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PCI: replace struct pci_bus secondary/subordinate with busn_res 

Replace the struct pci_bus secondary/subordinate members with the
struct resource busn_res.  Later we'll build a resource tree of these
bus numbers.

[bhelgaas: changelog]
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Yinghai Lu 2012-05-17 18:51:11 -07:00 committed by Bjorn Helgaas
parent 92f0243093
commit b918c62e08
31 changed files with 117 additions and 117 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/alpha/kernel/pci.c
View File

@ -359,7 +359,7 @@ common_init_pci(void)
hose, &resources);
hose->bus = bus;
hose->need_domain_info = need_domain_info;
next_busno = bus->subordinate + 1;
next_busno = bus->busn_res.end + 1;
/* Don't allow 8-bit bus number overflow inside the hose -
reserve some space for bridges. */
if (next_busno > 224) {

2
arch/arm/kernel/bios32.c
View File

@ -461,7 +461,7 @@ static void __init pcibios_init_hw(struct hw_pci *hw, struct list_head *head)
if (!sys->bus)
panic("PCI: unable to scan bus!");
busnr = sys->bus->subordinate + 1;
busnr = sys->bus->busn_res.end + 1;
list_add(&sys->node, head);
} else {

2
arch/ia64/pci/pci.c
View File

@ -384,7 +384,7 @@ pci_acpi_scan_root(struct acpi_pci_root *root)
return NULL;
}
pbus->subordinate = pci_scan_child_bus(pbus);
pbus->busn_res.end = pci_scan_child_bus(pbus);
return pbus;
out3:

4
arch/microblaze/pci/pci-common.c
View File

@ -1506,10 +1506,10 @@ static void __devinit pcibios_scan_phb(struct pci_controller *hose)
pci_free_resource_list(&resources);
return;
}
bus->secondary = hose->first_busno;
bus->busn_res.start = hose->first_busno;
hose->bus = bus;
hose->last_busno = bus->subordinate;
hose->last_busno = bus->busn_res.end;
}
static int __init pcibios_init(void)

2
arch/mips/pci/pci.c
View File

@ -102,7 +102,7 @@ static void __devinit pcibios_scanbus(struct pci_controller *hose)
need_domain_info = need_domain_info || hose->index;
hose->need_domain_info = need_domain_info;
if (bus) {
next_busno = bus->subordinate + 1;
next_busno = bus->busn_res.end + 1;
/* Don't allow 8-bit bus number overflow inside the hose -
reserve some space for bridges. */
if (next_busno > 224) {

6
arch/powerpc/kernel/pci-common.c
View File

@ -1646,7 +1646,7 @@ void __devinit pcibios_scan_phb(struct pci_controller *hose)
pci_free_resource_list(&resources);
return;
}
bus->secondary = hose->first_busno;
bus->busn_res.start = hose->first_busno;
hose->bus = bus;
/* Get probe mode and perform scan */
@ -1655,12 +1655,12 @@ void __devinit pcibios_scan_phb(struct pci_controller *hose)
mode = ppc_md.pci_probe_mode(bus);
pr_debug(" probe mode: %d\n", mode);
if (mode == PCI_PROBE_DEVTREE) {
bus->subordinate = hose->last_busno;
bus->busn_res.end = hose->last_busno;
of_scan_bus(node, bus);
}
if (mode == PCI_PROBE_NORMAL)
hose->last_busno = bus->subordinate = pci_scan_child_bus(bus);
hose->last_busno = bus->busn_res.end = pci_scan_child_bus(bus);
/* Platform gets a chance to do some global fixups before
* we proceed to resource allocation

2
arch/powerpc/kernel/pci_64.c
View File

@ -236,7 +236,7 @@ long sys_pciconfig_iobase(long which, unsigned long in_bus,
for (ln = pci_root_buses.next; ln != &pci_root_buses; ln = ln->next) {
bus = pci_bus_b(ln);
if (in_bus >= bus->number && in_bus <= bus->subordinate)
if (in_bus >= bus->number && in_bus <= bus->busn_res.end)
break;
bus = NULL;
}

2
arch/powerpc/kernel/pci_of_scan.c
View File

@ -240,7 +240,7 @@ void __devinit of_scan_pci_bridge(struct pci_dev *dev)
}
bus->primary = dev->bus->number;
bus->subordinate = busrange[1];
bus->busn_res.end = busrange[1];
bus->bridge_ctl = 0;
/* parse ranges property */

8
arch/powerpc/platforms/powernv/pci-ioda.c
View File

@ -589,7 +589,7 @@ static int __devinit pnv_ioda_configure_pe(struct pnv_phb *phb,
dcomp = OPAL_IGNORE_RID_DEVICE_NUMBER;
fcomp = OPAL_IGNORE_RID_FUNCTION_NUMBER;
parent = pe->pbus->self;
count = pe->pbus->subordinate - pe->pbus->secondary + 1;
count = pe->pbus->busn_res.end - pe->pbus->busn_res.start + 1;
switch(count) {
case 1: bcomp = OpalPciBusAll; break;
case 2: bcomp = OpalPciBus7Bits; break;
@ -816,11 +816,11 @@ static void __devinit pnv_ioda_setup_bus_PE(struct pci_dev *dev,
pe->pdev = NULL;
pe->tce32_seg = -1;
pe->mve_number = -1;
pe->rid = bus->secondary << 8;
pe->rid = bus->busn_res.start << 8;
pe->dma_weight = 0;
pe_info(pe, "Secondary busses %d..%d associated with PE\n",
bus->secondary, bus->subordinate);
pe_info(pe, "Secondary busses %pR associated with PE\n",
&bus->busn_res);
if (pnv_ioda_configure_pe(phb, pe)) {
/* XXX What do we do here ? */

2
arch/powerpc/platforms/pseries/pci_dlpar.c
View File

@ -121,7 +121,7 @@ void pcibios_add_pci_devices(struct pci_bus * bus)
if (!num)
return;
pcibios_setup_bus_devices(bus);
max = bus->secondary;
max = bus->busn_res.start;
for (pass=0; pass < 2; pass++)
list_for_each_entry(dev, &bus->devices, bus_list) {
if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE ||

2
arch/sh/drivers/pci/pci.c
View File

@ -59,7 +59,7 @@ static void __devinit pcibios_scanbus(struct pci_channel *hose)
need_domain_info = need_domain_info || hose->index;
hose->need_domain_info = need_domain_info;
if (bus) {
next_busno = bus->subordinate + 1;
next_busno = bus->busn_res.end + 1;
/* Don't allow 8-bit bus number overflow inside the hose -
reserve some space for bridges. */
if (next_busno > 224) {

6
arch/sparc/kernel/pci.c
View File

@ -535,7 +535,7 @@ static void __devinit of_scan_pci_bridge(struct pci_pbm_info *pbm,
}
bus->primary = dev->bus->number;
bus->subordinate = busrange[1];
bus->busn_res.end = busrange[1];
bus->bridge_ctl = 0;
/* parse ranges property, or cook one up by hand for Simba */
@ -693,8 +693,8 @@ struct pci_bus * __devinit pci_scan_one_pbm(struct pci_pbm_info *pbm,
pci_free_resource_list(&resources);
return NULL;
}
bus->secondary = pbm->pci_first_busno;
bus->subordinate = pbm->pci_last_busno;
bus->busn_res.start = pbm->pci_first_busno;
bus->busn_res.end = pbm->pci_last_busno;
pci_of_scan_bus(pbm, node, bus);
pci_bus_add_devices(bus);

4
arch/tile/kernel/pci.c
View File

@ -329,7 +329,7 @@ int __init pcibios_init(void)
*/
bus = pci_scan_bus(0, controller->ops, controller);
controller->root_bus = bus;
controller->last_busno = bus->subordinate;
controller->last_busno = bus->busn_res.end;
}
}
@ -366,7 +366,7 @@ int __init pcibios_init(void)
*/
if ((dev->class >> 8) == PCI_CLASS_BRIDGE_PCI &&
(PCI_SLOT(dev->devfn) == 0)) {
next_bus = dev->subordinate;
next_bus = dev->busn_res.end;
controllers[i].mem_resources[0] =
*next_bus->resource[0];
controllers[i].mem_resources[1] =

2
arch/x86/pci/acpi.c
View File

@ -440,7 +440,7 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_pci_root *root)
bus = pci_create_root_bus(NULL, busnum, &pci_root_ops, sd,
&resources);
if (bus) {
bus->subordinate = pci_scan_child_bus(bus);
bus->busn_res.end = pci_scan_child_bus(bus);
pci_set_host_bridge_release(
to_pci_host_bridge(bus->bridge),
release_pci_root_info, info);

2
arch/xtensa/kernel/pci.c
View File

@ -187,7 +187,7 @@ static int __init pcibios_init(void)
bus = pci_scan_root_bus(NULL, pci_ctrl->first_busno,
pci_ctrl->ops, pci_ctrl, &resources);
pci_ctrl->bus = bus;
pci_ctrl->last_busno = bus->subordinate;
pci_ctrl->last_busno = bus->busn_res.end;
if (next_busno <= pci_ctrl->last_busno)
next_busno = pci_ctrl->last_busno+1;
}

2
drivers/iommu/intel-iommu.c
View File

@ -661,7 +661,7 @@ static struct intel_iommu *device_to_iommu(int segment, u8 bus, u8 devfn)
if (drhd->devices[i] &&
drhd->devices[i]->subordinate &&
drhd->devices[i]->subordinate->number <= bus &&
drhd->devices[i]->subordinate->subordinate >= bus)
drhd->devices[i]->subordinate->busn_res.end >= bus)
return drhd->iommu;
}

4
drivers/net/ethernet/broadcom/tg3.c
View File

@ -14168,7 +14168,7 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
if (bridge->subordinate &&
(bridge->subordinate->number <=
tp->pdev->bus->number) &&
(bridge->subordinate->subordinate >=
(bridge->subordinate->busn_res.end >=
tp->pdev->bus->number)) {
tg3_flag_set(tp, 5701_DMA_BUG);
pci_dev_put(bridge);
@ -14196,7 +14196,7 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
if (bridge && bridge->subordinate &&
(bridge->subordinate->number <=
tp->pdev->bus->number) &&
(bridge->subordinate->subordinate >=
(bridge->subordinate->busn_res.end >=
tp->pdev->bus->number)) {
tg3_flag_set(tp, 40BIT_DMA_BUG);
pci_dev_put(bridge);

10
drivers/parisc/dino.c
View File

@ -174,7 +174,7 @@ static int dino_cfg_read(struct pci_bus *bus, unsigned int devfn, int where,
int size, u32 *val)
{
struct dino_device *d = DINO_DEV(parisc_walk_tree(bus->bridge));
u32 local_bus = (bus->parent == NULL) ? 0 : bus->secondary;
u32 local_bus = (bus->parent == NULL) ? 0 : bus->busn_res.start;
u32 v = DINO_CFG_TOK(local_bus, devfn, where & ~3);
void __iomem *base_addr = d->hba.base_addr;
unsigned long flags;
@ -209,7 +209,7 @@ static int dino_cfg_write(struct pci_bus *bus, unsigned int devfn, int where,
int size, u32 val)
{
struct dino_device *d = DINO_DEV(parisc_walk_tree(bus->bridge));
u32 local_bus = (bus->parent == NULL) ? 0 : bus->secondary;
u32 local_bus = (bus->parent == NULL) ? 0 : bus->busn_res.start;
u32 v = DINO_CFG_TOK(local_bus, devfn, where & ~3);
void __iomem *base_addr = d->hba.base_addr;
unsigned long flags;
@ -554,7 +554,7 @@ dino_fixup_bus(struct pci_bus *bus)
struct dino_device *dino_dev = DINO_DEV(parisc_walk_tree(bus->bridge));
DBG(KERN_WARNING "%s(0x%p) bus %d platform_data 0x%p\n",
__func__, bus, bus->secondary,
__func__, bus, bus->busn_res.start,
bus->bridge->platform_data);
/* Firmware doesn't set up card-mode dino, so we have to */
@ -998,12 +998,12 @@ static int __init dino_probe(struct parisc_device *dev)
return 0;
}
bus->subordinate = pci_scan_child_bus(bus);
bus->busn_res.end = pci_scan_child_bus(bus);
/* This code *depends* on scanning being single threaded
* if it isn't, this global bus number count will fail
*/
dino_current_bus = bus->subordinate + 1;
dino_current_bus = bus->busn_res.end + 1;
pci_bus_assign_resources(bus);
pci_bus_add_devices(bus);
return 0;

2
drivers/parisc/iosapic.c
View File

@ -532,7 +532,7 @@ iosapic_xlate_pin(struct iosapic_info *isi, struct pci_dev *pcidev)
intr_slot = PCI_SLOT(pcidev->devfn);
}
DBG_IRT("iosapic_xlate_pin: bus %d slot %d pin %d\n",
pcidev->bus->secondary, intr_slot, intr_pin);
pcidev->bus->busn_res.start, intr_slot, intr_pin);
return irt_find_irqline(isi, intr_slot, intr_pin);
}

22
drivers/parisc/lba_pci.c
View File

@ -189,8 +189,8 @@ lba_dump_res(struct resource *r, int d)
static int lba_device_present(u8 bus, u8 dfn, struct lba_device *d)
{
u8 first_bus = d->hba.hba_bus->secondary;
u8 last_sub_bus = d->hba.hba_bus->subordinate;
u8 first_bus = d->hba.hba_bus->busn_res.start;
u8 last_sub_bus = d->hba.hba_bus->busn_res.end;
if ((bus < first_bus) ||
(bus > last_sub_bus) ||
@ -364,7 +364,7 @@ lba_rd_cfg(struct lba_device *d, u32 tok, u8 reg, u32 size)
static int elroy_cfg_read(struct pci_bus *bus, unsigned int devfn, int pos, int size, u32 *data)
{
struct lba_device *d = LBA_DEV(parisc_walk_tree(bus->bridge));
u32 local_bus = (bus->parent == NULL) ? 0 : bus->secondary;
u32 local_bus = (bus->parent == NULL) ? 0 : bus->busn_res.start;
u32 tok = LBA_CFG_TOK(local_bus, devfn);
void __iomem *data_reg = d->hba.base_addr + LBA_PCI_CFG_DATA;
@ -380,7 +380,7 @@ static int elroy_cfg_read(struct pci_bus *bus, unsigned int devfn, int pos, int
return 0;
}
if (LBA_SKIP_PROBE(d) && !lba_device_present(bus->secondary, devfn, d)) {
if (LBA_SKIP_PROBE(d) && !lba_device_present(bus->busn_res.start, devfn, d)) {
DBG_CFG("%s(%x+%2x) -> -1 (b)\n", __func__, tok, pos);
/* either don't want to look or know device isn't present. */
*data = ~0U;
@ -431,7 +431,7 @@ lba_wr_cfg(struct lba_device *d, u32 tok, u8 reg, u32 data, u32 size)
static int elroy_cfg_write(struct pci_bus *bus, unsigned int devfn, int pos, int size, u32 data)
{
struct lba_device *d = LBA_DEV(parisc_walk_tree(bus->bridge));
u32 local_bus = (bus->parent == NULL) ? 0 : bus->secondary;
u32 local_bus = (bus->parent == NULL) ? 0 : bus->busn_res.start;
u32 tok = LBA_CFG_TOK(local_bus,devfn);
if ((pos > 255) || (devfn > 255))
@ -444,7 +444,7 @@ static int elroy_cfg_write(struct pci_bus *bus, unsigned int devfn, int pos, int
return 0;
}
if (LBA_SKIP_PROBE(d) && (!lba_device_present(bus->secondary, devfn, d))) {
if (LBA_SKIP_PROBE(d) && (!lba_device_present(bus->busn_res.start, devfn, d))) {
DBG_CFG("%s(%x+%2x) = 0x%x (b)\n", __func__, tok, pos,data);
return 1; /* New Workaround */
}
@ -481,7 +481,7 @@ static struct pci_ops elroy_cfg_ops = {
static int mercury_cfg_read(struct pci_bus *bus, unsigned int devfn, int pos, int size, u32 *data)
{
struct lba_device *d = LBA_DEV(parisc_walk_tree(bus->bridge));
u32 local_bus = (bus->parent == NULL) ? 0 : bus->secondary;
u32 local_bus = (bus->parent == NULL) ? 0 : bus->busn_res.start;
u32 tok = LBA_CFG_TOK(local_bus, devfn);
void __iomem *data_reg = d->hba.base_addr + LBA_PCI_CFG_DATA;
@ -514,7 +514,7 @@ static int mercury_cfg_write(struct pci_bus *bus, unsigned int devfn, int pos, i
{
struct lba_device *d = LBA_DEV(parisc_walk_tree(bus->bridge));
void __iomem *data_reg = d->hba.base_addr + LBA_PCI_CFG_DATA;
u32 local_bus = (bus->parent == NULL) ? 0 : bus->secondary;
u32 local_bus = (bus->parent == NULL) ? 0 : bus->busn_res.start;
u32 tok = LBA_CFG_TOK(local_bus,devfn);
if ((pos > 255) || (devfn > 255))
@ -636,7 +636,7 @@ lba_fixup_bus(struct pci_bus *bus)
struct lba_device *ldev = LBA_DEV(parisc_walk_tree(bus->bridge));
DBG("lba_fixup_bus(0x%p) bus %d platform_data 0x%p\n",
bus, bus->secondary, bus->bridge->platform_data);
bus, (int)bus->busn_res.start, bus->bridge->platform_data);
/*
** Properly Setup MMIO resources for this bus.
@ -1511,7 +1511,7 @@ lba_driver_probe(struct parisc_device *dev)
return 0;
}
lba_bus->subordinate = pci_scan_child_bus(lba_bus);
lba_bus->busn_res.end = pci_scan_child_bus(lba_bus);
/* This is in lieu of calling pci_assign_unassigned_resources() */
if (is_pdc_pat()) {
@ -1541,7 +1541,7 @@ lba_driver_probe(struct parisc_device *dev)
lba_dev->flags |= LBA_FLAG_SKIP_PROBE;
}
lba_next_bus = lba_bus->subordinate + 1;
lba_next_bus = lba_res->busn_res.end + 1;
pci_bus_add_devices(lba_bus);
/* Whew! Finally done! Tell services we got this one covered. */

8
drivers/pci/hotplug/acpiphp_glue.c
View File

@ -100,11 +100,11 @@ static int post_dock_fixups(struct notifier_block *nb, unsigned long val,
PCI_PRIMARY_BUS,
&buses);
if (((buses >> 8) & 0xff) != bus->secondary) {
if (((buses >> 8) & 0xff) != bus->busn_res.start) {
buses = (buses & 0xff000000)
| ((unsigned int)(bus->primary) << 0)
| ((unsigned int)(bus->secondary) << 8)
| ((unsigned int)(bus->subordinate) << 16);
| ((unsigned int)(bus->busn_res.start) << 8)
| ((unsigned int)(bus->busn_res.end) << 16);
pci_write_config_dword(bus->self, PCI_PRIMARY_BUS, buses);
}
return NOTIFY_OK;
@ -692,7 +692,7 @@ static unsigned char acpiphp_max_busnr(struct pci_bus *bus)
* bus->subordinate value because it could have
* padding in it.
*/
max = bus->secondary;
max = bus->busn_res.start;
list_for_each(tmp, &bus->children) {
n = pci_bus_max_busnr(pci_bus_b(tmp));

6
drivers/pci/hotplug/cpci_hotplug_pci.c
View File

@ -292,8 +292,8 @@ int __ref cpci_configure_slot(struct slot *slot)
(dev->hdr_type == PCI_HEADER_TYPE_CARDBUS)) {
/* Find an unused bus number for the new bridge */
struct pci_bus *child;
unsigned char busnr, start = parent->secondary;
unsigned char end = parent->subordinate;
unsigned char busnr, start = parent->busn_res.start;
unsigned char end = parent->busn_res.end;
for (busnr = start; busnr <= end; busnr++) {
if (!pci_find_bus(pci_domain_nr(parent),
@ -312,7 +312,7 @@ int __ref cpci_configure_slot(struct slot *slot)
pci_dev_put(dev);
continue;
}
child->subordinate = pci_do_scan_bus(child);
child->busn_res.end = pci_do_scan_bus(child);
pci_bus_size_bridges(child);
}
pci_dev_put(dev);

4
drivers/pci/hotplug/pciehp_pci.c
View File

@ -37,8 +37,8 @@
static int __ref pciehp_add_bridge(struct pci_dev *dev)
{
struct pci_bus *parent = dev->bus;
int pass, busnr, start = parent->secondary;
int end = parent->subordinate;
int pass, busnr, start = parent->busn_res.start;
int end = parent->busn_res.end;
for (busnr = start; busnr <= end; busnr++) {
if (!pci_find_bus(pci_domain_nr(parent), busnr))

6
drivers/pci/hotplug/shpchp_pci.c
View File

@ -64,8 +64,8 @@ int __ref shpchp_configure_device(struct slot *p_slot)
(dev->hdr_type == PCI_HEADER_TYPE_CARDBUS)) {
/* Find an unused bus number for the new bridge */
struct pci_bus *child;
unsigned char busnr, start = parent->secondary;
unsigned char end = parent->subordinate;
unsigned char busnr, start = parent->busn_res.start;
unsigned char end = parent->busn_res.end;
for (busnr = start; busnr <= end; busnr++) {
if (!pci_find_bus(pci_domain_nr(parent),
busnr))
@ -84,7 +84,7 @@ int __ref shpchp_configure_device(struct slot *p_slot)
pci_dev_put(dev);
continue;
}
child->subordinate = pci_do_scan_bus(child);
child->busn_res.end = pci_do_scan_bus(child);
pci_bus_size_bridges(child);
}
pci_configure_slot(dev);

6
drivers/pci/hotplug/shpchp_sysfs.c
View File

@ -73,13 +73,13 @@ static ssize_t show_ctrl (struct device *dev, struct device_attribute *attr, cha
}
}
out += sprintf(out, "Free resources: bus numbers\n");
for (busnr = bus->secondary; busnr <= bus->subordinate; busnr++) {
for (busnr = bus->busn_res.start; busnr <= bus->busn_res.end; busnr++) {
if (!pci_find_bus(pci_domain_nr(bus), busnr))
break;
}
if (busnr < bus->subordinate)
if (busnr < bus->busn_res.end)
out += sprintf(out, "start = %8.8x, length = %8.8x\n",
busnr, (bus->subordinate - busnr));
busnr, (int)(bus->busn_res.end - busnr));
return out - buf;
}

4
drivers/pci/iov.c
View File

@ -47,7 +47,7 @@ static struct pci_bus *virtfn_add_bus(struct pci_bus *bus, int busnr)
if (!child)
return NULL;
child->subordinate = busnr;
child->busn_res.end = busnr;
child->dev.parent = bus->bridge;
rc = pci_bus_add_child(child);
if (rc) {
@ -327,7 +327,7 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn)
iov->offset = offset;
iov->stride = stride;
if (virtfn_bus(dev, nr_virtfn - 1) > dev->bus->subordinate) {
if (virtfn_bus(dev, nr_virtfn - 1) > dev->bus->busn_res.end) {
dev_err(&dev->dev, "SR-IOV: bus number out of range\n");
return -ENOMEM;
}

2
drivers/pci/pci.c
View File

@ -110,7 +110,7 @@ unsigned char pci_bus_max_busnr(struct pci_bus* bus)
struct list_head *tmp;
unsigned char max, n;
max = bus->subordinate;
max = bus->busn_res.end;
list_for_each(tmp, &bus->children) {
n = pci_bus_max_busnr(pci_bus_b(tmp));
if(n > max)

58
drivers/pci/probe.c
View File

@ -381,8 +381,8 @@ void __devinit pci_read_bridge_bases(struct pci_bus *child)
if (pci_is_root_bus(child)) /* It's a host bus, nothing to read */
return;
dev_info(&dev->dev, "PCI bridge to [bus %02x-%02x]%s\n",
child->secondary, child->subordinate,
dev_info(&dev->dev, "PCI bridge to %pR%s\n",
&child->busn_res,
dev->transparent ? " (subtractive decode)" : "");
pci_bus_remove_resources(child);
@ -599,9 +599,9 @@ static struct pci_bus *pci_alloc_child_bus(struct pci_bus *parent,
* Set up the primary, secondary and subordinate
* bus numbers.
*/
child->number = child->secondary = busnr;
child->primary = parent->secondary;
child->subordinate = 0xff;
child->number = child->busn_res.start = busnr;
child->primary = parent->busn_res.start;
child->busn_res.end = 0xff;
if (!bridge)
return child;
@ -643,8 +643,8 @@ static void pci_fixup_parent_subordinate_busnr(struct pci_bus *child, int max)
if (!pcibios_assign_all_busses())
return;
while (parent->parent && parent->subordinate < max) {
parent->subordinate = max;
while (parent->parent && parent->busn_res.end < max) {
parent->busn_res.end = max;
pci_write_config_byte(parent->self, PCI_SUBORDINATE_BUS, max);
parent = parent->parent;
}
@ -718,15 +718,15 @@ int __devinit pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max,
if (!child)
goto out;
child->primary = primary;
child->subordinate = subordinate;
child->busn_res.end = subordinate;
child->bridge_ctl = bctl;
}
cmax = pci_scan_child_bus(child);
if (cmax > max)
max = cmax;
if (child->subordinate > max)
max = child->subordinate;
if (child->busn_res.end > max)
max = child->busn_res.end;
} else {
/*
* We need to assign a number to this bus which we always
@ -759,8 +759,8 @@ int __devinit pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max,
}
buses = (buses & 0xff000000)
| ((unsigned int)(child->primary) << 0)
| ((unsigned int)(child->secondary) << 8)
| ((unsigned int)(child->subordinate) << 16);
| ((unsigned int)(child->busn_res.start) << 8)
| ((unsigned int)(child->busn_res.end) << 16);
/*
* yenta.c forces a secondary latency timer of 176.
@ -805,8 +805,8 @@ int __devinit pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max,
break;
while (parent->parent) {
if ((!pcibios_assign_all_busses()) &&
(parent->subordinate > max) &&
(parent->subordinate <= max+i)) {
(parent->busn_res.end > max) &&
(parent->busn_res.end <= max+i)) {
j = 1;
}
parent = parent->parent;
@ -827,7 +827,7 @@ int __devinit pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max,
/*
* Set the subordinate bus number to its real value.
*/
child->subordinate = max;
child->busn_res.end = max;
pci_write_config_byte(dev, PCI_SUBORDINATE_BUS, max);
}
@ -837,19 +837,19 @@ int __devinit pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max,
/* Has only triggered on CardBus, fixup is in yenta_socket */
while (bus->parent) {
if ((child->subordinate > bus->subordinate) ||
(child->number > bus->subordinate) ||
if ((child->busn_res.end > bus->busn_res.end) ||
(child->number > bus->busn_res.end) ||
(child->number < bus->number) ||
(child->subordinate < bus->number)) {
dev_info(&child->dev, "[bus %02x-%02x] %s "
"hidden behind%s bridge %s [bus %02x-%02x]\n",
child->number, child->subordinate,
(bus->number > child->subordinate &&
bus->subordinate < child->number) ?
(child->busn_res.end < bus->number)) {
dev_info(&child->dev, "%pR %s "
"hidden behind%s bridge %s %pR\n",
&child->busn_res,
(bus->number > child->busn_res.end &&
bus->busn_res.end < child->number) ?
"wholly" : "partially",
bus->self->transparent ? " transparent" : "",
dev_name(&bus->dev),
bus->number, bus->subordinate);
&bus->busn_res);
}
bus = bus->parent;
}
@ -1548,7 +1548,7 @@ EXPORT_SYMBOL_GPL(pcie_bus_configure_settings);
unsigned int __devinit pci_scan_child_bus(struct pci_bus *bus)
{
unsigned int devfn, pass, max = bus->secondary;
unsigned int devfn, pass, max = bus->busn_res.start;
struct pci_dev *dev;
dev_dbg(&bus->dev, "scanning bus\n");
@ -1642,7 +1642,7 @@ struct pci_bus *pci_create_root_bus(struct device *parent, int bus,
/* Create legacy_io and legacy_mem files for this bus */
pci_create_legacy_files(b);
b->number = b->secondary = bus;
b->number = b->busn_res.start = bus;
if (parent)
dev_info(parent, "PCI host bridge to bus %s\n", dev_name(&b->dev));
@ -1693,7 +1693,7 @@ struct pci_bus * __devinit pci_scan_root_bus(struct device *parent, int bus,
if (!b)
return NULL;
b->subordinate = pci_scan_child_bus(b);
b->busn_res.end = pci_scan_child_bus(b);
pci_bus_add_devices(b);
return b;
}
@ -1710,7 +1710,7 @@ struct pci_bus * __devinit pci_scan_bus_parented(struct device *parent,
pci_add_resource(&resources, &iomem_resource);
b = pci_create_root_bus(parent, bus, ops, sysdata, &resources);
if (b)
b->subordinate = pci_scan_child_bus(b);
b->busn_res.end = pci_scan_child_bus(b);
else
pci_free_resource_list(&resources);
return b;
@ -1727,7 +1727,7 @@ struct pci_bus * __devinit pci_scan_bus(int bus, struct pci_ops *ops,
pci_add_resource(&resources, &iomem_resource);
b = pci_create_root_bus(NULL, bus, ops, sysdata, &resources);
if (b) {
b->subordinate = pci_scan_child_bus(b);
b->busn_res.end = pci_scan_child_bus(b);
pci_bus_add_devices(b);
} else {
pci_free_resource_list(&resources);

24
drivers/pci/setup-bus.c
View File

@ -404,8 +404,8 @@ void pci_setup_cardbus(struct pci_bus *bus)
struct resource *res;
struct pci_bus_region region;
dev_info(&bridge->dev, "CardBus bridge to [bus %02x-%02x]\n",
bus->secondary, bus->subordinate);
dev_info(&bridge->dev, "CardBus bridge to %pR\n",
&bus->busn_res);
res = bus->resource[0];
pcibios_resource_to_bus(bridge, &region, res);
@ -553,8 +553,8 @@ static void __pci_setup_bridge(struct pci_bus *bus, unsigned long type)
{
struct pci_dev *bridge = bus->self;
dev_info(&bridge->dev, "PCI bridge to [bus %02x-%02x]\n",
bus->secondary, bus->subordinate);
dev_info(&bridge->dev, "PCI bridge to %pR\n",
&bus->busn_res);
if (type & IORESOURCE_IO)
pci_setup_bridge_io(bus);
@ -745,8 +745,8 @@ static void pbus_size_io(struct pci_bus *bus, resource_size_t min_size,
if (!size0 && !size1) {
if (b_res->start || b_res->end)
dev_info(&bus->self->dev, "disabling bridge window "
"%pR to [bus %02x-%02x] (unused)\n", b_res,
bus->secondary, bus->subordinate);
"%pR to %pR (unused)\n", b_res,
&bus->busn_res);
b_res->flags = 0;
return;
}
@ -757,8 +757,8 @@ static void pbus_size_io(struct pci_bus *bus, resource_size_t min_size,
if (size1 > size0 && realloc_head) {
add_to_list(realloc_head, bus->self, b_res, size1-size0, 4096);
dev_printk(KERN_DEBUG, &bus->self->dev, "bridge window "
"%pR to [bus %02x-%02x] add_size %lx\n", b_res,
bus->secondary, bus->subordinate, size1-size0);
"%pR to %pR add_size %lx\n", b_res,
&bus->busn_res, size1-size0);
}
}
@ -863,8 +863,8 @@ static int pbus_size_mem(struct pci_bus *bus, unsigned long mask,
if (!size0 && !size1) {
if (b_res->start || b_res->end)
dev_info(&bus->self->dev, "disabling bridge window "
"%pR to [bus %02x-%02x] (unused)\n", b_res,
bus->secondary, bus->subordinate);
"%pR to %pR (unused)\n", b_res,
&bus->busn_res);
b_res->flags = 0;
return 1;
}
@ -874,8 +874,8 @@ static int pbus_size_mem(struct pci_bus *bus, unsigned long mask,
if (size1 > size0 && realloc_head) {
add_to_list(realloc_head, bus->self, b_res, size1-size0, min_align);
dev_printk(KERN_DEBUG, &bus->self->dev, "bridge window "
"%pR to [bus %02x-%02x] add_size %llx\n", b_res,
bus->secondary, bus->subordinate, (unsigned long long)size1-size0);
"%pR to %pR add_size %llx\n", b_res,
&bus->busn_res, (unsigned long long)size1-size0);
}
return 1;
}

2
drivers/pcmcia/cardbus.c
View File

@ -73,7 +73,7 @@ int __ref cb_alloc(struct pcmcia_socket *s)
s->functions = pci_scan_slot(bus, PCI_DEVFN(0, 0));
pci_fixup_cardbus(bus);
max = bus->secondary;
max = bus->busn_res.start;
for (pass = 0; pass < 2; pass++)
list_for_each_entry(dev, &bus->devices, bus_list)
if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE ||

26
drivers/pcmcia/yenta_socket.c
View File

@ -1048,8 +1048,8 @@ static void yenta_config_init(struct yenta_socket *socket)
config_writeb(socket, PCI_LATENCY_TIMER, 168);
config_writel(socket, PCI_PRIMARY_BUS,
(176 << 24) | /* sec. latency timer */
(dev->subordinate->subordinate << 16) | /* subordinate bus */
(dev->subordinate->secondary << 8) | /* secondary bus */
((unsigned int)dev->subordinate->busn_res.end << 16) | /* subordinate bus */
((unsigned int)dev->subordinate->busn_res.start << 8) | /* secondary bus */
dev->subordinate->primary); /* primary bus */
/*
@ -1086,14 +1086,14 @@ static void yenta_fixup_parent_bridge(struct pci_bus *cardbus_bridge)
struct pci_bus *bridge_to_fix = cardbus_bridge->parent;
/* Check bus numbers are already set up correctly: */
if (bridge_to_fix->subordinate >= cardbus_bridge->subordinate)
if (bridge_to_fix->busn_res.end >= cardbus_bridge->busn_res.end)
return; /* The subordinate number is ok, nothing to do */
if (!bridge_to_fix->parent)
return; /* Root bridges are ok */
/* stay within the limits of the bus range of the parent: */
upper_limit = bridge_to_fix->parent->subordinate;
upper_limit = bridge_to_fix->parent->busn_res.end;
/* check the bus ranges of all silbling bridges to prevent overlap */
list_for_each(tmp, &bridge_to_fix->parent->children) {
@ -1104,36 +1104,36 @@ static void yenta_fixup_parent_bridge(struct pci_bus *cardbus_bridge)
* current upper limit, set the new upper limit to
* the bus number below the silbling's range:
*/
if (silbling->secondary > bridge_to_fix->subordinate
&& silbling->secondary <= upper_limit)
upper_limit = silbling->secondary - 1;
if (silbling->busn_res.start > bridge_to_fix->busn_res.end
&& silbling->busn_res.start <= upper_limit)
upper_limit = silbling->busn_res.start - 1;
}
/* Show that the wanted subordinate number is not possible: */
if (cardbus_bridge->subordinate > upper_limit)
if (cardbus_bridge->busn_res.end > upper_limit)
dev_printk(KERN_WARNING, &cardbus_bridge->dev,
"Upper limit for fixing this "
"bridge's parent bridge: #%02x\n", upper_limit);
/* If we have room to increase the bridge's subordinate number, */
if (bridge_to_fix->subordinate < upper_limit) {
if (bridge_to_fix->busn_res.end < upper_limit) {
/* use the highest number of the hidden bus, within limits */
unsigned char subordinate_to_assign =
min(cardbus_bridge->subordinate, upper_limit);
min_t(int, cardbus_bridge->busn_res.end, upper_limit);
dev_printk(KERN_INFO, &bridge_to_fix->dev,
"Raising subordinate bus# of parent "
"bus (#%02x) from #%02x to #%02x\n",
bridge_to_fix->number,
bridge_to_fix->subordinate, subordinate_to_assign);
(int)bridge_to_fix->busn_res.end, subordinate_to_assign);
/* Save the new subordinate in the bus struct of the bridge */
bridge_to_fix->subordinate = subordinate_to_assign;
bridge_to_fix->busn_res.end = subordinate_to_assign;
/* and update the PCI config space with the new subordinate */
pci_write_config_byte(bridge_to_fix->self,
PCI_SUBORDINATE_BUS, bridge_to_fix->subordinate);
PCI_SUBORDINATE_BUS, bridge_to_fix->busn_res.end);
}
}