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ide: turn set_irq() method into write_devctl() method 

Turn set_irq() method with its software reset hack into write_devctl() method
(for just writing a value into the device control register) at last...

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Sergei Shtylyov 2009-03-31 20:15:30 +02:00 committed by Bartlomiej Zolnierkiewicz
parent 4d74c3fcf2
commit ecf3a31d2a
19 changed files with 32 additions and 72 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/ide/at91_ide.c
View File

@ -295,7 +295,7 @@ static const struct ide_tp_ops at91_ide_tp_ops = {
.exec_command = ide_exec_command,
.read_status = ide_read_status,
.read_altstatus = ide_read_altstatus,
.set_irq = ide_set_irq,
.write_devctl = ide_write_devctl,
.tf_load = at91_ide_tf_load,
.tf_read = at91_ide_tf_read,

3
drivers/ide/au1xxx-ide.c
View File

@ -467,8 +467,7 @@ static const struct ide_tp_ops au1xxx_tp_ops = {
.exec_command = ide_exec_command,
.read_status = ide_read_status,
.read_altstatus = ide_read_altstatus,
.set_irq = ide_set_irq,
.write_devctl = ide_write_devctl,
.tf_load = ide_tf_load,
.tf_read = ide_tf_read,

3
drivers/ide/falconide.c
View File

@ -89,8 +89,7 @@ static const struct ide_tp_ops falconide_tp_ops = {
.exec_command = ide_exec_command,
.read_status = ide_read_status,
.read_altstatus = ide_read_altstatus,
.set_irq = ide_set_irq,
.write_devctl = ide_write_devctl,
.tf_load = ide_tf_load,
.tf_read = ide_tf_read,

7
drivers/ide/ide-eh.c
View File

@ -401,15 +401,14 @@ static ide_startstop_t do_reset1(ide_drive_t *drive, int do_not_try_atapi)
* immediate interrupt due to the edge transition it produces.
* This single interrupt gives us a "fast poll" for drives that
* recover from reset very quickly, saving us the first 50ms wait time.
*
* TODO: add ->softreset method and stop abusing ->set_irq
*/
/* set SRST and nIEN */
tp_ops->set_irq(hwif, 4);
tp_ops->write_devctl(hwif, ATA_SRST | ATA_NIEN | ATA_DEVCTL_OBS);
/* more than enough time */
udelay(10);
/* clear SRST, leave nIEN (unless device is on the quirk list) */
tp_ops->set_irq(hwif, drive->quirk_list == 2);
tp_ops->write_devctl(hwif, (drive->quirk_list == 2 ? 0 : ATA_NIEN) |
ATA_DEVCTL_OBS);
/* more than enough time */
udelay(10);
hwif->poll_timeout = jiffies + WAIT_WORSTCASE;

3
drivers/ide/ide-h8300.c
View File

@ -159,8 +159,7 @@ static const struct ide_tp_ops h8300_tp_ops = {
.exec_command = ide_exec_command,
.read_status = ide_read_status,
.read_altstatus = ide_read_altstatus,
.set_irq = ide_set_irq,
.write_devctl = ide_write_devctl,
.tf_load = h8300_tf_load,
.tf_read = h8300_tf_read,

16
drivers/ide/ide-io-std.c
View File

@ -64,23 +64,14 @@ u8 ide_read_altstatus(ide_hwif_t *hwif)
}
EXPORT_SYMBOL_GPL(ide_read_altstatus);
void ide_set_irq(ide_hwif_t *hwif, int on)
void ide_write_devctl(ide_hwif_t *hwif, u8 ctl)
{
u8 ctl = ATA_DEVCTL_OBS;
if (on == 4) { /* hack for SRST */
ctl |= 4;
on &= ~4;
}
ctl |= on ? 0 : 2;
if (hwif->host_flags & IDE_HFLAG_MMIO)
writeb(ctl, (void __iomem *)hwif->io_ports.ctl_addr);
else
outb(ctl, hwif->io_ports.ctl_addr);
}
EXPORT_SYMBOL_GPL(ide_set_irq);
EXPORT_SYMBOL_GPL(ide_write_devctl);
void ide_tf_load(ide_drive_t *drive, struct ide_cmd *cmd)
{
@ -312,8 +303,7 @@ const struct ide_tp_ops default_tp_ops = {
.exec_command = ide_exec_command,
.read_status = ide_read_status,
.read_altstatus = ide_read_altstatus,
.set_irq = ide_set_irq,
.write_devctl = ide_write_devctl,
.tf_load = ide_tf_load,
.tf_read = ide_tf_read,

4
drivers/ide/ide-io.c
View File

@ -494,7 +494,9 @@ repeat:
* quirk_list may not like intr setups/cleanups
*/
if (prev_port && prev_port->cur_dev->quirk_list == 0)
prev_port->tp_ops->set_irq(prev_port, 0);
prev_port->tp_ops->write_devctl(prev_port,
ATA_NIEN |
ATA_DEVCTL_OBS);
hwif->host->cur_port = hwif;
}

4
drivers/ide/ide-iops.c
View File

@ -360,7 +360,7 @@ int ide_config_drive_speed(ide_drive_t *drive, u8 speed)
SELECT_DRIVE(drive);
SELECT_MASK(drive, 1);
udelay(1);
tp_ops->set_irq(hwif, 0);
tp_ops->write_devctl(hwif, ATA_NIEN | ATA_DEVCTL_OBS);
memset(&cmd, 0, sizeof(cmd));
cmd.tf_flags = IDE_TFLAG_OUT_FEATURE | IDE_TFLAG_OUT_NSECT;
@ -372,7 +372,7 @@ int ide_config_drive_speed(ide_drive_t *drive, u8 speed)
tp_ops->exec_command(hwif, ATA_CMD_SET_FEATURES);
if (drive->quirk_list == 2)
tp_ops->set_irq(hwif, 1);
tp_ops->write_devctl(hwif, ATA_DEVCTL_OBS);
error = __ide_wait_stat(drive, drive->ready_stat,
ATA_BUSY | ATA_DRQ | ATA_ERR,

2
drivers/ide/ide-pm.c
View File

@ -233,7 +233,7 @@ void ide_check_pm_state(ide_drive_t *drive, struct request *rq)
if (rc)
printk(KERN_WARNING "%s: bus not ready on wakeup\n", drive->name);
SELECT_DRIVE(drive);
hwif->tp_ops->set_irq(hwif, 1);
hwif->tp_ops->write_devctl(hwif, ATA_DEVCTL_OBS);
rc = ide_wait_not_busy(hwif, 100000);
if (rc)
printk(KERN_WARNING "%s: drive not ready on wakeup\n", drive->name);

6
drivers/ide/ide-probe.c
View File

@ -260,7 +260,7 @@ int ide_dev_read_id(ide_drive_t *drive, u8 cmd, u16 *id)
* during the identify phase that the IRQ handler isn't expecting.
*/
if (io_ports->ctl_addr)
tp_ops->set_irq(hwif, 0);
tp_ops->write_devctl(hwif, ATA_NIEN | ATA_DEVCTL_OBS);
/* take a deep breath */
msleep(50);
@ -628,7 +628,7 @@ static int ide_port_wait_ready(ide_hwif_t *hwif)
if ((drive->dev_flags & IDE_DFLAG_NOPROBE) == 0 ||
(drive->dev_flags & IDE_DFLAG_PRESENT)) {
SELECT_DRIVE(drive);
hwif->tp_ops->set_irq(hwif, 1);
hwif->tp_ops->write_devctl(hwif, ATA_DEVCTL_OBS);
mdelay(2);
rc = ide_wait_not_busy(hwif, 35000);
if (rc)
@ -845,7 +845,7 @@ static int init_irq (ide_hwif_t *hwif)
irq_handler = ide_intr;
if (io_ports->ctl_addr)
hwif->tp_ops->set_irq(hwif, 1);
hwif->tp_ops->write_devctl(hwif, ATA_DEVCTL_OBS);
if (request_irq(hwif->irq, irq_handler, sa, hwif->name, hwif))
goto out_up;

2
drivers/ide/ide-taskfile.c
View File

@ -80,7 +80,7 @@ ide_startstop_t do_rw_taskfile(ide_drive_t *drive, struct ide_cmd *orig_cmd)
if ((cmd->tf_flags & IDE_TFLAG_DMA_PIO_FALLBACK) == 0) {
ide_tf_dump(drive->name, tf);
tp_ops->set_irq(hwif, 1);
tp_ops->write_devctl(hwif, ATA_DEVCTL_OBS);
SELECT_MASK(drive, 0);
tp_ops->tf_load(drive, cmd);
}

3
drivers/ide/ns87415.c
View File

@ -109,8 +109,7 @@ static const struct ide_tp_ops superio_tp_ops = {
.exec_command = ide_exec_command,
.read_status = superio_read_status,
.read_altstatus = ide_read_altstatus,
.set_irq = ide_set_irq,
.write_devctl = ide_write_devctl,
.tf_load = ide_tf_load,
.tf_read = superio_tf_read,

14
drivers/ide/pmac.c
View File

@ -476,17 +476,8 @@ static void pmac_exec_command(ide_hwif_t *hwif, u8 cmd)
+ IDE_TIMING_CONFIG));
}
static void pmac_set_irq(ide_hwif_t *hwif, int on)
static void pmac_write_devctl(ide_hwif_t *hwif, u8 ctl)
{
u8 ctl = ATA_DEVCTL_OBS;
if (on == 4) { /* hack for SRST */
ctl |= 4;
on &= ~4;
}
ctl |= on ? 0 : 2;
writeb(ctl, (void __iomem *)hwif->io_ports.ctl_addr);
(void)readl((void __iomem *)(hwif->io_ports.data_addr
+ IDE_TIMING_CONFIG));
@ -954,8 +945,7 @@ static const struct ide_tp_ops pmac_tp_ops = {
.exec_command = pmac_exec_command,
.read_status = ide_read_status,
.read_altstatus = ide_read_altstatus,
.set_irq = pmac_set_irq,
.write_devctl = pmac_write_devctl,
.tf_load = ide_tf_load,
.tf_read = ide_tf_read,

3
drivers/ide/q40ide.c
View File

@ -99,8 +99,7 @@ static const struct ide_tp_ops q40ide_tp_ops = {
.exec_command = ide_exec_command,
.read_status = ide_read_status,
.read_altstatus = ide_read_altstatus,
.set_irq = ide_set_irq,
.write_devctl = ide_write_devctl,
.tf_load = ide_tf_load,
.tf_read = ide_tf_read,

14
drivers/ide/scc_pata.c
View File

@ -148,17 +148,8 @@ static u8 scc_dma_sff_read_status(ide_hwif_t *hwif)
return (u8)in_be32((void *)(hwif->dma_base + 4));
}
static void scc_set_irq(ide_hwif_t *hwif, int on)
static void scc_write_devctl(ide_hwif_t *hwif, u8 ctl)
{
u8 ctl = ATA_DEVCTL_OBS;
if (on == 4) { /* hack for SRST */
ctl |= 4;
on &= ~4;
}
ctl |= on ? 0 : 2;
out_be32((void *)hwif->io_ports.ctl_addr, ctl);
eieio();
in_be32((void *)(hwif->dma_base + 0x01c));
@ -843,8 +834,7 @@ static const struct ide_tp_ops scc_tp_ops = {
.exec_command = scc_exec_command,
.read_status = scc_read_status,
.read_altstatus = scc_read_altstatus,
.set_irq = scc_set_irq,
.write_devctl = scc_write_devctl,
.tf_load = scc_tf_load,
.tf_read = scc_tf_read,

3
drivers/ide/sgiioc4.c
View File

@ -503,8 +503,7 @@ static const struct ide_tp_ops sgiioc4_tp_ops = {
.exec_command = ide_exec_command,
.read_status = sgiioc4_read_status,
.read_altstatus = ide_read_altstatus,
.set_irq = ide_set_irq,
.write_devctl = ide_write_devctl,
.tf_load = ide_tf_load,
.tf_read = ide_tf_read,

3
drivers/ide/tx4938ide.c
View File

@ -204,8 +204,7 @@ static const struct ide_tp_ops tx4938ide_tp_ops = {
.exec_command = ide_exec_command,
.read_status = ide_read_status,
.read_altstatus = ide_read_altstatus,
.set_irq = ide_set_irq,
.write_devctl = ide_write_devctl,
.tf_load = tx4938ide_tf_load,
.tf_read = tx4938ide_tf_read,

6
drivers/ide/tx4939ide.c
View File

@ -571,8 +571,7 @@ static const struct ide_tp_ops tx4939ide_tp_ops = {
.exec_command = ide_exec_command,
.read_status = ide_read_status,
.read_altstatus = ide_read_altstatus,
.set_irq = ide_set_irq,
.write_devctl = ide_write_devctl,
.tf_load = tx4939ide_tf_load,
.tf_read = tx4939ide_tf_read,
@ -595,8 +594,7 @@ static const struct ide_tp_ops tx4939ide_tp_ops = {
.exec_command = ide_exec_command,
.read_status = ide_read_status,
.read_altstatus = ide_read_altstatus,
.set_irq = ide_set_irq,
.write_devctl = ide_write_devctl,
.tf_load = tx4939ide_tf_load,
.tf_read = ide_tf_read,

6
include/linux/ide.h
View File

@ -655,8 +655,7 @@ struct ide_tp_ops {
void (*exec_command)(struct hwif_s *, u8);
u8 (*read_status)(struct hwif_s *);
u8 (*read_altstatus)(struct hwif_s *);
void (*set_irq)(struct hwif_s *, int);
void (*write_devctl)(struct hwif_s *, u8);
void (*tf_load)(ide_drive_t *, struct ide_cmd *);
void (*tf_read)(ide_drive_t *, struct ide_cmd *);
@ -1165,8 +1164,7 @@ void ide_tf_dump(const char *, struct ide_taskfile *);
void ide_exec_command(ide_hwif_t *, u8);
u8 ide_read_status(ide_hwif_t *);
u8 ide_read_altstatus(ide_hwif_t *);
void ide_set_irq(ide_hwif_t *, int);
void ide_write_devctl(ide_hwif_t *, u8);
void ide_tf_load(ide_drive_t *, struct ide_cmd *);
void ide_tf_read(ide_drive_t *, struct ide_cmd *);