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ide: set hwif->expiry prior to calling [__]ide_set_handler()

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* Set hwif->expiry prior to calling [__]ide_set_handler()
  and drop 'expiry' argument.

* Set hwif->expiry to NULL in ide_{timer_expiry,intr}()
  and remove 'hwif->expiry = NULL' assignments.

There should be no functional changes caused by this patch.

Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2009-03-27 12:46:46 +01:00
parent b788ee9c65
commit 60c0cd02b2
7 changed files with 24 additions and 21 deletions
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6
drivers/ide/ide-atapi.c
View File

@ -483,7 +483,7 @@ static ide_startstop_t ide_pc_intr(ide_drive_t *drive)
rq->cmd[0], bcount);
next_irq:
/* And set the interrupt handler again */
ide_set_handler(drive, ide_pc_intr, timeout, NULL);
ide_set_handler(drive, ide_pc_intr, timeout);
return ide_started;
}
@ -602,11 +602,13 @@ static ide_startstop_t ide_transfer_pc(ide_drive_t *drive)
}
}
hwif->expiry = expiry;
/* Set the interrupt routine */
ide_set_handler(drive,
(dev_is_idecd(drive) ? drive->irq_handler
: ide_pc_intr),
timeout, expiry);
timeout);
/* Begin DMA, if necessary */
if (dev_is_idecd(drive)) {

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

@ -959,7 +959,8 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive)
expiry = ide_cd_expiry;
}
ide_set_handler(drive, cdrom_newpc_intr, timeout, expiry);
hwif->expiry = expiry;
ide_set_handler(drive, cdrom_newpc_intr, timeout);
return ide_started;
end_request:

9
drivers/ide/ide-eh.c
View File

@ -175,8 +175,7 @@ static ide_startstop_t atapi_reset_pollfunc(ide_drive_t *drive)
printk(KERN_INFO "%s: ATAPI reset complete\n", drive->name);
else {
if (time_before(jiffies, hwif->poll_timeout)) {
ide_set_handler(drive, &atapi_reset_pollfunc, HZ/20,
NULL);
ide_set_handler(drive, &atapi_reset_pollfunc, HZ/20);
/* continue polling */
return ide_started;
}
@ -238,7 +237,7 @@ static ide_startstop_t reset_pollfunc(ide_drive_t *drive)
if (!OK_STAT(tmp, 0, ATA_BUSY)) {
if (time_before(jiffies, hwif->poll_timeout)) {
ide_set_handler(drive, &reset_pollfunc, HZ/20, NULL);
ide_set_handler(drive, &reset_pollfunc, HZ/20);
/* continue polling */
return ide_started;
}
@ -355,7 +354,7 @@ static ide_startstop_t do_reset1(ide_drive_t *drive, int do_not_try_atapi)
ndelay(400);
hwif->poll_timeout = jiffies + WAIT_WORSTCASE;
hwif->polling = 1;
__ide_set_handler(drive, &atapi_reset_pollfunc, HZ/20, NULL);
__ide_set_handler(drive, &atapi_reset_pollfunc, HZ/20);
spin_unlock_irqrestore(&hwif->lock, flags);
return ide_started;
}
@ -415,7 +414,7 @@ static ide_startstop_t do_reset1(ide_drive_t *drive, int do_not_try_atapi)
udelay(10);
hwif->poll_timeout = jiffies + WAIT_WORSTCASE;
hwif->polling = 1;
__ide_set_handler(drive, &reset_pollfunc, HZ/20, NULL);
__ide_set_handler(drive, &reset_pollfunc, HZ/20);
/*
* Some weird controller like resetting themselves to a strange

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

@ -651,6 +651,7 @@ void ide_timer_expiry (unsigned long data)
}
}
hwif->handler = NULL;
hwif->expiry = NULL;
/*
* We need to simulate a real interrupt when invoking
* the handler() function, which means we need to
@ -830,6 +831,7 @@ irqreturn_t ide_intr (int irq, void *dev_id)
goto out;
hwif->handler = NULL;
hwif->expiry = NULL;
hwif->req_gen++;
del_timer(&hwif->timer);
spin_unlock(&hwif->lock);

11
drivers/ide/ide-iops.c
View File

@ -425,26 +425,25 @@ int ide_config_drive_speed(ide_drive_t *drive, u8 speed)
* See also ide_execute_command
*/
void __ide_set_handler(ide_drive_t *drive, ide_handler_t *handler,
unsigned int timeout, ide_expiry_t *expiry)
unsigned int timeout)
{
ide_hwif_t *hwif = drive->hwif;
BUG_ON(hwif->handler);
hwif->handler = handler;
hwif->expiry = expiry;
hwif->timer.expires = jiffies + timeout;
hwif->req_gen_timer = hwif->req_gen;
add_timer(&hwif->timer);
}
void ide_set_handler(ide_drive_t *drive, ide_handler_t *handler,
unsigned int timeout, ide_expiry_t *expiry)
unsigned int timeout)
{
ide_hwif_t *hwif = drive->hwif;
unsigned long flags;
spin_lock_irqsave(&hwif->lock, flags);
__ide_set_handler(drive, handler, timeout, expiry);
__ide_set_handler(drive, handler, timeout);
spin_unlock_irqrestore(&hwif->lock, flags);
}
EXPORT_SYMBOL(ide_set_handler);
@ -469,8 +468,10 @@ void ide_execute_command(ide_drive_t *drive, u8 cmd, ide_handler_t *handler,
ide_hwif_t *hwif = drive->hwif;
unsigned long flags;
hwif->expiry = expiry;
spin_lock_irqsave(&hwif->lock, flags);
__ide_set_handler(drive, handler, timeout, expiry);
__ide_set_handler(drive, handler, timeout);
hwif->tp_ops->exec_command(hwif, cmd);
/*
* Drive takes 400nS to respond, we must avoid the IRQ being

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

@ -140,7 +140,7 @@ static ide_startstop_t task_no_data_intr(ide_drive_t *drive)
} else if (custom && tf->command == ATA_CMD_INIT_DEV_PARAMS) {
if ((stat & (ATA_ERR | ATA_DRQ)) == 0) {
ide_set_handler(drive, &task_no_data_intr,
WAIT_WORSTCASE, NULL);
WAIT_WORSTCASE);
return ide_started;
}
}
@ -347,7 +347,7 @@ static ide_startstop_t task_pio_intr(ide_drive_t *drive)
}
out_wait:
/* Still data left to transfer. */
ide_set_handler(drive, &task_pio_intr, WAIT_WORSTCASE, NULL);
ide_set_handler(drive, &task_pio_intr, WAIT_WORSTCASE);
return ide_started;
out_end:
if ((cmd->tf_flags & IDE_TFLAG_FS) == 0)
@ -377,7 +377,7 @@ static ide_startstop_t pre_task_out_intr(ide_drive_t *drive,
if ((drive->dev_flags & IDE_DFLAG_UNMASK) == 0)
local_irq_disable();
ide_set_handler(drive, &task_pio_intr, WAIT_WORSTCASE, NULL);
ide_set_handler(drive, &task_pio_intr, WAIT_WORSTCASE);
ide_pio_datablock(drive, cmd, 1);

6
include/linux/ide.h
View File

@ -1135,10 +1135,8 @@ unsigned int ide_rq_bytes(struct request *);
int ide_end_rq(ide_drive_t *, struct request *, int, unsigned int);
void ide_kill_rq(ide_drive_t *, struct request *);
void __ide_set_handler(ide_drive_t *, ide_handler_t *, unsigned int,
ide_expiry_t *);
void ide_set_handler(ide_drive_t *, ide_handler_t *, unsigned int,
ide_expiry_t *);
void __ide_set_handler(ide_drive_t *, ide_handler_t *, unsigned int);
void ide_set_handler(ide_drive_t *, ide_handler_t *, unsigned int);
void ide_execute_command(ide_drive_t *, u8, ide_handler_t *, unsigned int,
ide_expiry_t *);