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ide: use ->data_phase to set ->handler in do_rw_taskfile() 

* Use ->data_phase to set ->handler in do_rw_taskfile() instead of
  setting ->handler in callers of ide_raw_taskfile()/do_rw_taskfile().

* Unexport task_no_data_intr() and make it static.

There should be no functionality 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 2008-01-25 22:17:16 +01:00
parent 10d90157c8
commit 1192e528e0
4 changed files with 10 additions and 10 deletions
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2
drivers/ide/ide-disk.c
View File

@ -518,7 +518,6 @@ static int get_smart_data(ide_drive_t *drive, u8 *buf, u8 sub_cmd)
tf->command = WIN_SMART;
args.tf_flags = IDE_TFLAG_OUT_TF | IDE_TFLAG_OUT_DEVICE;
args.data_phase = TASKFILE_IN;
args.handler = task_in_intr;
(void) smart_enable(drive);
return ide_raw_taskfile(drive, &args, buf, 1);
}
@ -608,7 +607,6 @@ static void idedisk_prepare_flush(struct request_queue *q, struct request *rq)
task.tf.command = WIN_FLUSH_CACHE;
task.tf_flags = IDE_TFLAG_OUT_TF | IDE_TFLAG_OUT_DEVICE;
task.data_phase = TASKFILE_NO_DATA;
task.handler = task_no_data_intr;
rq->cmd_type = REQ_TYPE_ATA_TASKFILE;
rq->cmd_flags |= REQ_SOFTBARRIER;

1
drivers/ide/ide-io.c
View File

@ -234,7 +234,6 @@ static ide_startstop_t ide_start_power_step(ide_drive_t *drive, struct request *
out_do_tf:
args->tf_flags = IDE_TFLAG_OUT_TF | IDE_TFLAG_OUT_DEVICE;
args->data_phase = TASKFILE_NO_DATA;
args->handler = task_no_data_intr;
return do_rw_taskfile(drive, args);
}

16
drivers/ide/ide-taskfile.c
View File

@ -128,7 +128,6 @@ int taskfile_lib_get_identify (ide_drive_t *drive, u8 *buf)
args.tf.command = WIN_PIDENTIFY;
args.tf_flags = IDE_TFLAG_OUT_TF | IDE_TFLAG_OUT_DEVICE;
args.data_phase = TASKFILE_IN;
args.handler = task_in_intr;
return ide_raw_taskfile(drive, &args, buf, 1);
}
@ -151,6 +150,9 @@ static int inline task_dma_ok(ide_task_t *task)
return 0;
}
static ide_startstop_t task_no_data_intr(ide_drive_t *);
static ide_startstop_t task_out_intr(ide_drive_t *);
ide_startstop_t do_rw_taskfile (ide_drive_t *drive, ide_task_t *task)
{
ide_hwif_t *hwif = HWIF(drive);
@ -173,12 +175,18 @@ ide_startstop_t do_rw_taskfile (ide_drive_t *drive, ide_task_t *task)
switch (task->data_phase) {
case TASKFILE_MULTI_OUT:
case TASKFILE_OUT:
task->handler = task_out_intr;
hwif->OUTBSYNC(drive, tf->command, IDE_COMMAND_REG);
ndelay(400); /* FIXME */
return pre_task_out_intr(drive, task->rq);
case TASKFILE_MULTI_IN:
case TASKFILE_IN:
task->handler = task_in_intr;
/* fall-through */
case TASKFILE_NO_DATA:
/* WIN_{SPECIFY,RESTORE,SETMULT} use custom handlers */
if (task->handler == NULL)
task->handler = task_no_data_intr;
ide_execute_command(drive, tf->command, task->handler, WAIT_WORSTCASE, NULL);
return ide_started;
default:
@ -248,7 +256,7 @@ ide_startstop_t recal_intr (ide_drive_t *drive)
/*
* Handler for commands without a data phase
*/
ide_startstop_t task_no_data_intr (ide_drive_t *drive)
static ide_startstop_t task_no_data_intr(ide_drive_t *drive)
{
ide_task_t *args = HWGROUP(drive)->rq->special;
ide_hwif_t *hwif = HWIF(drive);
@ -544,7 +552,6 @@ EXPORT_SYMBOL(ide_raw_taskfile);
int ide_no_data_taskfile(ide_drive_t *drive, ide_task_t *task)
{
task->data_phase = TASKFILE_NO_DATA;
task->handler = task_no_data_intr;
return ide_raw_taskfile(drive, task, NULL, 0);
}
@ -667,7 +674,6 @@ int ide_taskfile_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg)
}
/* fall through */
case TASKFILE_OUT:
args.handler = &task_out_intr;
/* fall through */
case TASKFILE_OUT_DMAQ:
case TASKFILE_OUT_DMA:
@ -685,7 +691,6 @@ int ide_taskfile_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg)
}
/* fall through */
case TASKFILE_IN:
args.handler = &task_in_intr;
/* fall through */
case TASKFILE_IN_DMAQ:
case TASKFILE_IN_DMA:
@ -693,7 +698,6 @@ int ide_taskfile_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg)
data_buf = inbuf;
break;
case TASKFILE_NO_DATA:
args.handler = &task_no_data_intr;
break;
default:
err = -EFAULT;

1
include/linux/ide.h
View File

@ -973,7 +973,6 @@ extern ide_startstop_t do_rw_taskfile(ide_drive_t *, ide_task_t *);
extern ide_startstop_t set_multmode_intr(ide_drive_t *);
extern ide_startstop_t set_geometry_intr(ide_drive_t *);
extern ide_startstop_t recal_intr(ide_drive_t *);
extern ide_startstop_t task_no_data_intr(ide_drive_t *);
extern ide_startstop_t task_in_intr(ide_drive_t *);
extern ide_startstop_t pre_task_out_intr(ide_drive_t *, struct request *);