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ide: add pointer to the current packet command to ide_drive_t

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* Add pointer to the current packet command (struct ide_atapi_pc *pc)
  to ide_drive_t and use it instead of the pointer in struct ide_*_obj.

* Use drive->pc in ide_{issue,transfer}_pc() and ide_pc_intr()
  instead of 'pc' argument.

There should be no functional changes caused by this patch.

Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz
2008-10-13 21:39:31 +02:00
parent b14c72127f
commit 2b9efba482
6 changed files with 60 additions and 70 deletions
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9
drivers/ide/ide-atapi.c
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@@ -204,12 +204,13 @@ int ide_set_media_lock(ide_drive_t *drive, struct gendisk *disk, int on)
EXPORT_SYMBOL_GPL(ide_set_media_lock);
/* TODO: unify the code thus making some arguments go away */
ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc,
ide_startstop_t ide_pc_intr(ide_drive_t *drive,
ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry,
void (*update_buffers)(ide_drive_t *, struct ide_atapi_pc *),
void (*retry_pc)(ide_drive_t *),
int (*io_buffers)(ide_drive_t *, struct ide_atapi_pc *, unsigned, int))
{
struct ide_atapi_pc *pc = drive->pc;
ide_hwif_t *hwif = drive->hwif;
struct request *rq = hwif->hwgroup->rq;
const struct ide_tp_ops *tp_ops = hwif->tp_ops;
@@ -416,10 +417,11 @@ static u8 ide_wait_ireason(ide_drive_t *drive, u8 ireason)
return ireason;
}
ide_startstop_t ide_transfer_pc(ide_drive_t *drive, struct ide_atapi_pc *pc,
ide_startstop_t ide_transfer_pc(ide_drive_t *drive,
ide_handler_t *handler, unsigned int timeout,
ide_expiry_t *expiry)
{
struct ide_atapi_pc *pc = drive->pc;
ide_hwif_t *hwif = drive->hwif;
struct request *rq = hwif->hwgroup->rq;
ide_startstop_t startstop;
@@ -458,10 +460,11 @@ ide_startstop_t ide_transfer_pc(ide_drive_t *drive, struct ide_atapi_pc *pc,
}
EXPORT_SYMBOL_GPL(ide_transfer_pc);
ide_startstop_t ide_issue_pc(ide_drive_t *drive, struct ide_atapi_pc *pc,
ide_startstop_t ide_issue_pc(ide_drive_t *drive,
ide_handler_t *handler, unsigned int timeout,
ide_expiry_t *expiry)
{
struct ide_atapi_pc *pc = drive->pc;
ide_hwif_t *hwif = drive->hwif;
u16 bcount;
u8 dma = 0;