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ide: use ide_tf_load() in execute_drive_cmd()

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* Add IDE_TFLAG_OUT_DEVICE taskfile flag to indicate the need of writing
  the Device register and handle it in ide_tf_load().

  Update ide_tf_load() and {do_rw,flagged}_taskfile() users accordingly.

* Use struct ide_taskfile and ide_tf_load() in execute_drive_cmd().

* Make the debugging code dump all taskfile registers for both
  REQ_ATA_TYPE_{CMD,TASK} requests and move it to ide_tf_load()
  so it also covers REQ_ATA_TYPE_TASKFILE requests.

There should be no functionality changes caused by this patch
(unless DEBUG is defined).

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz
2008-01-25 22:17:10 +01:00
parent 54688aa372
commit 807e35d695
4 changed files with 36 additions and 37 deletions
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2
drivers/ide/ide-disk.c
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@@ -159,7 +159,7 @@ static ide_startstop_t __ide_do_rw_disk(ide_drive_t *drive, struct request *rq,
memset(&task, 0, sizeof(task));
task.tf_flags = IDE_TFLAG_NO_SELECT_MASK; /* FIXME? */
task.tf_flags |= IDE_TFLAG_OUT_TF;
task.tf_flags |= (IDE_TFLAG_OUT_TF | IDE_TFLAG_OUT_DEVICE);
if (drive->select.b.lba) {
if (lba48) {