Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=932aead6d21b631b2058255981824008a6eae32e
Commit: 932aead6d21b631b2058255981824008a6eae32e
Parent: 3a6a3549afe7dfe212b6384106bec957bb393f3a
Author: Bartlomiej Zolnierkiewicz <[EMAIL PROTECTED]>
AuthorDate: Fri Jan 25 22:17:13 2008 +0100
Committer: Bartlomiej Zolnierkiewicz <[EMAIL PROTECTED]>
CommitDate: Fri Jan 25 22:17:13 2008 +0100
ide-{floppy,tape,scsi}: fix register loading order when issuing packet
command
Load IDE_BCOUNTL_REG before IDE_BCOUNTH_REG when issuing packet command.
It shouldn't affect anything (just a usual paranoia to separate changes
which change the way in which hardware is accessed from code cleanups).
Acked-by: Sergei Shtylyov <[EMAIL PROTECTED]>
Signed-off-by: Bartlomiej Zolnierkiewicz <[EMAIL PROTECTED]>
---
drivers/ide/ide-floppy.c | 2 +-
drivers/ide/ide-tape.c | 2 +-
drivers/scsi/ide-scsi.c | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
index 830186f..d4fd064 100644
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -1071,8 +1071,8 @@ static ide_startstop_t idefloppy_issue_pc (ide_drive_t
*drive, idefloppy_pc_t *p
HWIF(drive)->OUTB(drive->ctl, IDE_CONTROL_REG);
/* Use PIO/DMA */
hwif->OUTB(dma, IDE_FEATURE_REG);
- hwif->OUTB((bcount >> 8) & 0xff, IDE_BCOUNTH_REG);
hwif->OUTB(bcount & 0xff, IDE_BCOUNTL_REG);
+ hwif->OUTB((bcount >> 8) & 0xff, IDE_BCOUNTH_REG);
HWIF(drive)->OUTB(drive->select.all, IDE_SELECT_REG);
if (dma) { /* Begin DMA, if necessary */
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index 3539131..d1f2446 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -2174,8 +2174,8 @@ static ide_startstop_t idetape_issue_packet_command
(ide_drive_t *drive, idetape
if (IDE_CONTROL_REG)
hwif->OUTB(drive->ctl, IDE_CONTROL_REG);
hwif->OUTB(dma_ok ? 1 : 0, IDE_FEATURE_REG); /* Use PIO/DMA */
- hwif->OUTB((bcount >> 8) & 0xff, IDE_BCOUNTH_REG);
hwif->OUTB(bcount & 0xff, IDE_BCOUNTL_REG);
+ hwif->OUTB((bcount >> 8) & 0xff, IDE_BCOUNTH_REG);
hwif->OUTB(drive->select.all, IDE_SELECT_REG);
if (dma_ok) /* Will begin DMA later */
set_bit(PC_DMA_IN_PROGRESS, &pc->flags);
diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c
index ab7e864..76f0ccd 100644
--- a/drivers/scsi/ide-scsi.c
+++ b/drivers/scsi/ide-scsi.c
@@ -594,8 +594,8 @@ static ide_startstop_t idescsi_issue_pc (ide_drive_t
*drive, idescsi_pc_t *pc)
HWIF(drive)->OUTB(drive->ctl, IDE_CONTROL_REG);
hwif->OUTB(dma, IDE_FEATURE_REG);
- hwif->OUTB((bcount >> 8) & 0xff, IDE_BCOUNTH_REG);
hwif->OUTB(bcount & 0xff, IDE_BCOUNTL_REG);
+ hwif->OUTB((bcount >> 8) & 0xff, IDE_BCOUNTH_REG);
if (dma)
set_bit(PC_DMA_OK, &pc->flags);
-
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