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| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2007-05-16 00:51:43 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2007-05-16 00:51:43 +0200 |
| commit | 793a97228d3da876f42b7fb4d4a52cc8cc86dc81 (patch) | |
| tree | ce76adb97bca7089e8bc96cb774d90fb3e254926 | |
| parent | 7f86723a60d287be19aee620277184f9f5455283 (diff) | |
| download | kernel_samsung_smdk4412-793a97228d3da876f42b7fb4d4a52cc8cc86dc81.zip kernel_samsung_smdk4412-793a97228d3da876f42b7fb4d4a52cc8cc86dc81.tar.gz kernel_samsung_smdk4412-793a97228d3da876f42b7fb4d4a52cc8cc86dc81.tar.bz2 | |
ide: always disable DMA before tuning it
ide_start_power_step() and set_using_dma() were missing ->dma_off_quietly
call (comment in probe_hwif() states that DMA should be always cleared before
tuning is attempted). Fix it.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| -rw-r--r-- | drivers/ide/ide-io.c | 1 | ||||
| -rw-r--r-- | drivers/ide/ide.c | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index 8e56814..bfe8f1b 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -223,6 +223,7 @@ static ide_startstop_t ide_start_power_step(ide_drive_t *drive, struct request * break; if (drive->hwif->ide_dma_check == NULL) break; + drive->hwif->dma_off_quietly(drive); ide_set_dma(drive); break; } diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index f2b547f..6002713 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -910,6 +910,7 @@ int set_using_dma(ide_drive_t *drive, int arg) err = 0; if (arg) { + hwif->dma_off_quietly(drive); if (ide_set_dma(drive) || hwif->ide_dma_on(drive)) err = -EIO; } else |