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: default avatarBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
parent 7f86723a
......@@ -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;
}
......
......@@ -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
......
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