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>
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@ -223,6 +223,7 @@ static ide_startstop_t ide_start_power_step(ide_drive_t *drive, struct request *
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break;
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if (drive->hwif->ide_dma_check == NULL)
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break;
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drive->hwif->dma_off_quietly(drive);
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ide_set_dma(drive);
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break;
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}
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@ -910,6 +910,7 @@ int set_using_dma(ide_drive_t *drive, int arg)
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err = 0;
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if (arg) {
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hwif->dma_off_quietly(drive);
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if (ide_set_dma(drive) || hwif->ide_dma_on(drive))
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err = -EIO;
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} else
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