ide: always disable DMA before tuning it (793a9722) · Commits · 戴 / test

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>

drivers/ide/ide-io.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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;
		}

drivers/ide/ide.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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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