ide: respect current DMA setting during resume

Respect current DMA setting during resume, otherwise PIO timings
may get destroyed if host uses shared PIO/MWDMA timings.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files changed, 2 insertions, 4 deletions

diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index 0be7c4eb11c3..702a627b0083 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -204,10 +204,8 @@ static ide_startstop_t ide_start_power_step(ide_drive_t *drive, struct request *
                  */
                 if (drive->hwif->dma_ops == NULL)
                         break;
-                /*
-                 * TODO: respect IDE_DFLAG_USING_DMA
-                 */
-                ide_set_dma(drive);
+                if (drive->dev_flags & IDE_DFLAG_USING_DMA)
+                        ide_set_dma(drive);
                 break;
         }