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ide: check drive->using_dma in flagged_taskfile()

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Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2007-10-20 00:32:37 +02:00
parent dd35b7bb86
commit eda5b359dc
1 changed files with 3 additions and 0 deletions
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3
drivers/ide/ide-taskfile.c
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@ -837,6 +837,9 @@ ide_startstop_t flagged_taskfile (ide_drive_t *drive, ide_task_t *task)
case TASKFILE_OUT_DMA:
case TASKFILE_IN_DMAQ:
case TASKFILE_IN_DMA:
if (!drive->using_dma)
break;
if (!hwif->dma_setup(drive)) {
hwif->dma_exec_cmd(drive, taskfile->command);
hwif->dma_start(drive);