ide: remove ide_dma_enable()

* check ->speedproc return value in ide_tune_dma()
* use ide_tune_dma() in cmd64x/cs5530/sc1200/siimage/sl82c105/scc_pata drivers
* remove no longer needed ide_dma_enable()

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

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index 5fe85191d49c..de33e6f88f17 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -792,9 +792,10 @@ int ide_tune_dma(ide_drive_t *drive)
         if (!speed)
                 return 0;
 
-        drive->hwif->speedproc(drive, speed);
+        if (drive->hwif->speedproc(drive, speed))
+                return 0;
 
-        return ide_dma_enable(drive);
+        return 1;
 }
 
 EXPORT_SYMBOL_GPL(ide_tune_dma);