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, 2 insertions, 6 deletions

diff --git a/drivers/ide/pci/sc1200.c b/drivers/ide/pci/sc1200.c
index c989fd90f377..523363c93794 100644
--- a/drivers/ide/pci/sc1200.c
+++ b/drivers/ide/pci/sc1200.c
@@ -240,12 +240,8 @@ static int sc1200_tune_chipset(ide_drive_t *drive, u8 mode)
  */
 static int sc1200_config_dma (ide_drive_t *drive)
 {
-        if (ide_use_dma(drive)) {
-                u8 mode = ide_max_dma_mode(drive);
-
-                if (mode && drive->hwif->speedproc(drive, mode) == 0)
-                        return 0;
-        }
+        if (ide_tune_dma(drive))
+                return 0;
 
         return 1;
 }