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, 1 insertions, 14 deletions

diff --git a/drivers/ide/pci/cmd64x.c b/drivers/ide/pci/cmd64x.c
index 61ea96b5555c..7c57dc696f52 100644
--- a/drivers/ide/pci/cmd64x.c
+++ b/drivers/ide/pci/cmd64x.c
@@ -352,22 +352,9 @@ static int cmd64x_tune_chipset (ide_drive_t *drive, u8 speed)
         return ide_config_drive_speed(drive, speed);
 }
 
-static int config_chipset_for_dma (ide_drive_t *drive)
-{
-        u8 speed = ide_max_dma_mode(drive);
-
-        if (!speed)
-                return 0;
-
-        if (cmd64x_tune_chipset(drive, speed))
-                return 0;
-
-        return ide_dma_enable(drive);
-}
-
 static int cmd64x_config_drive_for_dma (ide_drive_t *drive)
 {
-        if (ide_use_dma(drive) && config_chipset_for_dma(drive))
+        if (ide_tune_dma(drive))
                 return 0;
 
         if (ide_use_fast_pio(drive))