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, 16 deletions

diff --git a/drivers/ide/pci/sl82c105.c b/drivers/ide/pci/sl82c105.c
index 3d7759c361ff..ac1ec170fd26 100644
--- a/drivers/ide/pci/sl82c105.c
+++ b/drivers/ide/pci/sl82c105.c
@@ -159,28 +159,13 @@ static int sl82c105_tune_chipset(ide_drive_t *drive, u8 speed)
 }
 
 /*
- * Configure the drive for DMA.
- */
-static int config_for_dma(ide_drive_t *drive)
-{
-        u8 speed = ide_max_dma_mode(drive);
-
-        DBG(("config_for_dma(drive:%s)\n", drive->name));
-
-        if (!speed || sl82c105_tune_chipset(drive, speed))
-                return 0;
-
-        return ide_dma_enable(drive);
-}
-
-/*
  * Check to see if the drive and chipset are capable of DMA mode.
  */
 static int sl82c105_ide_dma_check(ide_drive_t *drive)
 {
         DBG(("sl82c105_ide_dma_check(drive:%s)\n", drive->name));
 
-        if (ide_use_dma(drive) && config_for_dma(drive))
+        if (ide_tune_dma(drive))
                 return 0;
 
         return -1;