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, 21 deletions

diff --git a/drivers/ide/pci/scc_pata.c b/drivers/ide/pci/scc_pata.c
index cbf936325355..55bc0a32e34f 100644
--- a/drivers/ide/pci/scc_pata.c
+++ b/drivers/ide/pci/scc_pata.c
@@ -322,26 +322,6 @@ static int scc_tune_chipset(ide_drive_t *drive, byte xferspeed)
 }
 
 /**
- *      scc_config_chipset_for_dma      -       configure for DMA
- *      @drive: drive to configure
- *
- *      Called by scc_config_drive_for_dma().
- */
-
-static int scc_config_chipset_for_dma(ide_drive_t *drive)
-{
-        u8 speed = ide_max_dma_mode(drive);
-
-        if (!speed)
-                return 0;
-
-        if (scc_tune_chipset(drive, speed))
-                return 0;
-
-        return ide_dma_enable(drive);
-}
-
-/**
  *      scc_configure_drive_for_dma     -       set up for DMA transfers
  *      @drive: drive we are going to set up
  *
@@ -354,7 +334,7 @@ static int scc_config_chipset_for_dma(ide_drive_t *drive)
 
 static int scc_config_drive_for_dma(ide_drive_t *drive)
 {
-        if (ide_use_dma(drive) && scc_config_chipset_for_dma(drive))
+        if (ide_tune_dma(drive))
                 return 0;
 
         if (ide_use_fast_pio(drive))