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, 0 insertions, 12 deletions

diff --git a/drivers/ide/ide-lib.c b/drivers/ide/ide-lib.c
index 3be3c69383f2..074bb32a4a40 100644
--- a/drivers/ide/ide-lib.c
+++ b/drivers/ide/ide-lib.c
@@ -111,18 +111,6 @@ u8 ide_rate_filter(ide_drive_t *drive, u8 speed)
 
 EXPORT_SYMBOL(ide_rate_filter);
 
-int ide_dma_enable (ide_drive_t *drive)
-{
-        ide_hwif_t *hwif        = HWIF(drive);
-        struct hd_driveid *id   = drive->id;
-
-        return ((int)   ((((id->dma_ultra >> 8) & hwif->ultra_mask) ||
-                          ((id->dma_mword >> 8) & hwif->mwdma_mask) ||
-                          ((id->dma_1word >> 8) & hwif->swdma_mask)) ? 1 : 0));
-}
-
-EXPORT_SYMBOL(ide_dma_enable);
-
 int ide_use_fast_pio(ide_drive_t *drive)
 {
         struct hd_driveid *id = drive->id;