ide: disable DMA in ->ide_dma_check for "no IORDY" case (v2)

If DMA is unsupported ->ide_dma_check should disable DMA.

v2:
* updated for scc_pata

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

diff --git a/drivers/ide/ppc/scc_pata.c b/drivers/ide/ppc/scc_pata.c
index f05117e..7e3e93c 100644
--- a/drivers/ide/ppc/scc_pata.c
+++ b/drivers/ide/ppc/scc_pata.c
@@ -376,11 +376,10 @@
 	if (ide_use_dma(drive) && scc_config_chipset_for_dma(drive))
 		return hwif->ide_dma_on(drive);
 
-	if (ide_use_fast_pio(drive)) {
+	if (ide_use_fast_pio(drive))
 		hwif->tuneproc(drive, 4);
-		hwif->ide_dma_off_quietly(drive);
-	}
-	return 1; /* DMA is not supported */
+
+	return hwif->ide_dma_off_quietly(drive);
 }
 
 /**