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>

drivers/ide/pci/siimage.c

@@ -419,12 +419,10 @@ static int siimage_config_drive_for_dma (ide_drive_t *drive)
 	if (ide_use_dma(drive) && config_chipset_for_dma(drive))
 		return hwif->ide_dma_on(drive);
 
-	if (ide_use_fast_pio(drive)) {
+	if (ide_use_fast_pio(drive))
 		config_chipset_for_pio(drive, 1);
-		return hwif->ide_dma_off_quietly(drive);
-	}
-	/* IORDY not supported */
-	return 0;
+
+	return hwif->ide_dma_off_quietly(drive);
 }
 
 /* returns 1 if dma irq issued, 0 otherwise */