ide: change ->set_dma_mode method parameters

Change ->set_dma_mode method parameters to match ->set_dmamode method
used in struct ata_port_operations.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/ide-xfer-mode.c b/drivers/ide/ide-xfer-mode.c
index a62fb03..9b549e4 100644
--- a/drivers/ide/ide-xfer-mode.c
+++ b/drivers/ide/ide-xfer-mode.c
@@ -168,11 +168,11 @@
 		if (ide_config_drive_speed(drive, mode))
 			return -1;
 		drive->dma_mode = mode;
-		port_ops->set_dma_mode(drive, mode);
+		port_ops->set_dma_mode(hwif, drive);
 		return 0;
 	} else {
 		drive->dma_mode = mode;
-		port_ops->set_dma_mode(drive, mode);
+		port_ops->set_dma_mode(hwif, drive);
 		return ide_config_drive_speed(drive, mode);
 	}
 }