ide: change ->set_pio_mode method parameters

Change ->set_pio_mode method parameters to match ->set_piomode method
used in struct ata_port_operations.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/ide/ide-xfer-mode.c b/drivers/ide/ide-xfer-mode.c
index c232386..a62fb03 100644
--- a/drivers/ide/ide-xfer-mode.c
+++ b/drivers/ide/ide-xfer-mode.c
@@ -136,7 +136,7 @@
 	 */
 	if (port_ops->set_dma_mode == NULL) {
 		drive->pio_mode = mode;
-		port_ops->set_pio_mode(drive, mode - XFER_PIO_0);
+		port_ops->set_pio_mode(hwif, drive);
 		return 0;
 	}
 
@@ -144,11 +144,11 @@
 		if (ide_config_drive_speed(drive, mode))
 			return -1;
 		drive->pio_mode = mode;
-		port_ops->set_pio_mode(drive, mode - XFER_PIO_0);
+		port_ops->set_pio_mode(hwif, drive);
 		return 0;
 	} else {
 		drive->pio_mode = mode;
-		port_ops->set_pio_mode(drive, mode - XFER_PIO_0);
+		port_ops->set_pio_mode(hwif, drive);
 		return ide_config_drive_speed(drive, mode);
 	}
 }