ide-scsi: use ide_execute_command()

Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c
index 5ed0006..7901272 100644
--- a/drivers/scsi/ide-scsi.c
+++ b/drivers/scsi/ide-scsi.c
@@ -596,11 +596,8 @@
 		set_bit(PC_DMA_OK, &pc->flags);
 
 	if (test_bit(IDESCSI_DRQ_INTERRUPT, &scsi->flags)) {
-		BUG_ON(HWGROUP(drive)->handler != NULL);
-		ide_set_handler(drive, &idescsi_transfer_pc,
-				get_timeout(pc), idescsi_expiry);
-		/* Issue the packet command */
-		HWIF(drive)->OUTB(WIN_PACKETCMD, IDE_COMMAND_REG);
+		ide_execute_command(drive, WIN_PACKETCMD, &idescsi_transfer_pc,
+				    get_timeout(pc), idescsi_expiry);
 		return ide_started;
 	} else {
 		/* Issue the packet command */