ide: remove ide_do_drive_cmd()

* Use elv_add_request() instead of __elv_add_request() in ide_do_drive_cmd().

* ide_do_drive_cmd() is used only in ide-{atapi,cd}.c so inline it there.

There should be no functional changes caused by this patch.

Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index ddfbea4..2177cd1 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -242,7 +242,9 @@
 		ide_debug_log(IDE_DBG_SENSE, "failed_cmd: 0x%x\n",
 			      failed_command->cmd[0]);
 
-	ide_do_drive_cmd(drive, rq);
+	drive->hwif->rq = NULL;
+
+	elv_add_request(drive->queue, rq, ELEVATOR_INSERT_FRONT, 0);
 }
 
 static void cdrom_end_request(ide_drive_t *drive, int uptodate)