ide: initialize rq->cmd_type in ide_init_drive_cmd() callers

* Initialize rq->cmd_type in ide_wait_cmd(), ide_cmd_ioctl() and
  set_pio_mode() (other callers were aleady over-riding rq->cmd_type).

* Remove no longer needed rq->cmd_type setup from ide_init_drive_cmd().

Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c
index b559bec..b8c7e81 100644
--- a/drivers/ide/ide-taskfile.c
+++ b/drivers/ide/ide-taskfile.c
@@ -759,6 +759,7 @@
 		buf = buffer;
 	memset(buf, 0, 4 + SECTOR_WORDS * 4 * sectors);
 	ide_init_drive_cmd(&rq);
+	rq.cmd_type = REQ_TYPE_ATA_CMD;
 	rq.buffer = buf;
 	*buf++ = cmd;
 	*buf++ = nsect;
@@ -778,7 +779,10 @@
 
 	if (NULL == (void *) arg) {
 		struct request rq;
+
 		ide_init_drive_cmd(&rq);
+		rq.cmd_type = REQ_TYPE_ATA_CMD;
+
 		return ide_do_drive_cmd(drive, &rq, ide_wait);
 	}