scsi: remove scsi_get_tag_type

Both remaining users are better of just checking sdev->simple_tags
directly.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com
Reviewed-by: Hannes Reinecke <hare@suse.de>

drivers/scsi/53c700.c

@@ -1816,8 +1816,8 @@ NCR_700_queuecommand_lck(struct scsi_cmnd *SCp, void (*done)(struct scsi_cmnd *)
 		hostdata->tag_negotiated &= ~(1<<scmd_id(SCp));
 	}
 
-	if((hostdata->tag_negotiated &(1<<scmd_id(SCp)))
+	if ((hostdata->tag_negotiated & (1<<scmd_id(SCp))) &&
-	   && scsi_get_tag_type(SCp->device)) {
+	    SCp->device->simple_tags) {
 		slot->tag = SCp->request->tag;
 		CDEBUG(KERN_DEBUG, SCp, "sending out tag %d, slot %p\n",
 		       slot->tag, slot);

drivers/scsi/ipr.c

@@ -5755,7 +5755,7 @@ static void ipr_erp_cancel_all(struct ipr_cmnd *ipr_cmd)
 
 	ipr_reinit_ipr_cmnd_for_erp(ipr_cmd);
 
-	if (!scsi_get_tag_type(scsi_cmd->device)) {
+	if (!scsi_cmd->device->simple_tags) {
 		ipr_erp_request_sense(ipr_cmd);
 		return;
 	}

include/scsi/scsi_tcq.h

@@ -15,19 +15,6 @@
 
 
 #ifdef CONFIG_BLOCK
-/**
- * scsi_get_tag_type - get the type of tag the device supports
- * @sdev:	the scsi device
- */
-static inline int scsi_get_tag_type(struct scsi_device *sdev)
-{
-	if (!sdev->tagged_supported)
-		return 0;
-	if (sdev->simple_tags)
-		return MSG_SIMPLE_TAG;
-	return 0;
-}
-
 static inline void scsi_set_tag_type(struct scsi_device *sdev, int tag)
 {
 	switch (tag) {