scsi: qlogicpti: Use of_node_name_eq for node name comparisons

Convert string compares of DT node names to use of_node_name_eq helper
instead. This removes direct access to the node name pointer.

As prom_name is not used for anything else, remove it.

Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: linux-scsi@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/qlogicpti.c

@@ -1314,8 +1314,7 @@ static int qpti_sbus_probe(struct platform_device *op)
 	qpti->qhost = host;
 	qpti->op = op;
 	qpti->qpti_id = nqptis;
-	strcpy(qpti->prom_name, op->dev.of_node->name);
-	qpti->is_pti = strcmp(qpti->prom_name, "QLGC,isp");
+	qpti->is_pti = !of_node_name_eq(op->dev.of_node, "QLGC,isp");
 
 	if (qpti_map_regs(qpti) < 0)
 		goto fail_unlink;

drivers/scsi/qlogicpti.h

@@ -364,7 +364,6 @@ struct qlogicpti {
 	int                       qpti_id;
 	int                       scsi_id;
 	int                       prom_node;
-	char                      prom_name[64];
 	int                       irq;
 	char                      differential, ultra, clock;
 	unsigned char             bursts;