diff --git a/drivers/ide/pmac.c b/drivers/ide/pmac.c
index 203ed4adc04ae6680de39910985b05996c227528..92f840365718d46ac9d66e8a8a1e2e58e189b2c2 100644
--- a/drivers/ide/pmac.c
+++ b/drivers/ide/pmac.c
@@ -1046,7 +1046,7 @@ static int pmac_ide_setup_device(pmac_ide_hwif_t *pmif, struct ide_hw *hw)
 		d.port_ops = &pmac_ide_ata4_port_ops;
 		d.udma_mask = ATA_UDMA5;
 	} else if (of_device_is_compatible(np, "keylargo-ata")) {
-		if (strcmp(np->name, "ata-4") == 0) {
+		if (of_node_name_eq(np, "ata-4")) {
 			pmif->kind = controller_kl_ata4;
 			d.port_ops = &pmac_ide_ata4_port_ops;
 			d.udma_mask = ATA_UDMA4;