[POWERPC] Use for_each macros in arch/powerpc/sysdev

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/sysdev/mv64x60_pci.c b/arch/powerpc/sysdev/mv64x60_pci.c
index 6933f9c..d21ab8f 100644
--- a/arch/powerpc/sysdev/mv64x60_pci.c
+++ b/arch/powerpc/sysdev/mv64x60_pci.c
@@ -164,8 +164,8 @@
 
 void __init mv64x60_pci_init(void)
 {
-	struct device_node *np = NULL;
+	struct device_node *np;
 
-	while ((np = of_find_compatible_node(np, "pci", "marvell,mv64x60-pci")))
+	for_each_compatible_node(np, "pci", "marvell,mv64x60-pci")
 		mv64x60_add_bridge(np);
 }