diff --git a/arch/powerpc/platforms/cell/celleb_scc_sio.c b/arch/powerpc/platforms/cell/celleb_scc_sio.c
index 3a16c5b3c46449fed01aa4db4678b25d902a7540..9c339ec646f5543aa355362a952581fd74fe745a 100644
--- a/arch/powerpc/platforms/cell/celleb_scc_sio.c
+++ b/arch/powerpc/platforms/cell/celleb_scc_sio.c
@@ -42,14 +42,13 @@ static struct {
 static int __init txx9_serial_init(void)
 {
 	extern int early_serial_txx9_setup(struct uart_port *port);
-	struct device_node *node = NULL;
+	struct device_node *node;
 	int i;
 	struct uart_port req;
 	struct of_irq irq;
 	struct resource res;
 
-	while ((node = of_find_compatible_node(node,
-				"serial", "toshiba,sio-scc")) != NULL) {
+	for_each_compatible_node(node, "serial", "toshiba,sio-scc") {
 		for (i = 0; i < ARRAY_SIZE(txx9_scc_tab); i++) {
 			if (!(txx9_serial_bitmap & (1<<i)))
 				continue;