powerpc/celleb: Use for_each_compatible_node() macro

Use for_each_compatible_node() macro instead of open coding it.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

diff --git a/arch/powerpc/platforms/cell/celleb_scc_sio.c b/arch/powerpc/platforms/cell/celleb_scc_sio.c
index 3a16c5b..9c339ec 100644 (file)
--- 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;