[PATCH 1/2] powerpc/powermac/pfunc_base: Use helper function for_each_child_of_node()

[Zhang Zekun]

for_each_child_of_node() can help to iterate through the device_node,
and we don't need to do it manually. No functional change with this
conversion.

Signed-off-by: Zhang Zekun <zhangzekun11 at huawei.com>
---
 arch/powerpc/platforms/powermac/pfunc_base.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/platforms/powermac/pfunc_base.c b/arch/powerpc/platforms/powermac/pfunc_base.c
index 085e0ad20eba..8253de737373 100644
--- a/arch/powerpc/platforms/powermac/pfunc_base.c
+++ b/arch/powerpc/platforms/powermac/pfunc_base.c
@@ -313,7 +313,7 @@ static void __init uninorth_install_pfunc(void)
 	/*
 	 * Install handlers for the hwclock child if any
 	 */
-	for (np = NULL; (np = of_get_next_child(uninorth_node, np)) != NULL;)
+	for_each_child_of_node(uninorth_node, np)
 		if (of_node_name_eq(np, "hw-clock")) {
 			unin_hwclock = np;
 			break;
-- 
2.17.1