drivers/macintosh/smu.c: use for_each_child_of_node() macro

Use for_each_child_of_node() macro instead of open coding it.

Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200916062122.190586-1-miaoqinglang@huawei.com

diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c
index ca2a0bc..51b6f2a 100644 (file)
--- a/drivers/macintosh/smu.c
+++ b/drivers/macintosh/smu.c
@@ -638,7 +638,7 @@ static void smu_expose_childs(struct work_struct *unused)
 {
        struct device_node *np;
 
-       for (np = NULL; (np = of_get_next_child(smu->of_node, np)) != NULL;)
+       for_each_child_of_node(smu->of_node, np)
                if (of_device_is_compatible(np, "smu-sensors"))
                        of_platform_device_create(np, "smu-sensors",
                                                  &smu->of_dev->dev);