dm: core: Add ofnode_for_each_subnode()
Add a convenience macro to iterate over subnodes of a node. Make use of
this where appropriate in the code.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/power/pmic/pmic-uclass.c b/drivers/power/pmic/pmic-uclass.c
index 953bbe5..64964e4 100644
--- a/drivers/power/pmic/pmic-uclass.c
+++ b/drivers/power/pmic/pmic-uclass.c
@@ -34,9 +34,7 @@
debug("%s for '%s' at node offset: %d\n", __func__, pmic->name,
dev_of_offset(pmic));
- for (node = ofnode_first_subnode(parent);
- ofnode_valid(node);
- node = ofnode_next_subnode(node)) {
+ ofnode_for_each_subnode(node, parent) {
node_name = ofnode_get_name(node);
debug("* Found child node: '%s'\n", node_name);