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-rw-r--r--drivers/of/base.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/of/base.c b/drivers/of/base.c
index 31ca3c8dae61..7183e825d658 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -663,8 +663,9 @@ static struct device_node *__of_get_next_child(const struct device_node *node,
* @node: parent node
* @prev: previous child of the parent node, or NULL to get first
*
- * Returns a node pointer with refcount incremented, use
- * of_node_put() on it when done.
+ * Returns a node pointer with refcount incremented, use of_node_put() on
+ * it when done. Returns NULL when prev is the last child. Decrements the
+ * refcount of prev.
*/
struct device_node *of_get_next_child(const struct device_node *node,
struct device_node *prev)
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