diff --git a/drivers/of/base.c b/drivers/of/base.c
index b2f223fa47e9..b5e690bd6e9c 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -2028,8 +2028,8 @@ struct device_node *of_graph_get_next_endpoint(const struct device_node *parent,
 		of_node_put(node);
 	} else {
 		port = of_get_parent(prev);
-		if (!port)
-			/* Hm, has someone given us the root node ?... */
+		if (WARN_ONCE(!port, "%s(): endpoint %s has no parent node\n",
+			      __func__, prev->full_name))
 			return NULL;
 
 		/* Avoid dropping prev node refcount to 0. */