drm/rcar-du: use for_each_endpoint_of_node macro

Using the for_each_... macro should make the code a bit shorter and
easier to read.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

1 files changed, 3 insertions, 13 deletions

diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
index 68dab2601bf5..c23507447e3f 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
@@ -224,12 +224,7 @@ static int rcar_du_encoders_init_one(struct rcar_du_device *rcdu,
 
         entity_ep_node = of_parse_phandle(ep->local_node, "remote-endpoint", 0);
 
-        while (1) {
-                ep_node = of_graph_get_next_endpoint(entity, ep_node);
-
-                if (!ep_node)
-                        break;
-
+        for_each_endpoint_of_node(entity, ep_node) {
                 if (ep_node == entity_ep_node)
                         continue;
 
@@ -296,24 +291,19 @@ static int rcar_du_encoders_init_one(struct rcar_du_device *rcdu,
 static int rcar_du_encoders_init(struct rcar_du_device *rcdu)
 {
         struct device_node *np = rcdu->dev->of_node;
-        struct device_node *ep_node = NULL;
+        struct device_node *ep_node;
         unsigned int num_encoders = 0;
 
         /*
          * Iterate over the endpoints and create one encoder for each output
          * pipeline.
          */
-        while (1) {
+        for_each_endpoint_of_node(np, ep_node) {
                 enum rcar_du_output output;
                 struct of_endpoint ep;
                 unsigned int i;
                 int ret;
 
-                ep_node = of_graph_get_next_endpoint(np, ep_node);
-
-                if (ep_node == NULL)
-                        break;
-
                 ret = of_graph_parse_endpoint(ep_node, &ep);
                 if (ret < 0) {
                         of_node_put(ep_node);