[PATCH 04/12] drm: rcar-du: Use for_each_endpoint_of_node()

[Laurent Pinchart]

Replace the manual loop implementation with the macro to simplify the
code.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas at ideasonboard.com>
---
 drivers/gpu/drm/rcar-du/rcar_du_kms.c | 12 ++----------
 1 file changed, 2 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c 
b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
index c6a7fd6..6575681 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
@@ -299,27 +299,19 @@ 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 *prev = NULL;
        unsigned int num_encoders = 0;
+       struct device_node *ep_node;

        /*
         * Iterate over the endpoints and create one encoder for each output
         * pipeline.
         */
-       while (1) {
-               struct device_node *ep_node;
+       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, prev);
-               of_node_put(prev);
-               prev = ep_node;
-
-               if (ep_node == NULL)
-                       break;
-
                ret = of_graph_parse_endpoint(ep_node, &ep);
                if (ret < 0) {
                        of_node_put(ep_node);
-- 
1.8.5.5