drm/imx: parallel-display: use of_graph_get_endpoint_by_regs helper

Instead of using of_graph_get_port_by_id() to get the port and then
of_get_child_by_name() to get the first endpoint, get to the endpoint
in a single step.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>

1 files changed, 12 insertions, 12 deletions

diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c
index 363e2c7741e2..27755ecbf516 100644
--- a/drivers/gpu/drm/imx/parallel-display.c
+++ b/drivers/gpu/drm/imx/parallel-display.c
@@ -203,7 +203,7 @@ static int imx_pd_bind(struct device *dev, struct device *master, void *data)
 {
         struct drm_device *drm = data;
         struct device_node *np = dev->of_node;
-        struct device_node *port;
+        struct device_node *ep;
         const u8 *edidp;
         struct imx_parallel_display *imxpd;
         int ret;
@@ -230,18 +230,18 @@ static int imx_pd_bind(struct device *dev, struct device *master, void *data)
         }
 
         /* port@1 is the output port */
-        port = of_graph_get_port_by_id(np, 1);
-        if (port) {
-                struct device_node *endpoint, *remote;
-
-                endpoint = of_get_child_by_name(port, "endpoint");
-                if (endpoint) {
-                        remote = of_graph_get_remote_port_parent(endpoint);
-                        if (remote)
-                                imxpd->panel = of_drm_find_panel(remote);
-                        if (!imxpd->panel)
-                                return -EPROBE_DEFER;
+        ep = of_graph_get_endpoint_by_regs(np, 1, -1);
+        if (ep) {
+                struct device_node *remote;
+
+                remote = of_graph_get_remote_port_parent(ep);
+                of_node_put(ep);
+                if (remote) {
+                        imxpd->panel = of_drm_find_panel(remote);
+                        of_node_put(remote);
                 }
+                if (!imxpd->panel)
+                        return -EPROBE_DEFER;
         }
 
         imxpd->dev = dev;