drm/armada: use for_each_endpoint_of_node() to walk crtc endpoints

Rather than having a nested set of for_each_child_of_node() walkers,
use the graph walker to iterate through the endpoints for CRTCs.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>

diff --git a/drivers/gpu/drm/armada/armada_drv.c b/drivers/gpu/drm/armada/armada_drv.c
index 05fab5cb5c2d308d5f74cdead488ff3cdab6bbda..1cfabcd6a629d68ec586fdc9a9ef8d9841d39178 100644 (file)
--- a/drivers/gpu/drm/armada/armada_drv.c
+++ b/drivers/gpu/drm/armada/armada_drv.c
@@ -204,11 +204,11 @@ static int compare_dev_name(struct device *dev, void *data)
 }
 
 static void armada_add_endpoints(struct device *dev,
-       struct component_match **match, struct device_node *port)
+       struct component_match **match, struct device_node *dev_node)
 {
        struct device_node *ep, *remote;
 
-       for_each_child_of_node(port, ep) {
+       for_each_endpoint_of_node(dev_node, ep) {
                remote = of_graph_get_remote_port_parent(ep);
                if (!remote || !of_device_is_available(remote)) {
                        of_node_put(remote);
@@ -242,7 +242,6 @@ static int armada_drm_probe(struct platform_device *pdev)
 
        if (dev->platform_data) {
                char **devices = dev->platform_data;
-               struct device_node *port;
                struct device *d;
                int i;
 
@@ -258,10 +257,8 @@ static int armada_drm_probe(struct platform_device *pdev)
                for (i = 0; devices[i]; i++) {
                        d = bus_find_device_by_name(&platform_bus_type, NULL,
                                                    devices[i]);
-                       if (d && d->of_node) {
-                               for_each_child_of_node(d->of_node, port)
-                                       armada_add_endpoints(dev, &match, port);
-                       }
+                       if (d && d->of_node)
+                               armada_add_endpoints(dev, &match, d->of_node);
                        put_device(d);
                }
        }