drm/tilcdc: Avoid error print by of_graph_get_next_endpoint() (10a55a18) · Commits · 戴 / test

drivers/gpu/drm/tilcdc/tilcdc_external.c

+11 −2

Original line number	Diff line number	Diff line
		@@ -138,12 +138,21 @@ static int dev_match_of(struct device dev, void data)
		int tilcdc_get_external_components(struct device *dev,
		struct component_match **match)
		{
		struct device_node *node;
		struct device_node *ep = NULL;
		int count = 0;

		while ((ep = of_graph_get_next_endpoint(dev->of_node, ep))) {
		struct device_node *node;
		/* Avoid error print by of_graph_get_next_endpoint() if there
		* is no ports present.
		*/
		node = of_get_child_by_name(dev->of_node, "ports");
		if (!node)
		node = of_get_child_by_name(dev->of_node, "port");
		if (!node)
		return 0;
		of_node_put(node);

		while ((ep = of_graph_get_next_endpoint(dev->of_node, ep))) {
		node = of_graph_get_remote_port_parent(ep);
		if (!node && !of_device_is_available(node)) {
		of_node_put(node);