Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 3a1c117f authored by Philipp Zabel's avatar Philipp Zabel
Browse files

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: default avatarPhilipp Zabel <p.zabel@pengutronix.de>
parent 620011e0

drivers/gpu/drm/imx/parallel-display.c

+12 −12
Original line number Original line Diff line number Diff line
@@ -203,7 +203,7 @@ static int imx_pd_bind(struct device *dev, struct device *master, void *data) 
{

{

	struct drm_device *drm = data;

	struct drm_device *drm = data;

	struct device_node *np = dev->of_node;

	struct device_node *np = dev->of_node;

	struct device_node *port;

	struct device_node *ep;

	const u8 *edidp;

	const u8 *edidp;

	struct imx_parallel_display *imxpd;

	struct imx_parallel_display *imxpd;

	int ret;

	int ret;
@@ -230,19 +230,19 @@ static int imx_pd_bind(struct device *dev, struct device *master, void *data) 
	}

	}





	/* port@1 is the output port */

	/* port@1 is the output port */

	port = of_graph_get_port_by_id(np, 1);

	ep = of_graph_get_endpoint_by_regs(np, 1, -1);

	if (port) {

	if (ep) {

		struct device_node *endpoint, *remote;

		struct device_node *remote;





		endpoint = of_get_child_by_name(port, "endpoint");

		remote = of_graph_get_remote_port_parent(ep);

		if (endpoint) {

		of_node_put(ep);

			remote = of_graph_get_remote_port_parent(endpoint);

		if (remote) {

			if (remote)

			imxpd->panel = of_drm_find_panel(remote);

			imxpd->panel = of_drm_find_panel(remote);

			of_node_put(remote);

		}

		if (!imxpd->panel)

		if (!imxpd->panel)

			return -EPROBE_DEFER;

			return -EPROBE_DEFER;

	}

	}

	}





	imxpd->dev = dev;

	imxpd->dev = dev;