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

Commit b6babdd9 authored by Philipp Zabel's avatar Philipp Zabel Committed by Russell King
Browse files

staging: imx-drm-core: use of_graph_parse_endpoint 



Using of_graph_parse_endpoint recovers the port id from an endpoint device
tree node. This just replaces an open coded read of the "reg" property.

Signed-off-by: default avatarPhilipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 655b43cc

drivers/staging/imx-drm/imx-drm-core.c

+4 −4
Original line number Diff line number Diff line
@@ -501,8 +501,9 @@ int imx_drm_encoder_get_mux_id(struct device_node *node, 
{

	struct imx_drm_crtc *imx_crtc = imx_drm_find_crtc(encoder->crtc);

	struct device_node *ep = NULL;

	struct of_endpoint endpoint;

	struct device_node *port;

	int id, ret;

	int ret;



	if (!node || !imx_crtc)

		return -EINVAL;
@@ -515,9 +516,8 @@ int imx_drm_encoder_get_mux_id(struct device_node *node, 
		port = of_graph_get_remote_port(ep);

		of_node_put(port);

		if (port == imx_crtc->port) {

			ret = of_property_read_u32(ep->parent, "reg", &id);

			of_node_put(ep);

			return ret ? ret : id;

			ret = of_graph_parse_endpoint(ep, &endpoint);

			return ret ? ret : endpoint.id;

		}

	} while (ep);