diff options
| author | Philipp Zabel | 2014-03-05 10:20:53 +0100 |
|---|---|---|
| committer | Russell King | 2014-03-07 17:17:49 +0100 |
| commit | b6babdd93c1e679b49858d1ebe44144e93b744fb (patch) | |
| tree | de33d6fc6536b75b53bef11794028fda894b5ce8 /drivers/staging/imx-drm | |
| parent | staging: imx-drm-core: Use OF graph to find components and connections betwee... (diff) | |
| download | kernel-qcow2-linux-b6babdd93c1e679b49858d1ebe44144e93b744fb.tar.gz kernel-qcow2-linux-b6babdd93c1e679b49858d1ebe44144e93b744fb.tar.xz kernel-qcow2-linux-b6babdd93c1e679b49858d1ebe44144e93b744fb.zip | |
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: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/staging/imx-drm')
| -rw-r--r-- | drivers/staging/imx-drm/imx-drm-core.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/staging/imx-drm/imx-drm-core.c b/drivers/staging/imx-drm/imx-drm-core.c index e4277f996574..f926931183ea 100644 --- a/drivers/staging/imx-drm/imx-drm-core.c +++ b/drivers/staging/imx-drm/imx-drm-core.c @@ -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); |