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| author | Philipp Zabel <p.zabel@pengutronix.de> | 2014-07-04 01:07:49 +0400 |
|---|---|---|
| committer | Philipp Zabel <p.zabel@pengutronix.de> | 2015-04-08 12:14:26 +0300 |
| commit | 539bb6a248858edd99d8645677345799f37ca51d (patch) | |
| tree | 8ab15ba97423eba1daed520c69210c2cf8ca21e1 /drivers/gpu/drm/imx | |
| parent | 7416f4e33b5e924baa030ddab1f261a0a85fa32e (diff) | |
| download | linux-539bb6a248858edd99d8645677345799f37ca51d.tar.xz | |
drm/imx: use for_each_endpoint_of_node macro in imx_drm_encoder_get_mux_id
Using the for_each_... macro should make the code bit shorter and
easier to read. This patch also properly decrements the endpoint node
reference count before returning out of the loop.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Diffstat (limited to 'drivers/gpu/drm/imx')
| -rw-r--r-- | drivers/gpu/drm/imx/imx-drm-core.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c index 84cf99f8d957..db2f5a739e05 100644 --- a/drivers/gpu/drm/imx/imx-drm-core.c +++ b/drivers/gpu/drm/imx/imx-drm-core.c @@ -439,7 +439,7 @@ int imx_drm_encoder_get_mux_id(struct device_node *node, struct drm_encoder *encoder) { struct imx_drm_crtc *imx_crtc = imx_drm_find_crtc(encoder->crtc); - struct device_node *ep = NULL; + struct device_node *ep; struct of_endpoint endpoint; struct device_node *port; int ret; @@ -447,18 +447,15 @@ int imx_drm_encoder_get_mux_id(struct device_node *node, if (!node || !imx_crtc) return -EINVAL; - do { - ep = of_graph_get_next_endpoint(node, ep); - if (!ep) - break; - + for_each_endpoint_of_node(node, ep) { port = of_graph_get_remote_port(ep); of_node_put(port); if (port == imx_crtc->crtc->port) { ret = of_graph_parse_endpoint(ep, &endpoint); + of_node_put(ep); return ret ? ret : endpoint.port; } - } while (ep); + } return -EINVAL; } |