From 539bb6a248858edd99d8645677345799f37ca51d Mon Sep 17 00:00:00 2001 From: Philipp Zabel Date: Thu, 3 Jul 2014 23:07:49 +0200 Subject: [PATCH] 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 --- drivers/gpu/drm/imx/imx-drm-core.c | 11 ++++------- 1 file 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; } -- 2.39.5