drm/bridge: lvds-encoder: add dev helper variable in .probe()

Make the code easier to read and modify.

Signed-off-by: Peter Rosin <peda@axentia.se>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190111151843.11114-5-peda@axentia.se

diff --git a/drivers/gpu/drm/bridge/lvds-encoder.c b/drivers/gpu/drm/bridge/lvds-encoder.c
index f56c92f..7b89fc4 100644 (file)
--- a/drivers/gpu/drm/bridge/lvds-encoder.c
+++ b/drivers/gpu/drm/bridge/lvds-encoder.c
@@ -34,48 +34,47 @@ static struct drm_bridge_funcs funcs = {
 
 static int lvds_encoder_probe(struct platform_device *pdev)
 {
+       struct device *dev = &pdev->dev;
        struct device_node *port;
        struct device_node *endpoint;
        struct device_node *panel_node;
        struct drm_panel *panel;
        struct lvds_encoder *lvds_encoder;
 
-       lvds_encoder = devm_kzalloc(&pdev->dev, sizeof(*lvds_encoder),
-                                   GFP_KERNEL);
+       lvds_encoder = devm_kzalloc(dev, sizeof(*lvds_encoder), GFP_KERNEL);
        if (!lvds_encoder)
                return -ENOMEM;
 
        /* Locate the panel DT node. */
-       port = of_graph_get_port_by_id(pdev->dev.of_node, 1);
+       port = of_graph_get_port_by_id(dev->of_node, 1);
        if (!port) {
-               dev_dbg(&pdev->dev, "port 1 not found\n");
+               dev_dbg(dev, "port 1 not found\n");
                return -ENXIO;
        }
 
        endpoint = of_get_child_by_name(port, "endpoint");
        of_node_put(port);
        if (!endpoint) {
-               dev_dbg(&pdev->dev, "no endpoint for port 1\n");
+               dev_dbg(dev, "no endpoint for port 1\n");
                return -ENXIO;
        }
 
        panel_node = of_graph_get_remote_port_parent(endpoint);
        of_node_put(endpoint);
        if (!panel_node) {
-               dev_dbg(&pdev->dev, "no remote endpoint for port 1\n");
+               dev_dbg(dev, "no remote endpoint for port 1\n");
                return -ENXIO;
        }
 
        panel = of_drm_find_panel(panel_node);
        of_node_put(panel_node);
        if (IS_ERR(panel)) {
-               dev_dbg(&pdev->dev, "panel not found, deferring probe\n");
+               dev_dbg(dev, "panel not found, deferring probe\n");
                return PTR_ERR(panel);
        }
 
        lvds_encoder->panel_bridge =
-               devm_drm_panel_bridge_add(&pdev->dev,
-                                         panel, DRM_MODE_CONNECTOR_LVDS);
+               devm_drm_panel_bridge_add(dev, panel, DRM_MODE_CONNECTOR_LVDS);
        if (IS_ERR(lvds_encoder->panel_bridge))
                return PTR_ERR(lvds_encoder->panel_bridge);
 
@@ -83,7 +82,7 @@ static int lvds_encoder_probe(struct platform_device *pdev)
         * but we need a bridge attached to our of_node for our user
         * to look up.
         */
-       lvds_encoder->bridge.of_node = pdev->dev.of_node;
+       lvds_encoder->bridge.of_node = dev->of_node;
        lvds_encoder->bridge.funcs = &funcs;
        drm_bridge_add(&lvds_encoder->bridge);