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From: Peter Rosin <peda@axentia.se>
To: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Cc: Peter Rosin <peda@axentia.se>, David Airlie <airlied@linux.ie>,
	Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Archit Taneja <architt@codeaurora.org>,
	Andrzej Hajda <a.hajda@samsung.com>,
	Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
	"dri-devel@lists.freedesktop.org"
	<dri-devel@lists.freedesktop.org>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>
Subject: [PATCH v4 4/5] drm/bridge: lvds-encoder: add dev helper variable in .probe()
Date: Fri, 11 Jan 2019 15:19:10 +0000
Message-ID: <20190111151843.11114-5-peda@axentia.se> (raw)
In-Reply-To: <20190111151843.11114-1-peda@axentia.se>

Make the code easier to read and modify.

Signed-off-by: Peter Rosin <peda@axentia.se>
---
 drivers/gpu/drm/bridge/lvds-encoder.c | 19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/bridge/lvds-encoder.c b/drivers/gpu/drm/bridge/lvds-encoder.c
index 75b0d3f6e4de..f6770e83d49d 100644
--- 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 (!panel) {
-		dev_dbg(&pdev->dev, "panel not found, deferring probe\n");
+		dev_dbg(dev, "panel not found, deferring probe\n");
 		return -EPROBE_DEFER;
 	}
 
 	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);
 
-- 
2.11.0


  parent reply index

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20190115040858epcas3p4b4b9bfa6f6706842ad92825fea36d59e@epcas3p4.samsung.com>
2019-01-11 15:18 ` [PATCH v4 0/5] drm/bridge: various small lvds-encoder things Peter Rosin
2019-01-11 15:18   ` [PATCH v4 1/5] dt-bindings: display: bridge: fork out ti,ds90c185 from lvds-transmitter Peter Rosin
2019-01-15 20:06     ` Rob Herring
2019-01-11 15:19   ` [PATCH v4 2/5] dt-bindings: display: bridge: lvds-transmitter: cleanup example Peter Rosin
2019-01-11 15:19   ` [PATCH v4 3/5] dt-bindings: display: bridge: thc63lvdm83d: use standard powerdown-gpios Peter Rosin
2019-01-11 15:19   ` Peter Rosin [this message]
2019-01-18  7:31     ` [PATCH v4 4/5] drm/bridge: lvds-encoder: add dev helper variable in .probe() Andrzej Hajda
2019-01-11 15:19   ` [PATCH v4 5/5] drm/bridge: lvds-encoder: add powerdown-gpios support Peter Rosin
2019-01-18  7:32     ` Andrzej Hajda
2019-01-18  8:43   ` [PATCH v4 0/5] drm/bridge: various small lvds-encoder things Andrzej Hajda
2019-01-18 23:11     ` [PATCH] drm/bridge: lvds-encoder: remove surplus NULL checks Peter Rosin
2019-01-21  9:33       ` Daniel Vetter
2019-01-22 21:04       ` Laurent Pinchart

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