linux-kernel - [PATCH] drm/bridge: it66121: Remove a duplicated invoke of of_device_is

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Date: Sun, 17 Mar 2024 01:44:19 +0800
From: Sui Jingfeng <sui.jingfeng@...ux.dev>
To: Phong LE <ple@...libre.com>
Cc: Neil Armstrong <neil.armstrong@...aro.org>,
	Andrzej Hajda <andrzej.hajda@...el.com>,
	Robert Foss <rfoss@...nel.org>,
	Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
	Jonas Karlman <jonas@...boo.se>,
	Jernej Skrabec <jernej.skrabec@...il.com>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	David Airlie <airlied@...il.com>,
	Daniel Vetter <daniel@...ll.ch>,
	dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org,
	Sui Jingfeng <sui.jingfeng@...ux.dev>
Subject: [PATCH] drm/bridge: it66121: Remove a duplicated invoke of of_device_is_available()

The calling of of_device_is_available() in it66121_probe() is duplicated,
as the of_graph_get_remote_node() has already do the check for us. There
is no need to call it again, thus delete the later one.

Signed-off-by: Sui Jingfeng <sui.jingfeng@...ux.dev>
---
 drivers/gpu/drm/bridge/ite-it66121.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/gpu/drm/bridge/ite-it66121.c b/drivers/gpu/drm/bridge/ite-it66121.c
index 052884058644..925e42f46cd8 100644
--- a/drivers/gpu/drm/bridge/ite-it66121.c
+++ b/drivers/gpu/drm/bridge/ite-it66121.c
@@ -1540,12 +1540,6 @@ static int it66121_probe(struct i2c_client *client)
 		return -EINVAL;
 	}
 
-	if (!of_device_is_available(ep)) {
-		of_node_put(ep);
-		dev_err(ctx->dev, "The remote device is disabled\n");
-		return -ENODEV;
-	}
-
 	ctx->next_bridge = of_drm_find_bridge(ep);
 	of_node_put(ep);
 	if (!ctx->next_bridge) {
-- 
2.34.1