linux-kernel - [PATCH RESEND] drm/bridge: ti-sn65dsi83: use dev_err

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Message-Id: <20241217-ti-sn65dsi83-dev_err_probe-v1-1-3fdce386400c@bootlin.com>
Date: Tue, 17 Dec 2024 17:02:51 +0100
From: Luca Ceresoli <luca.ceresoli@...tlin.com>
To: Andrzej Hajda <andrzej.hajda@...el.com>, 
 Neil Armstrong <neil.armstrong@...aro.org>, 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>, Herve Codina <herve.codina@...tlin.com>, 
 Simona Vetter <simona.vetter@...ll.ch>
Cc: Thomas Petazzoni <thomas.petazzoni@...tlin.com>, 
 dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
 Louis Chauvet <louis.chauvet@...tlin.com>, 
 Luca Ceresoli <luca.ceresoli@...tlin.com>
Subject: [PATCH RESEND] drm/bridge: ti-sn65dsi83: use dev_err_probe when
 failing to get panel bridge

When devm_drm_of_get_bridge() fails, the probe fails silently. Use
dev_err_probe() instead to log an error or report the deferral reason,
whichever is applicable.

Signed-off-by: Luca Ceresoli <luca.ceresoli@...tlin.com>
---
 drivers/gpu/drm/bridge/ti-sn65dsi83.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi83.c b/drivers/gpu/drm/bridge/ti-sn65dsi83.c
index 57a7ed13f9965db5a32b601a2a7ca92314c68f7d..60b9f14d769a5489acdfca6c2bb5744d02081315 100644
--- a/drivers/gpu/drm/bridge/ti-sn65dsi83.c
+++ b/drivers/gpu/drm/bridge/ti-sn65dsi83.c
@@ -606,7 +606,7 @@ static int sn65dsi83_parse_dt(struct sn65dsi83 *ctx, enum sn65dsi83_model model)
 
 	panel_bridge = devm_drm_of_get_bridge(dev, dev->of_node, 2, 0);
 	if (IS_ERR(panel_bridge))
-		return PTR_ERR(panel_bridge);
+		return dev_err_probe(dev, PTR_ERR(panel_bridge), "Failed to get panel bridge\n");
 
 	ctx->panel_bridge = panel_bridge;
 

---
base-commit: 8400291e289ee6b2bf9779ff1c83a291501f017b
change-id: 20240808-ti-sn65dsi83-dev_err_probe-98daf0ddafb1

Best regards,
-- 
Luca Ceresoli <luca.ceresoli@...tlin.com>