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From: Alexander Stein <alexander.stein@ew.tq-group.com>
To: Andrzej Hajda <andrzej.hajda@intel.com>,
	Neil Armstrong <neil.armstrong@linaro.org>,
	Robert Foss <rfoss@kernel.org>,
	Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
	Jonas Karlman <jonas@kwiboo.se>,
	Jernej Skrabec <jernej.skrabec@gmail.com>,
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	Maxime Ripard <mripard@kernel.org>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>
Cc: Alexander Stein <alexander.stein@ew.tq-group.com>,
	dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: [PATCH RESEND 1/1] drm/bridge: fsl-ldb: Add dev_err_probe for some error paths
Date: Mon, 28 Sep 2026 13:49:18 +0200	[thread overview]
Message-ID: <20260928114919.326797-1-alexander.stein@ew.tq-group.com> (raw)

There are code paths which can return -EPROBE_DEFER during probe. Add
missing error message for deferred probes.

Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
---
 drivers/gpu/drm/bridge/fsl-ldb.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/bridge/fsl-ldb.c b/drivers/gpu/drm/bridge/fsl-ldb.c
index 26cc72948f316..d763241b077aa 100644
--- a/drivers/gpu/drm/bridge/fsl-ldb.c
+++ b/drivers/gpu/drm/bridge/fsl-ldb.c
@@ -315,11 +315,13 @@ static int fsl_ldb_probe(struct platform_device *pdev)
 
 	fsl_ldb->clk = devm_clk_get(dev, "ldb");
 	if (IS_ERR(fsl_ldb->clk))
-		return PTR_ERR(fsl_ldb->clk);
+		return dev_err_probe(dev, PTR_ERR(fsl_ldb->clk),
+				     "Could not get ldb clock\n");
 
 	fsl_ldb->regmap = syscon_node_to_regmap(dev->of_node->parent);
 	if (IS_ERR(fsl_ldb->regmap))
-		return PTR_ERR(fsl_ldb->regmap);
+		return dev_err_probe(dev, PTR_ERR(fsl_ldb->regmap),
+				     "Could not get syscon regmap\n");
 
 	/* Locate the remote ports and the panel node */
 	remote1 = of_graph_get_remote_node(dev->of_node, 1, 0);
@@ -342,7 +344,8 @@ static int fsl_ldb_probe(struct platform_device *pdev)
 	panel = of_drm_find_panel(panel_node);
 	of_node_put(panel_node);
 	if (IS_ERR(panel))
-		return PTR_ERR(panel);
+		return dev_err_probe(dev, PTR_ERR(panel),
+				     "Could not get panel\n");
 
 	if (of_property_present(dev->of_node, "nxp,enable-termination-resistor"))
 		fsl_ldb->use_termination_resistor = true;
-- 
2.55.0


                 reply	other threads:[~2026-09-28 11:49 UTC|newest]

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