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: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/1] drm/bridge: fsl-ldb: Add dev_err_probe for some error paths
Date: Mon, 11 May 2026 16:22:15 +0200 [thread overview]
Message-ID: <2832185.mvXUDI8C0e@steina-w> (raw)
In-Reply-To: <20260327070122.3551058-1-alexander.stein@ew.tq-group.com>
Hi,
Am Freitag, 27. März 2026, 08:01:21 CEST schrieb Alexander Stein:
> 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>
Any feedback?
Thanks and best regards
Alexander
> ---
> 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 7b71cde173e0c..cd4b9f6e1ced4 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;
>
--
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parent reply other threads:[~2026-05-11 14:22 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <20260327070122.3551058-1-alexander.stein@ew.tq-group.com>]
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