* Re: [PATCH 1/1] drm/bridge: fsl-ldb: Add dev_err_probe for some error paths
[not found] <20260327070122.3551058-1-alexander.stein@ew.tq-group.com>
@ 2026-05-11 14:22 ` Alexander Stein
0 siblings, 0 replies; only message in thread
From: Alexander Stein @ 2026-05-11 14:22 UTC (permalink / raw)
To: Andrzej Hajda, Neil Armstrong, Robert Foss, Laurent Pinchart,
Jonas Karlman, Jernej Skrabec, Maarten Lankhorst, Maxime Ripard,
Thomas Zimmermann, David Airlie, Simona Vetter
Cc: dri-devel, linux-kernel
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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