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drm/bridge: lt8912b: Don't log an error when DSI host can't be found

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Given that failing to find a DSI host causes the driver to defer probe,
make use of dev_err_probe() to log the reason. This makes the defer
probe reason available and avoids alerting userspace about something
that is not necessarily an error.

Fixes: 30e2ae943c ("drm/bridge: Introduce LT8912B DSI to HDMI bridge")
Suggested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240415-anx7625-defer-log-no-dsi-host-v3-3-619a28148e5c@collabora.com
This commit is contained in:
Nícolas F. R. A. Prado 2024-04-15 17:49:31 -04:00 committed by Robert Foss
parent 275fafe58f
commit b3b4695ff4
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1 changed files with 2 additions and 4 deletions
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6
drivers/gpu/drm/bridge/lontium-lt8912b.c
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@ -494,10 +494,8 @@ static int lt8912_attach_dsi(struct lt8912 *lt)
};
host = of_find_mipi_dsi_host_by_node(lt->host_node);
if (!host) {
dev_err(dev, "failed to find dsi host\n");
return -EPROBE_DEFER;
}
if (!host)
return dev_err_probe(dev, -EPROBE_DEFER, "failed to find dsi host\n");
dsi = devm_mipi_dsi_device_register_full(dev, host, &info);
if (IS_ERR(dsi)) {