From: Nícolas F. R. A. Prado Date: Mon, 15 Apr 2024 21:49:31 +0000 (-0400) Subject: drm/bridge: lt8912b: Don't log an error when DSI host can't be found X-Git-Tag: v5.15.161~245 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=fb444706ff8cf83d1d8680a9bf96511e6b5cc694;p=thirdparty%2Fkernel%2Fstable.git drm/bridge: lt8912b: Don't log an error when DSI host can't be found [ Upstream commit b3b4695ff47c4964d4ccb930890c9ffd8e455e20 ] 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: 30e2ae943c26 ("drm/bridge: Introduce LT8912B DSI to HDMI bridge") Suggested-by: AngeloGioacchino Del Regno Reviewed-by: AngeloGioacchino Del Regno Reviewed-by: Laurent Pinchart Signed-off-by: Nícolas F. R. A. Prado Signed-off-by: Robert Foss Link: https://patchwork.freedesktop.org/patch/msgid/20240415-anx7625-defer-log-no-dsi-host-v3-3-619a28148e5c@collabora.com Signed-off-by: Sasha Levin --- diff --git a/drivers/gpu/drm/bridge/lontium-lt8912b.c b/drivers/gpu/drm/bridge/lontium-lt8912b.c index e16b0fc0cda0f..6379d5c8edff1 100644 --- a/drivers/gpu/drm/bridge/lontium-lt8912b.c +++ b/drivers/gpu/drm/bridge/lontium-lt8912b.c @@ -475,10 +475,8 @@ 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)) {