| Message ID | 20240415-anx7625-defer-log-no-dsi-host-v3-4-619a28148e5c@collabora.com (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
| Series | drm: Switch from dev_err to dev_err_probe for missing DSI host error path | expand |
On Mon, Apr 15, 2024 at 05:49:32PM -0400, Nícolas F. R. A. Prado wrote: > 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: 23278bf54afe ("drm/bridge: Introduce LT9611 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> > --- > drivers/gpu/drm/bridge/lontium-lt9611.c | 6 ++---- > 1 file changed, 2 insertions(+), 4 deletions(-) Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
diff --git a/drivers/gpu/drm/bridge/lontium-lt9611.c b/drivers/gpu/drm/bridge/lontium-lt9611.c index a9c7e2b07ea1..b99fe87ec738 100644 --- a/drivers/gpu/drm/bridge/lontium-lt9611.c +++ b/drivers/gpu/drm/bridge/lontium-lt9611.c @@ -761,10 +761,8 @@ static struct mipi_dsi_device *lt9611_attach_dsi(struct lt9611 *lt9611, int ret; host = of_find_mipi_dsi_host_by_node(dsi_node); - if (!host) { - dev_err(lt9611->dev, "failed to find dsi host\n"); - return ERR_PTR(-EPROBE_DEFER); - } + if (!host) + return ERR_PTR(dev_err_probe(lt9611->dev, -EPROBE_DEFER, "failed to find dsi host\n")); dsi = devm_mipi_dsi_device_register_full(dev, host, &info); if (IS_ERR(dsi)) {
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: 23278bf54afe ("drm/bridge: Introduce LT9611 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> --- drivers/gpu/drm/bridge/lontium-lt9611.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-)