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drm/bridge: tc358767: Use dev_err_probe

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The function calls preceding these returns can return -EPROBE_DEFER. So
use dev_err_probe to add some information to
/sys/kernel/debug/devices_deferred

Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240904120546.1845856-2-alexander.stein@ew.tq-group.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240904120546.1845856-2-alexander.stein@ew.tq-group.com
This commit is contained in:
Alexander Stein 2024-09-04 14:05:43 +02:00 committed by Neil Armstrong
parent 9388ccf699
commit 446967304b
1 changed files with 5 additions and 3 deletions
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8
drivers/gpu/drm/bridge/tc358767.c
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@ -2298,7 +2298,8 @@ static int tc_probe_dpi_bridge_endpoint(struct tc_data *tc)
/* port@1 is the DPI input/output port */
ret = drm_of_find_panel_or_bridge(dev->of_node, 1, 0, &panel, &bridge);
if (ret && ret != -ENODEV)
return ret;
return dev_err_probe(dev, ret,
"Could not find DPI panel or bridge\n");
if (panel) {
bridge = devm_drm_panel_bridge_add(dev, panel);
@ -2326,7 +2327,8 @@ static int tc_probe_edp_bridge_endpoint(struct tc_data *tc)
/* port@2 is the output port */
ret = drm_of_find_panel_or_bridge(dev->of_node, 2, 0, &panel, NULL);
if (ret && ret != -ENODEV)
return ret;
return dev_err_probe(dev, ret,
"Could not find DSI panel or bridge\n");
if (panel) {
struct drm_bridge *panel_bridge;
@ -2550,7 +2552,7 @@ static int tc_probe(struct i2c_client *client)
ret = tc_mipi_dsi_host_attach(tc);
if (ret) {
drm_bridge_remove(&tc->bridge);
return ret;
return dev_err_probe(dev, ret, "Failed to attach DSI host\n");
}
}