[PATCH v2 1/3] drm/bridge: tc358767: Use dev_err_probe

[Alexander Stein]

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.st...@ew.tq-group.com>
---
 drivers/gpu/drm/bridge/tc358767.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/bridge/tc358767.c 
b/drivers/gpu/drm/bridge/tc358767.c
index 99e8a8cf29f5b..de62a7e2eafec 100644
--- a/drivers/gpu/drm/bridge/tc358767.c
+++ b/drivers/gpu/drm/bridge/tc358767.c
@@ -2215,7 +2215,8 @@ 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);
@@ -2243,7 +2244,8 @@ 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;
@@ -2455,7 +2457,7 @@ 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");
                }
        }
 
-- 
2.34.1