drm/bridge: sii902x: Use dev_err_probe

tq-steina · superna9999 · commit f8593120e321 · 2023-01-19T08:41:41.000+01:00
This helps figuring out why the device probe is deferred. Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com> Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230117105903.2068235-1-alexander.stein@ew.tq-group.com
diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c
@@ -1116,7 +1116,8 @@ static int sii902x_probe(struct i2c_client *client)
 		sii902x->next_bridge = of_drm_find_bridge(remote);
 		of_node_put(remote);
 		if (!sii902x->next_bridge)
-			return -EPROBE_DEFER;
+			return dev_err_probe(dev, -EPROBE_DEFER,
+					     "Failed to find remote bridge\n");
 	}
 
 	mutex_init(&sii902x->mutex);

Original file line number	Diff line number	Diff line change
`@@ -1116,7 +1116,8 @@ static int sii902x_probe(struct i2c_client *client)`
`1116`	`1116`	`sii902x->next_bridge = of_drm_find_bridge(remote);`
`1117`	`1117`	`of_node_put(remote);`
`1118`	`1118`	`if (!sii902x->next_bridge)`
`1119`		`- return -EPROBE_DEFER;`
	`1119`	`+ return dev_err_probe(dev, -EPROBE_DEFER,`
	`1120`	`+ "Failed to find remote bridge\n");`
`1120`	`1121`	`}`
`1121`	`1122`
`1122`	`1123`	`mutex_init(&sii902x->mutex);`