In the probe path, dev_err() can be replaced with dev_err_probe()
which will check if error code is -EPROBE_DEFER and prints the
error name. It also sets the defer probe reason which can be
checked later through debugfs.
Signed-off-by: Yuan Can <yuancan@xxxxxxxxxx>
---
drivers/gpu/drm/panel/panel-lvds.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/panel/panel-lvds.c b/drivers/gpu/drm/panel/panel-lvds.c
index de8758c30e6e..e2ed96770abc 100644
--- a/drivers/gpu/drm/panel/panel-lvds.c
+++ b/drivers/gpu/drm/panel/panel-lvds.c
@@ -178,12 +178,9 @@ static int panel_lvds_probe(struct platform_device *pdev)
if (IS_ERR(lvds->supply)) {
ret = PTR_ERR(lvds->supply);
- if (ret != -ENODEV) {
- if (ret != -EPROBE_DEFER)
- dev_err(lvds->dev, "failed to request regulator: %d\n",
- ret);
- return ret;
- }
+ if (ret != -ENODEV)
+ return dev_err_probe(lvds->dev, ret,
+ "failed to request regulator\n");
lvds->supply = NULL;
}
--
2.17.1
