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>
---
.../gpu/drm/panel/panel-leadtek-ltk050h3146w.c | 18 ++++++------------
1 file changed, 6 insertions(+), 12 deletions(-)
diff --git a/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c b/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c
index 5619f186d28c..9b59edfbc98b 100644
--- a/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c
+++ b/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c
@@ -571,20 +571,14 @@ static int ltk050h3146w_probe(struct mipi_dsi_device *dsi)
}
ctx->vci = devm_regulator_get(dev, "vci");
- if (IS_ERR(ctx->vci)) {
- ret = PTR_ERR(ctx->vci);
- if (ret != -EPROBE_DEFER)
- dev_err(dev, "Failed to request vci regulator: %d\n", ret);
- return ret;
- }
+ if (IS_ERR(ctx->vci))
+ return dev_err_probe(dev, PTR_ERR(ctx->vci),
+ "Failed to request vci regulator\n");
ctx->iovcc = devm_regulator_get(dev, "iovcc");
- if (IS_ERR(ctx->iovcc)) {
- ret = PTR_ERR(ctx->iovcc);
- if (ret != -EPROBE_DEFER)
- dev_err(dev, "Failed to request iovcc regulator: %d\n", ret);
- return ret;
- }
+ if (IS_ERR(ctx->iovcc))
+ return dev_err_probe(dev, PTR_ERR(ctx->iovcc),
+ "Failed to request iovcc regulator\n");
mipi_dsi_set_drvdata(dsi, ctx);
--
2.17.1
