When possible use dev_err_probe help to properly deal with the
PROBE_DEFER error, the benefit is that DEFER issue will be logged
in the devices_deferred debugfs file.
And using dev_err_probe() can reduce code size, the error value
gets printed.
Signed-off-by: Cai Huoqing <caihuoqing@xxxxxxxxx>
---
.../gpu/drm/panel/panel-samsung-s6e63j0x03.c | 21 +++++++------------
1 file changed, 8 insertions(+), 13 deletions(-)
diff --git a/drivers/gpu/drm/panel/panel-samsung-s6e63j0x03.c b/drivers/gpu/drm/panel/panel-samsung-s6e63j0x03.c
index ccc8ed6fe3ae..e38262b67ff7 100644
--- a/drivers/gpu/drm/panel/panel-samsung-s6e63j0x03.c
+++ b/drivers/gpu/drm/panel/panel-samsung-s6e63j0x03.c
@@ -452,27 +452,22 @@ static int s6e63j0x03_probe(struct mipi_dsi_device *dsi)
ctx->supplies[1].supply = "vci";
ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(ctx->supplies),
ctx->supplies);
- if (ret < 0) {
- dev_err(dev, "failed to get regulators: %d\n", ret);
- return ret;
- }
+ if (ret < 0)
+ return dev_err_probe(dev, ret, "failed to get regulators\n");
ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
- if (IS_ERR(ctx->reset_gpio)) {
- dev_err(dev, "cannot get reset-gpio: %ld\n",
- PTR_ERR(ctx->reset_gpio));
- return PTR_ERR(ctx->reset_gpio);
- }
+ if (IS_ERR(ctx->reset_gpio))
+ return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio),
+ "cannot get reset-gpio\n");
drm_panel_init(&ctx->panel, dev, &s6e63j0x03_funcs,
DRM_MODE_CONNECTOR_DSI);
ctx->bl_dev = backlight_device_register("s6e63j0x03", dev, ctx,
&s6e63j0x03_bl_ops, NULL);
- if (IS_ERR(ctx->bl_dev)) {
- dev_err(dev, "failed to register backlight device\n");
- return PTR_ERR(ctx->bl_dev);
- }
+ if (IS_ERR(ctx->bl_dev))
+ return dev_err_probe(dev, PTR_ERR(ctx->bl_dev),
+ "failed to register backlight device\n");
ctx->bl_dev->props.max_brightness = MAX_BRIGHTNESS;
ctx->bl_dev->props.brightness = DEFAULT_BRIGHTNESS;
--
2.25.1
