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@baidu.com --- drivers/gpu/drm/panel/panel-samsung-sofef00.c | 16 ++++++---------- 1 file changed, 6 insertions(+), 10 deletions(-)
diff --git a/drivers/gpu/drm/panel/panel-samsung-sofef00.c b/drivers/gpu/drm/panel/panel-samsung-sofef00.c index 8cb1853574bb..b5fe145bf72c 100644 --- a/drivers/gpu/drm/panel/panel-samsung-sofef00.c +++ b/drivers/gpu/drm/panel/panel-samsung-sofef00.c @@ -270,18 +270,14 @@ static int sofef00_panel_probe(struct mipi_dsi_device *dsi) }
ctx->supply = devm_regulator_get(dev, "vddio"); - if (IS_ERR(ctx->supply)) { - ret = PTR_ERR(ctx->supply); - dev_err(dev, "Failed to get vddio regulator: %d\n", ret); - return ret; - } + if (IS_ERR(ctx->supply)) + return dev_err_probe(dev, PTR_ERR(ctx->supply), + "Failed to get vddio regulator\n");
ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); - if (IS_ERR(ctx->reset_gpio)) { - ret = PTR_ERR(ctx->reset_gpio); - dev_warn(dev, "Failed to get reset-gpios: %d\n", ret); - return ret; - } + if (IS_ERR(ctx->reset_gpio)) + return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio), + "Failed to get reset-gpios\n");
ctx->dsi = dsi; mipi_dsi_set_drvdata(dsi, ctx);