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, and the error value gets printed.
Signed-off-by: Cai Huoqing caihuoqing@baidu.com --- .../drm/panel/panel-feiyang-fy07024di26a30d.c | 21 ++++++++----------- 1 file changed, 9 insertions(+), 12 deletions(-)
diff --git a/drivers/gpu/drm/panel/panel-feiyang-fy07024di26a30d.c b/drivers/gpu/drm/panel/panel-feiyang-fy07024di26a30d.c index 581661b506f8..acb439fbe59b 100644 --- a/drivers/gpu/drm/panel/panel-feiyang-fy07024di26a30d.c +++ b/drivers/gpu/drm/panel/panel-feiyang-fy07024di26a30d.c @@ -200,22 +200,19 @@ static int feiyang_dsi_probe(struct mipi_dsi_device *dsi) DRM_MODE_CONNECTOR_DSI);
ctx->dvdd = devm_regulator_get(&dsi->dev, "dvdd"); - if (IS_ERR(ctx->dvdd)) { - dev_err(&dsi->dev, "Couldn't get dvdd regulator\n"); - return PTR_ERR(ctx->dvdd); - } + if (IS_ERR(ctx->dvdd)) + return dev_err_probe(&dsi->dev, PTR_ERR(ctx->dvdd), + "Couldn't get dvdd regulator\n");
ctx->avdd = devm_regulator_get(&dsi->dev, "avdd"); - if (IS_ERR(ctx->avdd)) { - dev_err(&dsi->dev, "Couldn't get avdd regulator\n"); - return PTR_ERR(ctx->avdd); - } + if (IS_ERR(ctx->avdd)) + return dev_err_probe(&dsi->dev, PTR_ERR(ctx->avdd), + "Couldn't get avdd regulator\n");
ctx->reset = devm_gpiod_get(&dsi->dev, "reset", GPIOD_OUT_LOW); - if (IS_ERR(ctx->reset)) { - dev_err(&dsi->dev, "Couldn't get our reset GPIO\n"); - return PTR_ERR(ctx->reset); - } + if (IS_ERR(ctx->reset)) + return dev_err_probe(&dsi->dev, PTR_ERR(ctx->reset), + "Couldn't get our reset GPIO\n");
ret = drm_panel_of_backlight(&ctx->panel); if (ret)