On Mon, Sep 26, 2022 at 10:24:47PM +0800, Yang Yingliang wrote: > 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. It's more simple in error path. > > Signed-off-by: Yang Yingliang <[email protected]> > --- > v2: > Remove "Error: " in error meassage > --- > drivers/video/backlight/gpio_backlight.c | 10 +++------- > 1 file changed, 3 insertions(+), 7 deletions(-) > > diff --git a/drivers/video/backlight/gpio_backlight.c > b/drivers/video/backlight/gpio_backlight.c > index 6f78d928f054..4ff3939e5f7e 100644 > --- a/drivers/video/backlight/gpio_backlight.c > +++ b/drivers/video/backlight/gpio_backlight.c > @@ -64,13 +64,9 @@ static int gpio_backlight_probe(struct platform_device > *pdev) > def_value = device_property_read_bool(dev, "default-on"); > > gbl->gpiod = devm_gpiod_get(dev, NULL, GPIOD_ASIS); > - if (IS_ERR(gbl->gpiod)) { > - ret = PTR_ERR(gbl->gpiod); > - if (ret != -EPROBE_DEFER) > - dev_err(dev, > - "Error: The gpios parameter is missing or > invalid.\n"); > - return ret; > - } > + if (IS_ERR(gbl->gpiod)) > + return dev_err_probe(dev, PTR_ERR(gbl->gpiod), > + "The gpios parameter is missing or > invalid.\n");
Why keep the leading "The " ? Daniel.
