On 04/03/2024 11:40, Daniel Thompson wrote: > On Mon, Mar 04, 2024 at 11:11:38AM +0100, Krzysztof Kozlowski wrote: >> Common pattern of handling deferred probe can be simplified with >> dev_err_probe(). Less code and also it prints the error value. >> >> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> >> --- >> 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 d28c30b2a35d..9f960f853b6e 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), >> + "Error: The gpios parameter is missing or invalid.\n"); > > The "Error: " should be removed from the string. dev_err_probe() already prints > that. Sure. Best regards, Krzysztof