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.
Daniel.
