Re: [PATCH v3 02/27] Input: gpio-vibra - Simplify with dev_err_probe()

[Andy Shevchenko]

On Thu, Aug 27, 2020 at 9:58 PM Krzysztof Kozlowski <krzk@xxxxxxxxxx> 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 <krzk@xxxxxxxxxx>
> Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx>

Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>

>
> ---
>
> Changes since v1:
> 1. Remove unneeded PTR_ERR_OR_ZERO, as pointed by Andy.
> ---
>  drivers/input/misc/gpio-vibra.c | 20 ++++++--------------
>  1 file changed, 6 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/input/misc/gpio-vibra.c b/drivers/input/misc/gpio-vibra.c
> index f79f75595dd7..13c69f173620 100644
> --- a/drivers/input/misc/gpio-vibra.c
> +++ b/drivers/input/misc/gpio-vibra.c
> @@ -113,22 +113,14 @@ static int gpio_vibrator_probe(struct platform_device *pdev)
>                 return -ENOMEM;
>
>         vibrator->vcc = devm_regulator_get(&pdev->dev, "vcc");
> -       err = PTR_ERR_OR_ZERO(vibrator->vcc);
> -       if (err) {
> -               if (err != -EPROBE_DEFER)
> -                       dev_err(&pdev->dev, "Failed to request regulator: %d\n",
> -                               err);
> -               return err;
> -       }
> +       if (IS_ERR(vibrator->vcc))
> +               return dev_err_probe(&pdev->dev, PTR_ERR(vibrator->vcc),
> +                                    "Failed to request regulator\n");
>
>         vibrator->gpio = devm_gpiod_get(&pdev->dev, "enable", GPIOD_OUT_LOW);
> -       err = PTR_ERR_OR_ZERO(vibrator->gpio);
> -       if (err) {
> -               if (err != -EPROBE_DEFER)
> -                       dev_err(&pdev->dev, "Failed to request main gpio: %d\n",
> -                               err);
> -               return err;
> -       }
> +       if (IS_ERR(vibrator->gpio))
> +               return dev_err_probe(&pdev->dev, PTR_ERR(vibrator->gpio),
> +                                    "Failed to request main gpio\n");
>
>         INIT_WORK(&vibrator->play_work, gpio_vibrator_play_work);
>
> --
> 2.17.1
>


-- 
With Best Regards,
Andy Shevchenko