Re: [PATCH v2 04/18] iio: adc: exynos_adc: Simplify with dev_err_probe()

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On Thu, Aug 27, 2020 at 10:27 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.

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

> Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
>
> ---
>
> Changes since v1:
> 1. Wrap dev_err_probe() lines at 100 character
> ---
>  drivers/iio/adc/exynos_adc.c | 9 ++-------
>  1 file changed, 2 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/iio/adc/exynos_adc.c b/drivers/iio/adc/exynos_adc.c
> index 7d23b6c33284..40585a96c848 100644
> --- a/drivers/iio/adc/exynos_adc.c
> +++ b/drivers/iio/adc/exynos_adc.c
> @@ -844,13 +844,8 @@ static int exynos_adc_probe(struct platform_device *pdev)
>         }
>
>         info->vdd = devm_regulator_get(&pdev->dev, "vdd");
> -       if (IS_ERR(info->vdd)) {
> -               if (PTR_ERR(info->vdd) != -EPROBE_DEFER)
> -                       dev_err(&pdev->dev,
> -                               "failed getting regulator, err = %ld\n",
> -                               PTR_ERR(info->vdd));
> -               return PTR_ERR(info->vdd);
> -       }
> +       if (IS_ERR(info->vdd))
> +               return dev_err_probe(&pdev->dev, PTR_ERR(info->vdd), "failed getting regulator");
>
>         ret = regulator_enable(info->vdd);
>         if (ret)
> --
> 2.17.1
>


-- 
With Best Regards,
Andy Shevchenko



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