[PATCH v2 05/18] iio: adc: ltc2497: Simplify with dev_err_probe()

[Andy Shevchenko]

On Thu, Aug 27, 2020 at 10:27 PM Krzysztof Kozlowski <krzk at kernel.org> 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 at gmail.com>

> Signed-off-by: Krzysztof Kozlowski <krzk at kernel.org>
>
> ---
>
> Changes since v1:
> 1. Wrap dev_err_probe() lines at 100 character
> ---
>  drivers/iio/adc/ltc2497-core.c | 9 ++-------
>  1 file changed, 2 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/iio/adc/ltc2497-core.c b/drivers/iio/adc/ltc2497-core.c
> index 9b8fd9c32364..d337ed96bbb0 100644
> --- a/drivers/iio/adc/ltc2497-core.c
> +++ b/drivers/iio/adc/ltc2497-core.c
> @@ -180,13 +180,8 @@ int ltc2497core_probe(struct device *dev, struct iio_dev *indio_dev)
>                 return ret;
>
>         ddata->ref = devm_regulator_get(dev, "vref");
> -       if (IS_ERR(ddata->ref)) {
> -               if (PTR_ERR(ddata->ref) != -EPROBE_DEFER)
> -                       dev_err(dev, "Failed to get vref regulator: %pe\n",
> -                               ddata->ref);
> -
> -               return PTR_ERR(ddata->ref);
> -       }
> +       if (IS_ERR(ddata->ref))
> +               return dev_err_probe(dev, PTR_ERR(ddata->ref), "Failed to get vref regulator\n");
>
>         ret = regulator_enable(ddata->ref);
>         if (ret < 0) {
> --
> 2.17.1
>


-- 
With Best Regards,
Andy Shevchenko