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From:   Andy Shevchenko <andy.shevchenko@gmail.com>
Date:   Thu, 27 Aug 2020 22:54:45 +0300
Message-ID: <CAHp75VeH1dcn7TzdWf7N5kQ2EQeBXFyXRpRHBb4TyUrx+g4q8A@mail.gmail.com>
Subject: Re: [PATCH v2 09/18] iio: afe: iio-rescale: Simplify with dev_err_probe()
To:     Krzysztof Kozlowski <krzk@kernel.org>
Cc:     Jonathan Cameron <jic23@kernel.org>,
        Hartmut Knaack <knaack.h@gmx.de>,
        Lars-Peter Clausen <lars@metafoo.de>,
        Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
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        Michael Hennerich <Michael.Hennerich@analog.com>,
        Kevin Hilman <khilman@baylibre.com>,
        Neil Armstrong <narmstrong@baylibre.com>,
        Jerome Brunet <jbrunet@baylibre.com>,
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On Thu, Aug 27, 2020 at 10:28 PM Krzysztof Kozlowski <krzk@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@gmail.com>

> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
>
> ---
>
> Changes since v1:
> 1. Wrap dev_err_probe() lines at 100 character
> ---
>  drivers/iio/afe/iio-rescale.c | 7 ++-----
>  1 file changed, 2 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/iio/afe/iio-rescale.c b/drivers/iio/afe/iio-rescale.c
> index 69c0f277ada0..8cd9645c50e8 100644
> --- a/drivers/iio/afe/iio-rescale.c
> +++ b/drivers/iio/afe/iio-rescale.c
> @@ -276,11 +276,8 @@ static int rescale_probe(struct platform_device *pdev)
>         int ret;
>
>         source = devm_iio_channel_get(dev, NULL);
> -       if (IS_ERR(source)) {
> -               if (PTR_ERR(source) != -EPROBE_DEFER)
> -                       dev_err(dev, "failed to get source channel\n");
> -               return PTR_ERR(source);
> -       }
> +       if (IS_ERR(source))
> +               return dev_err_probe(dev, PTR_ERR(source), "failed to get source channel\n");
>
>         sizeof_ext_info = iio_get_channel_ext_info_count(source);
>         if (sizeof_ext_info) {
> --
> 2.17.1
>


-- 
With Best Regards,
Andy Shevchenko