linux-kernel - Re: [PATCH v2 06/18] iio: adc: meson_saradc: Simplify with dev_err

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Date:   Thu, 27 Aug 2020 22:48:56 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Krzysztof Kozlowski <krzk@...nel.org>
Cc:     Jonathan Cameron <jic23@...nel.org>,
        Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Peter Rosin <peda@...ntia.se>, Kukjin Kim <kgene@...nel.org>,
        Michael Hennerich <Michael.Hennerich@...log.com>,
        Kevin Hilman <khilman@...libre.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Marek Vasut <marek.vasut@...il.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Beniamin Bia <beniamin.bia@...log.com>,
        Tomasz Duszynski <tomasz.duszynski@...akon.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-iio <linux-iio@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-arm Mailing List <linux-arm-kernel@...ts.infradead.org>,
        linux-samsung-soc@...r.kernel.org,
        linux-amlogic@...ts.infradead.org,
        linux-stm32@...md-mailman.stormreply.com
Subject: Re: [PATCH v2 06/18] iio: adc: meson_saradc: Simplify with dev_err_probe()

On Thu, Aug 27, 2020 at 10:28 PM Krzysztof Kozlowski <krzk@...nel.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@...il.com>

> Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
> ---
>  drivers/iio/adc/meson_saradc.c | 7 ++-----
>  1 file changed, 2 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/iio/adc/meson_saradc.c b/drivers/iio/adc/meson_saradc.c
> index 93c2252c0b89..a9d06e8a576a 100644
> --- a/drivers/iio/adc/meson_saradc.c
> +++ b/drivers/iio/adc/meson_saradc.c
> @@ -719,11 +719,8 @@ static int meson_sar_adc_temp_sensor_init(struct iio_dev *indio_dev)
>                 if (ret == -ENODEV)
>                         return 0;
>
> -               if (ret != -EPROBE_DEFER)
> -                       dev_err(indio_dev->dev.parent,
> -                               "failed to get temperature_calib cell\n");
> -
> -               return ret;
> +               return dev_err_probe(indio_dev->dev.parent, ret,
> +                                    "failed to get temperature_calib cell\n");
>         }
>
>         priv->tsc_regmap =
> --
> 2.17.1
>


-- 
With Best Regards,
Andy Shevchenko