linux-kernel - Re: [PATCH v2 14/18] iio: light: isl29018: Simplify with dev_err

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Date:   Thu, 27 Aug 2020 23:00:05 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Krzysztof Kozlowski <krzk@...nel.org>
Cc:     Jonathan Cameron <jic23@...nel.org>,
        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>,
        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 14/18] iio: light: isl29018: 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/light/isl29018.c | 9 +++------
>  1 file changed, 3 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/iio/light/isl29018.c b/drivers/iio/light/isl29018.c
> index ac8ad0f32689..2689867467a8 100644
> --- a/drivers/iio/light/isl29018.c
> +++ b/drivers/iio/light/isl29018.c
> @@ -746,12 +746,9 @@ static int isl29018_probe(struct i2c_client *client,
>         chip->suspended = false;
>
>         chip->vcc_reg = devm_regulator_get(&client->dev, "vcc");
> -       if (IS_ERR(chip->vcc_reg)) {
> -               err = PTR_ERR(chip->vcc_reg);
> -               if (err != -EPROBE_DEFER)
> -                       dev_err(&client->dev, "failed to get VCC regulator!\n");
> -               return err;
> -       }
> +       if (IS_ERR(chip->vcc_reg))
> +               return dev_err_probe(&client->dev, PTR_ERR(chip->vcc_reg),
> +                                    "failed to get VCC regulator!\n");
>
>         err = regulator_enable(chip->vcc_reg);
>         if (err) {
> --
> 2.17.1
>


-- 
With Best Regards,
Andy Shevchenko