linux-kernel - Re: [PATCH 08/24] Input: elan_i2c

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Message-ID: <CAHp75Vedvy73_uSoKpm=w2sgSWX8kzejhYF4Azc6Vh4T7hXEmg@mail.gmail.com>
Date:   Thu, 27 Aug 2020 12:09:10 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Krzysztof Kozlowski <krzk@...nel.org>
Cc:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Hans de Goede <hdegoede@...hat.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bastien Nocera <hadess@...ess.net>,
        Sangwon Jee <jeesw@...fas.com>,
        Eugen Hristev <eugen.hristev@...rochip.com>,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-input <linux-input@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Platform Driver <platform-driver-x86@...r.kernel.org>
Subject: Re: [PATCH 08/24] Input: elan_i2c - Simplify with dev_err_probe()

On Wed, Aug 26, 2020 at 9:20 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/input/mouse/elan_i2c_core.c | 9 ++-------
>  1 file changed, 2 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c
> index c599e21a8478..d703b0d5a3bd 100644
> --- a/drivers/input/mouse/elan_i2c_core.c
> +++ b/drivers/input/mouse/elan_i2c_core.c
> @@ -1229,13 +1229,8 @@ static int elan_probe(struct i2c_client *client,
>         mutex_init(&data->sysfs_mutex);
>
>         data->vcc = devm_regulator_get(dev, "vcc");
> -       if (IS_ERR(data->vcc)) {
> -               error = PTR_ERR(data->vcc);
> -               if (error != -EPROBE_DEFER)
> -                       dev_err(dev, "Failed to get 'vcc' regulator: %d\n",
> -                               error);
> -               return error;
> -       }
> +       if (IS_ERR(data->vcc))
> +               return dev_err_probe(dev, PTR_ERR(data->vcc), "Failed to get 'vcc' regulator\n");
>
>         error = regulator_enable(data->vcc);
>         if (error) {
> --
> 2.17.1
>


-- 
With Best Regards,
Andy Shevchenko