Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
MIME-Version: 1.0
References: <20200827192642.1725-1-krzk@kernel.org> <20200827192642.1725-4-krzk@kernel.org>
In-Reply-To: <20200827192642.1725-4-krzk@kernel.org>
From:   Andy Shevchenko <andy.shevchenko@gmail.com>
Date:   Thu, 27 Aug 2020 22:46:37 +0300
Message-ID: <CAHp75VcKctq6pAw+D5fYMtASGP_NuYOf4GJ+8t=Otxf_RVjKyA@mail.gmail.com>
Subject: Re: [PATCH v2 04/18] iio: adc: exynos_adc: 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>,
        Peter Rosin <peda@axentia.se>, Kukjin Kim <kgene@kernel.org>,
        Michael Hennerich <Michael.Hennerich@analog.com>,
        Kevin Hilman <khilman@baylibre.com>,
        Neil Armstrong <narmstrong@baylibre.com>,
        Jerome Brunet <jbrunet@baylibre.com>,
        Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
        Marek Vasut <marek.vasut@gmail.com>,
        Maxime Coquelin <mcoquelin.stm32@gmail.com>,
        Alexandre Torgue <alexandre.torgue@st.com>,
        Beniamin Bia <beniamin.bia@analog.com>,
        Tomasz Duszynski <tomasz.duszynski@octakon.com>,
        Linus Walleij <linus.walleij@linaro.org>,
        linux-iio <linux-iio@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        linux-arm Mailing List <linux-arm-kernel@lists.infradead.org>,
        linux-samsung-soc@vger.kernel.org,
        linux-amlogic@lists.infradead.org,
        linux-stm32@st-md-mailman.stormreply.com
Content-Type: text/plain; charset="UTF-8"
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Thu, Aug 27, 2020 at 10:27 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/adc/exynos_adc.c | 9 ++-------
>  1 file changed, 2 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/iio/adc/exynos_adc.c b/drivers/iio/adc/exynos_adc.c
> index 7d23b6c33284..40585a96c848 100644
> --- a/drivers/iio/adc/exynos_adc.c
> +++ b/drivers/iio/adc/exynos_adc.c
> @@ -844,13 +844,8 @@ static int exynos_adc_probe(struct platform_device *pdev)
>         }
>
>         info->vdd = devm_regulator_get(&pdev->dev, "vdd");
> -       if (IS_ERR(info->vdd)) {
> -               if (PTR_ERR(info->vdd) != -EPROBE_DEFER)
> -                       dev_err(&pdev->dev,
> -                               "failed getting regulator, err = %ld\n",
> -                               PTR_ERR(info->vdd));
> -               return PTR_ERR(info->vdd);
> -       }
> +       if (IS_ERR(info->vdd))
> +               return dev_err_probe(&pdev->dev, PTR_ERR(info->vdd), "failed getting regulator");
>
>         ret = regulator_enable(info->vdd);
>         if (ret)
> --
> 2.17.1
>


-- 
With Best Regards,
Andy Shevchenko