linux-kernel - Re: [PATCH 1/5] mmc: dw_mmc: exynos: Obviously always return success in remove callback

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Message-ID: <CAPDyKFr35sr7RFpv4S0eosY4BT1r0te083rdan_tRq0T+7agJA@mail.gmail.com>
Date:   Wed, 15 Jun 2022 10:32:57 -0700
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>
Cc:     Jaehoon Chung <jh80.chung@...sung.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        kernel@...gutronix.de, Alim Akhtar <alim.akhtar@...sung.com>,
        linux-mmc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/5] mmc: dw_mmc: exynos: Obviously always return success
 in remove callback

On Fri, 10 Jun 2022 at 14:13, Uwe Kleine-König
<u.kleine-koenig@...gutronix.de> wrote:
>
> dw_mci_pltfm_remove() returns 0 unconditionally and returning an error
> in a platform remove callback isn't very sensible. (The only effect of
> the latter is that the device core emits a generic warning and then
> removes the device anyhow.)
>
> So return 0 unconditionally to make it obvious there is no error
> forwarded to the upper layers.
>
> This is a preparation for making platform remove callbacks return void.
>
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>

This one and the other 4 patches in the series, applied for next. Thanks!

Kind regards
Uffe


> ---
>  drivers/mmc/host/dw_mmc-exynos.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/host/dw_mmc-exynos.c b/drivers/mmc/host/dw_mmc-exynos.c
> index ca5be4445ae0..9f20ac524c8b 100644
> --- a/drivers/mmc/host/dw_mmc-exynos.c
> +++ b/drivers/mmc/host/dw_mmc-exynos.c
> @@ -670,7 +670,9 @@ static int dw_mci_exynos_remove(struct platform_device *pdev)
>         pm_runtime_set_suspended(&pdev->dev);
>         pm_runtime_put_noidle(&pdev->dev);
>
> -       return dw_mci_pltfm_remove(pdev);
> +       dw_mci_pltfm_remove(pdev);
> +
> +       return 0;
>  }
>
>  static const struct dev_pm_ops dw_mci_exynos_pmops = {
>
> base-commit: f2906aa863381afb0015a9eb7fefad885d4e5a56
> --
> 2.36.1
>