linux-kernel - Re: [PATCH v10 1/2] mmc : sdhci-of-dwcmshc : add error handling in dwcmshc

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Message-ID: <CAPDyKFofKO_B8h5QY0c_XGaEQQdAeXw8iv52+J+NbJghRhXPWA@mail.gmail.com>
Date:   Thu, 24 Aug 2023 13:00:26 +0200
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Liming Sun <limings@...dia.com>
Cc:     Adrian Hunter <adrian.hunter@...el.com>,
        David Thompson <davthompson@...dia.com>,
        Shawn Lin <shawn.lin@...k-chips.com>,
        linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v10 1/2] mmc : sdhci-of-dwcmshc : add error handling in dwcmshc_resume

On Tue, 22 Aug 2023 at 21:59, Liming Sun <limings@...dia.com> wrote:
>
> This commit adds handling in dwcmshc_resume() for different error
> cases.
>
> Signed-off-by: Liming Sun <limings@...dia.com>

Applied for next (I amended the patch according to Adrian's
suggestions), thanks!

Kind regards
Uffe


> ---
>  drivers/mmc/host/sdhci-of-dwcmshc.c | 21 ++++++++++++++++++---
>  1 file changed, 18 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/mmc/host/sdhci-of-dwcmshc.c b/drivers/mmc/host/sdhci-of-dwcmshc.c
> index 31c1892f4ecd..bc332a035032 100644
> --- a/drivers/mmc/host/sdhci-of-dwcmshc.c
> +++ b/drivers/mmc/host/sdhci-of-dwcmshc.c
> @@ -630,17 +630,32 @@ static int dwcmshc_resume(struct device *dev)
>         if (!IS_ERR(priv->bus_clk)) {
>                 ret = clk_prepare_enable(priv->bus_clk);
>                 if (ret)
> -                       return ret;
> +                       goto disable_clk;
>         }
>
>         if (rk_priv) {
>                 ret = clk_bulk_prepare_enable(RK35xx_MAX_CLKS,
>                                               rk_priv->rockchip_clks);
>                 if (ret)
> -                       return ret;
> +                       goto disable_bus_clk;
>         }
>
> -       return sdhci_resume_host(host);
> +       ret = sdhci_resume_host(host);
> +       if (ret)
> +               goto disable_rockchip_clks;
> +
> +       return 0;
> +
> +disable_rockchip_clks:
> +       if (rk_priv)
> +               clk_bulk_disable_unprepare(RK35xx_MAX_CLKS,
> +                                          rk_priv->rockchip_clks);
> +disable_bus_clk:
> +       if (!IS_ERR(priv->bus_clk))
> +               clk_disable_unprepare(priv->bus_clk);
> +disable_clk:
> +       clk_disable_unprepare(pltfm_host->clk);
> +       return ret;
>  }
>  #endif
>
> --
> 2.30.1
>