Re: [PATCH] mmc: meson-gx: use devm_clk_get_enabled() for core clock

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On Wed, 15 Feb 2023 at 21:01, Heiner Kallweit <hkallweit1@xxxxxxxxx> wrote:
>
> Use devm_clk_get_enabled() to simplify the code.
>
> Signed-off-by: Heiner Kallweit <hkallweit1@xxxxxxxxx>

Applied for next, thanks!

Kind regards
Uffe


> ---
>  drivers/mmc/host/meson-gx-mmc.c | 17 +++++------------
>  1 file changed, 5 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c
> index 079c52dbe..6ed95c555 100644
> --- a/drivers/mmc/host/meson-gx-mmc.c
> +++ b/drivers/mmc/host/meson-gx-mmc.c
> @@ -155,7 +155,6 @@ struct meson_host {
>         struct  mmc_command     *cmd;
>
>         void __iomem *regs;
> -       struct clk *core_clk;
>         struct clk *mux_clk;
>         struct clk *mmc_clk;
>         unsigned long req_rate;
> @@ -1166,6 +1165,7 @@ static int meson_mmc_probe(struct platform_device *pdev)
>         struct resource *res;
>         struct meson_host *host;
>         struct mmc_host *mmc;
> +       struct clk *core_clk;
>         int cd_irq, ret;
>
>         mmc = devm_mmc_alloc_host(&pdev->dev, sizeof(struct meson_host));
> @@ -1228,17 +1228,13 @@ static int meson_mmc_probe(struct platform_device *pdev)
>                 host->pins_clk_gate = NULL;
>         }
>
> -       host->core_clk = devm_clk_get(&pdev->dev, "core");
> -       if (IS_ERR(host->core_clk))
> -               return PTR_ERR(host->core_clk);
> -
> -       ret = clk_prepare_enable(host->core_clk);
> -       if (ret)
> -               return ret;
> +       core_clk = devm_clk_get_enabled(&pdev->dev, "core");
> +       if (IS_ERR(core_clk))
> +               return PTR_ERR(core_clk);
>
>         ret = meson_mmc_clk_init(host);
>         if (ret)
> -               goto err_core_clk;
> +               return ret;
>
>         /* set config to sane default */
>         meson_mmc_cfg_init(host);
> @@ -1322,8 +1318,6 @@ static int meson_mmc_probe(struct platform_device *pdev)
>         free_irq(host->irq, host);
>  err_init_clk:
>         clk_disable_unprepare(host->mmc_clk);
> -err_core_clk:
> -       clk_disable_unprepare(host->core_clk);
>         return ret;
>  }
>
> @@ -1338,7 +1332,6 @@ static int meson_mmc_remove(struct platform_device *pdev)
>         free_irq(host->irq, host);
>
>         clk_disable_unprepare(host->mmc_clk);
> -       clk_disable_unprepare(host->core_clk);
>
>         return 0;
>  }
> --
> 2.39.1
>



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