linux-kernel - Re: [PATCH v1] mmc: sdhci-of-esdhc: use 1/2 periperhal clock for ls1028a

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Message-ID: <CAPDyKFrS94QhxT4mrF_=uSaMTLcJL6wZBj7N12Gq+o772oN4Ug@mail.gmail.com>
Date:   Mon, 17 Jun 2019 13:35:23 +0200
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Yinbo Zhu <yinbo.zhu@....com>
Cc:     Adrian Hunter <adrian.hunter@...el.com>,
        Xiaobo Xie <xiaobo.xie@....com>,
        Jiafei Pan <jiafei.pan@....com>,
        "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Yangbo Lu <yangbo.lu@....com>
Subject: Re: [PATCH v1] mmc: sdhci-of-esdhc: use 1/2 periperhal clock for ls1028a

On Fri, 14 Jun 2019 at 10:28, Yinbo Zhu <yinbo.zhu@....com> wrote:
>
> From: Yangbo Lu <yangbo.lu@....com>
>
> LS1028A used 1/2 periperhal clock as one reference clock.
>
> Signed-off-by: Yangbo Lu <yangbo.lu@....com>

Applied for next, thanks!

Kind regards
Uffe


> ---
>  drivers/mmc/host/sdhci-of-esdhc.c | 9 +++++----
>  1 file changed, 5 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c
> index c56c7d413a09..4dd43b1adf2c 100644
> --- a/drivers/mmc/host/sdhci-of-esdhc.c
> +++ b/drivers/mmc/host/sdhci-of-esdhc.c
> @@ -1048,11 +1048,12 @@ static void esdhc_init(struct platform_device *pdev, struct sdhci_host *host)
>                 /*
>                  * esdhc->peripheral_clock would be assigned with a value
>                  * which is eSDHC base clock when use periperal clock.
> -                * For ls1046a, the clock value got by common clk API is
> -                * peripheral clock while the eSDHC base clock is 1/2
> -                * peripheral clock.
> +                * For some platforms, the clock value got by common clk
> +                * API is peripheral clock while the eSDHC base clock is
> +                * 1/2 peripheral clock.
>                  */
> -               if (of_device_is_compatible(np, "fsl,ls1046a-esdhc"))
> +               if (of_device_is_compatible(np, "fsl,ls1046a-esdhc") ||
> +                   of_device_is_compatible(np, "fsl,ls1028a-esdhc"))
>                         esdhc->peripheral_clock = clk_get_rate(clk) / 2;
>                 else
>                         esdhc->peripheral_clock = clk_get_rate(clk);
> --
> 2.17.1
>