linux-kernel - Re: [PATCH v2 3/3] mmc: jz4740: Use pm

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Date:   Tue, 21 Apr 2020 12:39:22 +0200
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Paul Cercueil <paul@...pouillou.net>,
        "Rafael J . Wysocki" <rjw@...ysocki.net>
Cc:     Pavel Machek <pavel@....cz>, Len Brown <len.brown@...el.com>,
        od@...c.me,
        "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux PM <linux-pm@...r.kernel.org>
Subject: Re: [PATCH v2 3/3] mmc: jz4740: Use pm_ptr() macro

On Mon, 13 Apr 2020 at 14:32, Paul Cercueil <paul@...pouillou.net> wrote:
>
> Use the newly introduced pm_ptr() macro to simplify the code.
>
> Signed-off-by: Paul Cercueil <paul@...pouillou.net>

To me, the series is a step in the right direction. Perhaps there is a
better name than "pm_ptr", but that's just a nitpick.

That said, feel free to add (for all three patches in the series):
Reviewed-by: Ulf Hansson <ulf.hansson@...aro.org>

Let's see what Rafael thinks about this.

Kind regards
Uffe

> ---
>
> Notes:
>     v2: Use pm_ptr() macro instead of pm_sleep_ptr()
>
>  drivers/mmc/host/jz4740_mmc.c | 12 +++---------
>  1 file changed, 3 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/mmc/host/jz4740_mmc.c b/drivers/mmc/host/jz4740_mmc.c
> index fbae87d1f017..2d41e7e5ec43 100644
> --- a/drivers/mmc/host/jz4740_mmc.c
> +++ b/drivers/mmc/host/jz4740_mmc.c
> @@ -1099,24 +1099,18 @@ static int jz4740_mmc_remove(struct platform_device *pdev)
>         return 0;
>  }
>
> -#ifdef CONFIG_PM_SLEEP
> -
> -static int jz4740_mmc_suspend(struct device *dev)
> +static int __maybe_unused jz4740_mmc_suspend(struct device *dev)
>  {
>         return pinctrl_pm_select_sleep_state(dev);
>  }
>
> -static int jz4740_mmc_resume(struct device *dev)
> +static int __maybe_unused jz4740_mmc_resume(struct device *dev)
>  {
>         return pinctrl_select_default_state(dev);
>  }
>
>  static SIMPLE_DEV_PM_OPS(jz4740_mmc_pm_ops, jz4740_mmc_suspend,
>         jz4740_mmc_resume);
> -#define JZ4740_MMC_PM_OPS (&jz4740_mmc_pm_ops)
> -#else
> -#define JZ4740_MMC_PM_OPS NULL
> -#endif
>
>  static struct platform_driver jz4740_mmc_driver = {
>         .probe = jz4740_mmc_probe,
> @@ -1124,7 +1118,7 @@ static struct platform_driver jz4740_mmc_driver = {
>         .driver = {
>                 .name = "jz4740-mmc",
>                 .of_match_table = of_match_ptr(jz4740_mmc_of_match),
> -               .pm = JZ4740_MMC_PM_OPS,
> +               .pm = pm_ptr(&jz4740_mmc_pm_ops),
>         },
>  };
>
> --
> 2.25.1
>