linux-kernel - Re: [PATCH] mmc: sunxi-mmc: Ensure host is suspended during system sleep

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Message-ID: <CAPDyKFofFTSZOP=0n_-Qn9RX11cOB1kiJZe8CV3oQ_gSO_Za7w@mail.gmail.com>
Date:   Wed, 13 Jan 2021 12:32:55 +0100
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Samuel Holland <samuel@...lland.org>
Cc:     Maxime Ripard <mripard@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] mmc: sunxi-mmc: Ensure host is suspended during system sleep

On Wed, 13 Jan 2021 at 06:24, Samuel Holland <samuel@...lland.org> wrote:
>
> If the device suspend process begins before the mmc host's autosuspend
> timeout, the host will continue running during system sleep. Avoid
> this by forcing runtime suspend during a global suspend transition.
>
> Signed-off-by: Samuel Holland <samuel@...lland.org>

Applied for next, thanks!

Kind regards
Uffe

> ---
>  drivers/mmc/host/sunxi-mmc.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c
> index 6310693f2ac0..cfee8db7b76d 100644
> --- a/drivers/mmc/host/sunxi-mmc.c
> +++ b/drivers/mmc/host/sunxi-mmc.c
> @@ -1507,6 +1507,8 @@ static int sunxi_mmc_runtime_suspend(struct device *dev)
>  #endif
>
>  static const struct dev_pm_ops sunxi_mmc_pm_ops = {
> +       SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
> +                               pm_runtime_force_resume)
>         SET_RUNTIME_PM_OPS(sunxi_mmc_runtime_suspend,
>                            sunxi_mmc_runtime_resume,
>                            NULL)
> --
> 2.26.2
>