linux-kernel - Re: [PATCH v2 3/5] [RFC] soc: mediatek: Use GENPD_FLAG_ACTIVE

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Date:   Thu, 2 Nov 2017 12:32:10 +0100
From:   Matthias Brugger <matthias.bgg@...il.com>
To:     Geert Uytterhoeven <geert+renesas@...der.be>,
        "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Kevin Hilman <khilman@...nel.org>
Cc:     Simon Horman <horms@...ge.net.au>,
        Magnus Damm <magnus.damm@...il.com>,
        Heiko Stuebner <heiko@...ech.de>, linux-pm@...r.kernel.org,
        linux-mediatek@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org,
        linux-renesas-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 3/5] [RFC] soc: mediatek: Use GENPD_FLAG_ACTIVE_WAKEUP



On 10/31/2017 07:11 PM, Geert Uytterhoeven wrote:
> Set the newly introduced GENPD_FLAG_ACTIVE_WAKEUP, which allows to
> remove the driver's own flag-based callback.
> 
> Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
> ---
> This must not be applied before "PM / Domain: Enable genpd users to
> specify default active wakeup behavior" has landed upstream, hence the
> "RFC".
> 
> Compile-tested only.
> 
> v2:
>   - New.
> ---
>  drivers/soc/mediatek/mtk-scpsys.c | 14 ++------------
>  1 file changed, 2 insertions(+), 12 deletions(-)
> 

Acked-by: Matthias Brugger <matthias.bgg@...il.com>

> diff --git a/drivers/soc/mediatek/mtk-scpsys.c b/drivers/soc/mediatek/mtk-scpsys.c
> index e1ce8b1b5090aa0a..e570b6af2e6ffbdd 100644
> --- a/drivers/soc/mediatek/mtk-scpsys.c
> +++ b/drivers/soc/mediatek/mtk-scpsys.c
> @@ -361,17 +361,6 @@ static int scpsys_power_off(struct generic_pm_domain *genpd)
>  	return ret;
>  }
>  
> -static bool scpsys_active_wakeup(struct device *dev)
> -{
> -	struct generic_pm_domain *genpd;
> -	struct scp_domain *scpd;
> -
> -	genpd = pd_to_genpd(dev->pm_domain);
> -	scpd = container_of(genpd, struct scp_domain, genpd);
> -
> -	return scpd->data->active_wakeup;
> -}
> -
>  static void init_clks(struct platform_device *pdev, struct clk **clk)
>  {
>  	int i;
> @@ -466,7 +455,8 @@ static struct scp *init_scp(struct platform_device *pdev,
>  		genpd->name = data->name;
>  		genpd->power_off = scpsys_power_off;
>  		genpd->power_on = scpsys_power_on;
> -		genpd->dev_ops.active_wakeup = scpsys_active_wakeup;
> +		if (scpd->data->active_wakeup)
> +			genpd->flags |= GENPD_FLAG_ACTIVE_WAKEUP;
>  	}
>  
>  	return scp;
>