linux-kernel - Re: [PATCH v2 1/5] PM / Domains: Allow genpd users to specify default active wakeup behavior

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Message-ID: <7ha804lr2a.fsf@baylibre.com>
Date:   Thu, 02 Nov 2017 14:59:25 +0100
From:   Kevin Hilman <khilman@...libre.com>
To:     Geert Uytterhoeven <geert+renesas@...der.be>
Cc:     "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Simon Horman <horms@...ge.net.au>,
        Magnus Damm <magnus.damm@...il.com>,
        Matthias Brugger <matthias.bgg@...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 1/5] PM / Domains: Allow genpd users to specify default active wakeup behavior

Geert Uytterhoeven <geert+renesas@...der.be> writes:

> It is quite common for PM Domains to require slave devices to be kept
> active during system suspend if they are to be used as wakeup sources.
> To enable this, currently each PM Domain or driver has to provide its
> own gpd_dev_ops.active_wakeup() callback.
>
> Introduce a new flag GENPD_FLAG_ACTIVE_WAKEUP to consolidate this.
> If specified, all slave devices configured as wakeup sources will be
> kept active during system suspend.
>
> PM Domains that need more fine-grained controls, based on the slave
> device, can still provide their own callbacks, as before.
>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>

Reviewed-by: Kevin Hilman <khilman@...libre.com>