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

[Kevin Hilman]

Geert Uytterhoeven <geert+renesas at glider.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 at glider.be>

Reviewed-by: Kevin Hilman <khilman at baylibre.com>