Re: [PATCH] PM: Kconfig: Set PM_RUNTIME if PM_SLEEP is selected

From: Kevin Hilman
Date: Mon Nov 17 2014 - 22:52:48 EST


"Rafael J. Wysocki" <rjw@xxxxxxxxxxxxx> writes:

> From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
>
> The number of and dependencies between high-level power management
> Kconfig options make life much harder than necessary. Several
> conbinations of them have to be tested and supported, even though
> some of those combinations are very rarely used in practice (it
> they are used in practice at all). Moreover, the fact that we
> have separate independent Kconfig options for runtime PM and
> system suspend is a serious obscacle for integration between
> the two frameworks.
>
> To overcome these difficulties, always select PM_RUNTIME if PM_SLEEP
> is set. Among other things, this will allow system suspend callbacks
> provided by bus types and device drivers to rely on the runtime PM
> framework regardless of the kernel configuration.
>
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
> ---
>
> As a follow up.
>
> Note that we won't need the patch making genpd select PM_RUNTIME with this,
> because genpd already depends on PM.
>
> Thoughts, comments?

Acked-by: Kevin Hilman <khilman@xxxxxxxxxx>

...with dancing and singing in the streets (or more my speed: a
celebratory beer.)

Kevin

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