Re: [PATCH V2] PM / Domains: Remove cpuidle attach

From: Kevin Hilman
Date: Tue Sep 01 2015 - 18:52:06 EST

Daniel Lezcano <daniel.lezcano@xxxxxxxxxx> writes:

> The power domains code allows to tie a cpuidle state with a power domain.
> Preventing the cpuidle framework to enter a specific idle state by disabling
> from the power domain framework is a good idea. Unfortunately, the current
> implementation has some gaps with a SMP system and a complex cpuidle
> implementation. Enabling a power domain wakes up all the cpus even if a cpu
> does not belong to the power domain.
> There is some work to do a logical representation with the power domains of
> the hardware dependencies (eg. a cpu belongs to a power domains, these power
> domains belong to a higher power domain for a cluster, etc ...). A new code
> relying on the genpd hierarchy to disable the idle states would make more
> sense.
> As the unique user of this code has been removed, let's wipe out this code
> to prevent new user and to have a clean place to put a new implementation.
> Signed-off-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>

Acked-by: Kevin Hilman <khilman@xxxxxxxxxx>
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