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Re: [PATCH 2/2] ARM: cpuidle: Support asymmetric idle definition

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Hi Daniel,

On 12/06/17 16:55, Daniel Lezcano wrote:
> Some hardware have clusters with different idle states. The current code does
> not support this and fails as it expects all the idle states to be identical.
> 
> Because of this, the Mediatek mtk8173 had to create the same idle state for a
> big.Little system and now the Hisilicon 960 is facing the same situation.
> 
> Solve this by simply assuming the multiple driver will be needed for all the
> platforms using the ARM generic cpuidle driver which makes sense because of the
> different topologies we can support with a single kernel for ARM32 or ARM64.
> 
> Every CPU has its own driver, so every single CPU can specify in the DT the
> idle states.
> 
> This simple approach allows to support the future dynamIQ system, current SMP
> and HMP.
> 
> Tested on:
>  - 96boards: Hikey 620
>  - 96boards: Hikey 960
>  - 96boards: dragonboard410c
>  - Mediatek 8173
> 
> Cc: Sudeep Holla <sudeep.holla@arm.com>

Sorry for the delay, as I mentioned earlier I would like to add the
minimum change to avoid this on platforms that don't require this. But
that can be done later, I will try to come up with simple solution when
I get time. Though I am not 100% happy ;), I am fine with this change
for now:

Acked-by: Sudeep Holla <sudeep.holla@arm.com>

-- 
Regards,
Sudeep

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[PATCH 1/2] cpuidle: dt: Add missing 'of_node_put()' Daniel Lezcano <daniel.lezcano@linaro.org> - 2017-06-12 18:00 +0200
  [PATCH 2/2] ARM: cpuidle: Support asymmetric idle definition Daniel Lezcano <daniel.lezcano@linaro.org> - 2017-06-12 18:00 +0200
    Re: [PATCH 2/2] ARM: cpuidle: Support asymmetric idle definition "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-06-12 21:00 +0200
      Re: [PATCH 2/2] ARM: cpuidle: Support asymmetric idle definition Daniel Lezcano <daniel.lezcano@linaro.org> - 2017-06-12 21:20 +0200
    Re: [PATCH 2/2] ARM: cpuidle: Support asymmetric idle definition Sudeep Holla <sudeep.holla@arm.com> - 2017-06-13 11:50 +0200
  Re: [PATCH 1/2] cpuidle: dt: Add missing 'of_node_put()' Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2017-06-12 18:50 +0200
  Re: [PATCH 1/2] cpuidle: dt: Add missing 'of_node_put()' "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-06-12 21:00 +0200

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