Re: [PATCH V7 00/10] PM / OPP: Multiple regulator support

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On Mon, Dec 5, 2016 at 3:21 PM, Viresh Kumar <viresh.kumar@xxxxxxxxxx> wrote:
> On 1 December 2016 at 16:28, Viresh Kumar <viresh.kumar@xxxxxxxxxx> wrote:
>> Hi,
>>
>> Some platforms (like TI) have complex DVFS configuration for CPU
>> devices, where multiple regulators are required to be configured to
>> change DVFS state of the device. This was explained well by Nishanth
>> earlier [1].
>>
>> One of the major complaints around multiple regulators case was that the
>> DT isn't responsible in any way to represent the order in which multiple
>> supplies need to be programmed, before or after a frequency change. It
>> was considered in this patch and such information is left for the
>> platform specific OPP driver now, which can register its own
>> opp_set_rate() callback with the OPP core and the OPP core will then
>> call it during DVFS.
>>
>> The patches are tested on Exynos5250 (Dual A15). I have hacked around DT
>> and code to pass values for multiple regulators and verified that they
>> are all properly read by the kernel (using debugfs interface).
>>
>> Dave Gerlach has already tested [2] it on the real TI platforms and it
>> works well for him.
>>
>> This is rebased over: linux-next branch in the PM tree.
>>
>> V6->V7:
>> - Added RBY from Stephen for the 8th patch as well.
>> - Rebased over pm/bleeding-edge as the dependency patch is already
>>   applied there.
>> - s/dev_pm_opp_set_regulator()/dev_pm_opp_set_regulators() in a comment.
>> - Removed the local 'names' array in cpufreq-dt and used "&name"
>>   instead.
>> - Only the 6th patch doesn't have a Reviewed-by Tag now..
>
> Hi Rafael,
>
> V6 of this series received some minor comments [1] and I have
> resolved them all here. Now that the merge window is so close,
> I think we should be merge it now so that it gets a chance to live
> in linux-next for few days.

I've queued them up, but I'd feel more comfortable with an ACK or
Reviewed-by on patch [6/10] too.

Thanks,
Rafael
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