linux-kernel - Re: [PATCH v4] ARM: perf: save/restore pmu registers in pm notifier

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Message-ID: <5360FB07.5030407@arm.com>
Date:	Wed, 30 Apr 2014 14:30:47 +0100
From:	Sudeep Holla <sudeep.holla@....com>
To:	Neil Zhang <zhangwm@...vell.com>, Will Deacon <Will.Deacon@....com>
CC:	Sudeep Holla <sudeep.holla@....com>,
	"linux@....linux.org.uk" <linux@....linux.org.uk>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>
Subject: Re: [PATCH v4] ARM: perf: save/restore pmu registers in pm notifier

Hi Neil,

On 30/04/14 03:21, Neil Zhang wrote:
> 
>> -----Original Message-----
>> From: Will Deacon [mailto:will.deacon@....com]

[...]

>>
>> I think we need some input from the device-tree guys to see whether they
>> would object to us solving this locally (in the PMU node) or not.
>> Personally, I'd much prefer a general way to describe the need for pm-notifiers,
>> but if that's not being looked at then we can cook something specifically for
>> our needs.
>>
> 
> No input from device-tree guys :(

The device tree bindings for power domains is under discussion [1]

Regards,
Sudeep

[1] https://lkml.org/lkml/2014/4/23/755

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