Messages in this thread | | | From | Neil Zhang <> | Date | Mon, 12 May 2014 03:22:09 -0700 | Subject | RE: [PATCH v4] ARM: perf: save/restore pmu registers in pm notifier |
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Will & Sudeep,
> -----Original Message----- > From: Neil Zhang > Sent: 2014年5月5日 14:28 > To: Sudeep Holla; Will Deacon > Cc: linux@arm.linux.org.uk; linux-arm-kernel@lists.infradead.org; > linux-kernel@vger.kernel.org; devicetree@vger.kernel.org > Subject: RE: [PATCH v4] ARM: perf: save/restore pmu registers in pm notifier > > Sudeep, > > > -----Original Message----- > > From: Sudeep Holla [mailto:sudeep.holla@arm.com] > > Sent: 2014年4月30日 21:31 > > To: Neil Zhang; Will Deacon > > Cc: Sudeep Holla; linux@arm.linux.org.uk; > > linux-arm-kernel@lists.infradead.org; linux-kernel@vger.kernel.org; > > devicetree@vger.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@arm.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] > > Thanks for the information. > But it currently for device only, core related stuff are not supported. > And is it really good to register power provider for core and let vfp / pmu etc > to get it? >
What's your suggestion about it? Is it OK that I add it under the PMU node?
> > > > Regards, > > Sudeep > > > > [1] https://lkml.org/lkml/2014/4/23/755 > > > Best Regards, > Neil Zhang
Best Regards, Neil Zhang
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