Sudeep, > -----Original Message----- > From: Sudeep Holla [mailto:sudeep.ho...@arm.com] > Sent: 2014年4月30日 21:31 > To: Neil Zhang; Will Deacon > Cc: Sudeep Holla; li...@arm.linux.org.uk; > linux-arm-ker...@lists.infradead.org; linux-kernel@vger.kernel.org; > devicet...@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.dea...@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? > > Regards, > Sudeep > > [1] https://lkml.org/lkml/2014/4/23/755 Best Regards, Neil Zhang