Re: [PATCH 2/2] arm64: dts: mt8173: add timer node

2015-10-02 Thread Yingjoe Chen
On Thu, 2015-10-01 at 16:32 +0100, Sudeep Holla wrote: > > On 01/10/15 15:33, Yingjoe Chen wrote: > > On Thu, 2015-09-17 at 17:13 +0100, Sudeep Holla wrote: > >> > > [...] > > >> > >> I think your are confusing the system counter with arch timers. System > >> counter is always-on, but the arch t

Re: [PATCH 2/2] arm64: dts: mt8173: add timer node

2015-10-01 Thread Sudeep Holla
On 01/10/15 15:33, Yingjoe Chen wrote: On Thu, 2015-09-17 at 17:13 +0100, Sudeep Holla wrote: [...] I think your are confusing the system counter with arch timers. System counter is always-on, but the arch timers(logic implementing timers comparators) might not be off when the processor

Re: [PATCH 2/2] arm64: dts: mt8173: add timer node

2015-10-01 Thread Yingjoe Chen
On Thu, 2015-09-17 at 17:41 +0100, Mark Rutland wrote: > On Thu, Sep 17, 2015 at 03:56:56PM +0100, Yingjoe Chen wrote: > > On Thu, 2015-09-17 at 14:51 +0100, Sudeep Holla wrote: > > > > > > On 16/09/15 03:04, Yingjoe Chen wrote: > > > > From: Daniel Kurtz > > > > > > > > Add device node to enable

Re: [PATCH 2/2] arm64: dts: mt8173: add timer node

2015-10-01 Thread Yingjoe Chen
On Thu, 2015-09-17 at 17:13 +0100, Sudeep Holla wrote: > > On 17/09/15 15:56, Yingjoe Chen wrote: > > On Thu, 2015-09-17 at 14:51 +0100, Sudeep Holla wrote: > >> > >> On 16/09/15 03:04, Yingjoe Chen wrote: > >>> From: Daniel Kurtz > >>> > >>> Add device node to enable GPT timer. This timer will b

Re: [PATCH 2/2] arm64: dts: mt8173: add timer node

2015-09-17 Thread Mark Rutland
On Thu, Sep 17, 2015 at 03:56:56PM +0100, Yingjoe Chen wrote: > On Thu, 2015-09-17 at 14:51 +0100, Sudeep Holla wrote: > > > > On 16/09/15 03:04, Yingjoe Chen wrote: > > > From: Daniel Kurtz > > > > > > Add device node to enable GPT timer. This timer will be > > > used as sched clock source. > >

Re: [PATCH 2/2] arm64: dts: mt8173: add timer node

2015-09-17 Thread Sudeep Holla
On 17/09/15 15:56, Yingjoe Chen wrote: On Thu, 2015-09-17 at 14:51 +0100, Sudeep Holla wrote: On 16/09/15 03:04, Yingjoe Chen wrote: From: Daniel Kurtz Add device node to enable GPT timer. This timer will be used as sched clock source. Interesting any known issues with or advantage over

Re: [PATCH 2/2] arm64: dts: mt8173: add timer node

2015-09-17 Thread Yingjoe Chen
On Thu, 2015-09-17 at 14:51 +0100, Sudeep Holla wrote: > > On 16/09/15 03:04, Yingjoe Chen wrote: > > From: Daniel Kurtz > > > > Add device node to enable GPT timer. This timer will be > > used as sched clock source. > > > > Interesting any known issues with or advantage over the arch timers > t

Re: [PATCH 2/2] arm64: dts: mt8173: add timer node

2015-09-17 Thread Sudeep Holla
On 16/09/15 03:04, Yingjoe Chen wrote: From: Daniel Kurtz Add device node to enable GPT timer. This timer will be used as sched clock source. Interesting any known issues with or advantage over the arch timers to prefer it as sched clock source. I see even arch timers are present in DT, he