[PATCH 11/15] ARM: OMAP: timer: Interchange clksrc and clkevt for AM33XX

[Bedia, Vaibhav]

Hi Kevin,

On Sat, Nov 03, 2012 at 17:13:54, Kevin Hilman wrote:
> On 11/02/2012 01:32 PM, Vaibhav Bedia wrote:
> > AM33XX has only one usable timer in the WKUP domain.
> > Currently the timer instance in WKUP domain is used
> > as the clockevent and the timer in non-WKUP domain
> > as the clocksource. The timer in WKUP domain can keep
> > running in suspend from a 32K clock and hence serve
> > as the persistent clock. To enable this, interchange
> > the timers used as clocksource and clockevent for
> > AM33XX.
> 
> Doesn't this also mean that you won't get timer wakeups
> in idle?  Or are you keeping the domain where the clockevent is
> on during idle?
> 

The lowest idle state that we are targeting will have MPU powered
off with external memory in self-refresh mode. Peripheral domain
with the clockevent will be kept on.

Regards,
Vaibhav