Re: [patch-rt 0/2] Initial ARM generic-timeofday support

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On Mon, 2006-06-05 at 16:13 -0700, Deepak Saxena wrote:
> On Jun 05 2006, at 16:06, john stultz was caught saying:
> > On Mon, 2006-06-05 at 15:29 -0700, [email protected] wrote:
> > > Hi,
> > > 
> > > This patchset (against -rt26, but should apply to newer patch) adds
> > > initial support for generic TOD on ARM. It is fairly simple and
> > > copletely rips out the existing TOD code in ARM, assuming that each
> > > sub-arch will either provide a clocksource or enable CONFIG_IS_TICK_BASED.
> > > Currently only Versatile is supported.
> > 
> > Ah! Looks cool! As a warning, -rt is still running w/ an older version
> > of the TOD code (B20), so some changes will be needed when -rt moves to
> > the current version (C2, right now).
> > 
> > The main change is that the read/sync persistent clock bits got cut, so
> > the clock syncing is still necessary in timer_tick(). There might be a
> > few other differences but most of the changes were arch-generic so it
> > shouldn't be too much of an issue.
> 
> OK, I'll keep my out for that. Actually, maybe I should send you a patch
> for latest TOD code. Are there any plans to just sync the persistent
> time updates with the generic RTC layer? It would require moving stuff
> like the CMOS clock code to drivers/rtc, but it would provide a generic
> solution.

Hmmmm. I like that idea! I've been a bit too busy to look at the RTC
changes in detail, but yes, it sounds like the way to go.

thanks!
-john

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