Re: [rtc-linux] [PATCH 04/10] RTC: Cleanuprtc_class_ops->read_alarm()

From: john stultz
Date: Tue Feb 22 2011 - 14:53:30 EST


On Tue, 2011-02-22 at 10:16 -0800, Mark Brown wrote:
> On Tue, Feb 22, 2011 at 12:09:38AM -0800, john stultz wrote:
>
> > Just so I can better get a grip of the cases your considering, could you
> > maybe give me some more detailed examples of where you'd like to see the
> > alarm timer be set and then persist across multiple power cycles before
> > firing? And how is that persistent value managed by the application
> > setting it?
>
> The WM83xx RTCs can do this (the alarm can be used to initiate a boot)
> and I'd expect many embedded RTC controllers can do similar.

Oh, and would you be able to test the possible solution I have for this?
Since the hardware I have doesn't support alarm persistence across
reset, I'm limited in being able to validate the patch's correctness.

thanks
-john


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