linux-kernel - Re: [rtc-linux] [PATCH 04/10] RTC: Cleanup rtc_class_ops->read

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Message-ID: <20110222203143.GE31611@opensource.wolfsonmicro.com>
Date:	Tue, 22 Feb 2011 20:31:43 +0000
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	john stultz <johnstul@...ibm.com>
Cc:	rtc-linux@...glegroups.com, LKML <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Alessandro Zummo <a.zummo@...ertech.it>,
	Marcelo Roberto Jimenez <mroberto@...i.cetuc.puc-rio.br>
Subject: Re: [rtc-linux] [PATCH 04/10] RTC: Cleanup
	rtc_class_ops->read_alarm()

On Tue, Feb 22, 2011 at 11:53:19AM -0800, john stultz wrote:
> On Tue, 2011-02-22 at 10:16 -0800, Mark Brown wrote:

> > 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. 

I should be able to I think, I'll need to check that I've got a board
which can go down to full power off without cutting the RTC supply but
I'm pretty sure I do.
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