linux-kernel - Re: [PATCHv3 4/5] rtc: s3c: Add support for RTC of Exynos3250 SoC

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Date:	Wed, 17 Sep 2014 10:49:35 -0600
From:	Daniel Drake <drake@...lessm.com>
To:	Doug Anderson <dianders@...omium.org>
Cc:	Javier Martinez Canillas <javier@...hile0.org>,
	Chanwoo Choi <cw00.choi@...sung.com>,
	Alessandro Zummo <a.zummo@...ertech.it>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	rtc-linux@...glegroups.com,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	"linux-samsung-soc@...r.kernel.org" 
	<linux-samsung-soc@...r.kernel.org>
Subject: Re: [PATCHv3 4/5] rtc: s3c: Add support for RTC of Exynos3250 SoC

On Tue, Sep 16, 2014 at 4:15 PM, Doug Anderson <dianders@...omium.org> wrote:
> NOTE: I don't think that the builtin RTC is terribly important for any
> exynos-based Chromebooks that I'm aware of.  We rely on the RTC that's
> part of the Maxim PMIC itself and pretty much ignore the one built-in
> to the exynos.  I think there are some cases it was used (as a
> fallback wakeup source in certain test scripts), but nothing very
> important.

That's not true for all hardware though, at least the board I'm
working on now has the SoC RTC as battery-backed and the PMIC one with
no battery. So in this case at least, the interesting RTC is the SoC
one.

Daniel
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