linux-kernel - Re: [PATCH 00/12] rtc: omap: fixes and power-off feature

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Message-ID: <20141015170628.GA13824@localhost>
Date:	Wed, 15 Oct 2014 19:06:28 +0200
From:	Johan Hovold <johan@...nel.org>
To:	Felipe Balbi <balbi@...com>
Cc:	Johan Hovold <johan@...nel.org>,
	Alessandro Zummo <a.zummo@...ertech.it>,
	Tony Lindgren <tony@...mide.com>,
	Benoît Cousson <bcousson@...libre.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Lokesh Vutla <lokeshvutla@...com>,
	Guenter Roeck <linux@...ck-us.net>,
	Colin Foe-Parker <colin.foeparker@...icpd.com>, nsekhar@...com,
	t-kristo@...com, j-keerthy@...com, linux-omap@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	rtc-linux@...glegroups.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 00/12] rtc: omap: fixes and power-off feature

On Wed, Oct 15, 2014 at 11:55:02AM -0500, Felipe Balbi wrote:
> Hi,
> 
> On Thu, Oct 09, 2014 at 09:06:22PM +0200, Johan Hovold wrote:
> > This series fixes a few issues with the omap rtc-driver, cleans up a bit
> > and finally adds support for the PMIC control feature found in some
> > revisions of this RTC IP block.
> > 
> > Ultimately, this allows for powering off the Beaglebone and waking it up
> > again on RTC alarms.
> > 
> > I noticed yesterday that Lokesh Vutla recently posted some patches to
> > add regulator support to this driver. [1] While that series has some
> > issues that needs to be addressed, I still think it could be a good idea
> > to rebase my pmic_power_en patch on top of it as it adds some long
> > overdue device abstraction. That would be needed anyway in order to
> > support the new power-off infrastructure that's in the pipe in a clean
> > way. [2]
> > 
> > So my suggestion is to merge the first seven patches, rebase Lokesh
> > series on top of that, and then I rebase my final five patches on top
> > of that in turn. Hopefully, the new power-off handler call chain will
> > have stabilised by then.
> 
> BTW, how do you test this series ?

Set a 30 second wakealarm using the sysfs attribute of the rtc class
device and power off the BBB:

	echo +30 >wakealarm; poweroff

Johan
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