linux-kernel - Re: [PATCH 3.14 36/44] ARM: dts: am335x-boneblack: disable RTC-only sleep to avoid hardware damage

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Message-ID: <20150622082331.GF483@localhost>
Date:	Mon, 22 Jun 2015 10:23:31 +0200
From:	Johan Hovold <johan@...nel.org>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	Matthijs van Duin <matthijsvanduin@...il.com>,
	Robert Nelson <robertcnelson@...il.com>,
	Tony Lindgren <tony@...mide.com>, Felipe Balbi <balbi@...com>,
	Johan Hovold <johan@...nel.org>
Subject: Re: [PATCH 3.14 36/44] ARM: dts: am335x-boneblack: disable RTC-only
 sleep to avoid hardware damage

[ Responding to the review request with lkml on CC as well. ]

On Fri, Jun 19, 2015 at 01:36:35PM -0700, Greg Kroah-Hartman wrote:
> 3.14-stable review patch.  If anyone has any objections, please let me know.

This one can be dropped from 3.14-stable as it is only needed in 3.19
and later kernels that have commit 672e2b147413 ("ARM: dts:
am335x-boneblack: enable power off and rtc wake up").

Thanks,
Johan

> ------------------
> 
> From: Matthijs van Duin <matthijsvanduin@...il.com>
> 
> commit 7a6cb0abe1aa63334f3ded6d2b6c8eca80e72302 upstream.
> 
> Avoid entering "RTC-only mode" at poweroff. It is unsupported by most
> versions of BeagleBone, and risks hardware damage.
> 
> The damaging configuration is having system-power-controller
> without ti,pmic-shutdown-controller.
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