From mboxrd@z Thu Jan  1 00:00:00 1970
From: marek.vasut@gmail.com (Marek Vasut)
Date: Sun, 8 Jan 2012 11:40:28 +0100
Subject: [PATCH] ARM: PXA: Zipit Z2: Fix oops in z2_power_off
In-Reply-To: <CA+E=qVfYMwV_TuAdaDAZVfQfcx5-g-JEr1tUQsuwBcPpvCav+g@mail.gmail.com>
References: <1326011616-3546-1-git-send-email-anarsoul@gmail.com>
 <201201080956.51789.marek.vasut@gmail.com>
 <CA+E=qVfYMwV_TuAdaDAZVfQfcx5-g-JEr1tUQsuwBcPpvCav+g@mail.gmail.com>
Message-ID: <201201081140.29275.marek.vasut@gmail.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

> 2012/1/8 Marek Vasut <marek.vasut@gmail.com>:
> > That's why I said this patch (suspend the device to make it feel like
> > powerdown) is bullshit in the first place.
> 
> Marek, 'deepsleep' suspend on Z2 is a way to save battery power for
> monthes. I blew the dust off my Z2 recently (did not touch it for
> ~2monthes), it was in fake poweroff (deepsleep), and battery is still
> charged (not full however). I believe it can't be achieved with
> 'sleep' suspend.

But you can put the device into this deepsleep-suspend without faking shutdown, 
right?

> I agree that it looks weird, but it's hardware bizzarity. Btw, do you
> have suggestions how to make it clean?

Yea ... why won't deepsleep suspend work via standard suspend interface?
> 
> Vasily.