[PATCH] ARM: PXA: Zipit Z2: Fix oops in z2_power_off

[Vasily Khoruzhick]

2012/1/8 Marek Vasut <marek.vasut at gmail.com>:
>> 2012/1/8 Marek Vasut <marek.vasut at 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?

Nope, it does not work. Looks like device disables power on memory in deepsleep.

>> 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?

Just because it's not possible :)

Regards
Vasily