[REPOST RFC PATCH 0/3] New "gpio-poweroff" driver to turn off platform devices with GPIOs

[Mark Brown]

On Mon, Dec 19, 2011 at 10:56:41AM -0600, Moffett, Kyle D wrote:

> I still don't understand how the regulator API is supposed to help in my
> particular case (whole-system poweroff).

Well, it depends what you need to do.  In the ST-Ericsson case what they
needed to do was collapse the core supplies for the CPU.  But previously
you were talking about power domains, not whole system poweroff.
Usually a power domain is a subset of the full system power.