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    SubjectRe: [REPOST RFC PATCH 0/3] New "gpio-poweroff" driver to turn off platform devices with GPIOs
    On Mon, Dec 19, 2011 at 07:53:06PM -0600, Moffett, Kyle D wrote:
    > On Dec 19, 2011, at 20:38, Mark Brown wrote:

    > > 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.

    > Well, I have control of 3 separate power domains in the sense that
    > there are 6 physically separate computers sharing a single supply,
    > with 2 in each domain (and only 1 of the 6 controlling the shared
    > supply).

    OK, that's really not what people commonly understand by "power domain".
    This is really only about system powerdown sequencing so a custom driver
    is probably fine.


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