Messages in this thread | | | Date | Tue, 20 Dec 2011 14:38:58 +0000 | From | Mark Brown <> | Subject | Re: [REPOST RFC PATCH 0/3] New "gpio-poweroff" driver to turn off platform devices with GPIOs |
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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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