Re: [RFC] Runtime PM for host controllers

[Mark Brown <broonie@xxxxxxxxxxxxx>]

On Mon, Apr 09, 2012 at 10:14:06AM -0400, Alan Stern wrote:
> On Sun, 8 Apr 2012, Kevin Cernekee wrote:

> > a) Is SATA/USB/MMC host controller suspension something that can be
> > accomplished within the existing runtime PM framework?

> Not only _can_ it be accomplished, it already _has_ been accomplished 
> (for USB at least, I'm not familiar with the others).

MMC does this quite happily too, controller and device suspends are
largely orthogonal.
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