On Thu, Jan 14, 2016 at 02:52:11AM +0100, Rafael J. Wysocki wrote:

> What follows is my prototype implementation of this.  It took some time
> to develop (much more than I was hoping for), but here it goes at last.

Might be worth posting this outside the thread with CCs to people
working on system integration like SoC maintainers - I'd completely
missed this as it was buried and looked like the middle of an old
discussion.