[PATCH/RFC] PM / Domains: Minimize latencies by not delaying save/restore

[Kevin Hilman]

Ulf Hansson <ulf.hansson at linaro.org> writes:

[...]

> To address these two issues, let's change the policy in genpd. More
> precisely, let's walk the hierarchy of the ->runtime_suspend()
> callbacks immediately when genpd's ->runtime_suspend() callback at the
> PM domain level is invoked.

To help in understanding this change, you might also consider leading
with something like this paragraph.  IOW, start with an intro pargraph
about *what* you are changing, and then go into the why.  

The current changlog goes into great detail about "why" before ever
explaining the "what". 

Kevin