Merge branches 'pm-cpuidle', 'pm-core', 'pm-domains', 'pm-avs' and 'pm-devfreq'

* pm-cpuidle:
  cpuidle: powernv: Avoid a branch in the core snooze_loop() loop
  cpuidle: powernv: Don't continually set thread priority in snooze_loop()
  cpuidle: powernv: Don't bounce between low and very low thread priority
  cpuidle: cpuidle-cps: remove unused variable
  powernv-cpuidle: Validate DT property array size

* pm-core:
  PM / runtime: Document autosuspend-helper side effects
  PM / runtime: Fix autosuspend documentation

* pm-domains:
  PM / Domains: Ignore domain-idle-states that are not compatible
  PM / Domains: Don't warn about IRQ safe device for an always on PM domain
  PM / Domains: Respect errors from genpd's ->power_off() callback
  PM / Domains: Enable users of genpd to specify always on PM domains
  PM / Domains: Clean up code validating genpd's status
  PM / Domain: remove conditional from error case

* pm-avs:
  PM / AVS: rockchip-io: add io selectors and supplies for rk3328

* pm-devfreq:
  PM / devfreq: Move struct devfreq_governor to devfreq directory