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Power management updates for 5.1-rc1

 - Update the PM-runtime framework to use ktime instead of
   jiffies for accounting (Thara Gopinath, Vincent Guittot).

 - Optimize the autosuspend code in the PM-runtime framework
   somewhat (Ladislav Michl).

 - Add a PM core flag to mark devices that don't need any form of
   power management (Sudeep Holla).

 - Introduce driver API documentation for cpuidle and add a new
   cpuidle governor for tickless systems (Rafael Wysocki).

 - Add Jacobsville support to the intel_idle driver (Zhang Rui).

 - Clean up a cpuidle core header file and the cpuidle-dt and ACPI
   processor-idle drivers (Yangtao Li, Joseph Lo, Yazen Ghannam).

 - Add new cpufreq driver for Armada 8K (Gregory Clement).

 - Fix and clean up cpufreq core (Rafael Wysocki, Viresh Kumar,
   Amit Kucheria).

 - Add support for light-weight tear-down and bring-up of CPUs to the
   cpufreq core and use it in the cpufreq-dt driver (Viresh Kumar).

 - Fix cpu_cooling Kconfig dependencies, add support for CPU cooling
   auto-registration to the cpufreq core and use it in multiple
   cpufreq drivers (Amit Kucheria).

 - Fix some minor issues and do some cleanups in the davinci,
   e_powersaver, ap806, s5pv210, qcom and kryo cpufreq drivers
   (Bartosz Golaszewski, Gustavo Silva, Julia Lawall, Paweł Chmiel,
   Taniya Das, Viresh Kumar).

 - Add a Hisilicon CPPC quirk to the cppc_cpufreq driver (Xiongfeng
   Wang).

 - Clean up the intel_pstate and acpi-cpufreq drivers (Erwan Velu,
   Rafael Wysocki).

 - Clean up multiple cpufreq drivers (Yangtao Li).

 - Update cpufreq-related MAINTAINERS entries (Baruch Siach, Lukas
   Bulwahn).

 - Add support for exposing the Energy Model via debugfs and make
   multiple cpufreq drivers register an Energy Model to support
   energy-aware scheduling (Quentin Perret, Dietmar Eggemann,
   Matthias Kaehlcke).

 - Add Ice Lake mobile and Jacobsville support to the Intel RAPL
   power-capping driver (Gayatri Kammela, Zhang Rui).

 - Add a power estimation helper to the operating performance points
   (OPP) framework and clean up a core function in it (Quentin Perret,
   Viresh Kumar).

 - Make minor improvements in the generic power domains (genpd), OPP
   and system suspend frameworks and in the PM core (Aditya Pakki,
   Douglas Anderson, Greg Kroah-Hartman, Rafael Wysocki, Yangtao Li).