Power management and ACPI material for 3.19-rc3 - Fix for a potential NULL pointer dereference in the cpufreq core due to an initialization race condition (Ethan Zhao). - Fixes for abuse of the OPP (Operating Performance Points) API related to RCU and other minor issues in the OPP library and the cpufreq-dt driver (Dmitry Torokhov). - cpuidle governors cleanup making them measure idle duration in a better way without using the CPUIDLE_FLAG_TIME_INVALID flag which allows that flag to be dropped from the ACPI cpuidle driver and from the core too (Len Brown). - New ACPI backlight blacklist entries for Samsung machines without a working native backlight interface that need to use the ACPI backlight instead (Aaron Lu). - New CPU IDs of future Intel Xeon CPUs for the Intel RAPL power capping driver (Jacob Pan). - Generic power domains framework modification to export the of_genpd_get_from_provider() function to modular drivers that will allow future driver modifications to be based on the mainline (Amit Daniel Kachhap). - Two fixes for the cpupower tool (Michal Privoznik, Prarit Bhargava). /