Power management updates for 5.15-rc1 - Address 3 PCI device power management issues (Rafael Wysocki). - Add Power Limit4 support for Alder Lake to the Intel RAPL power capping driver (Sumeet Pawnikar). - Add HWP guaranteed performance change notification support to the intel_pstate driver (Srinivas Pandruvada). - Replace deprecated CPU-hotplug functions in code related to power management (Sebastian Andrzej Siewior). - Update CPU PM notifiers to use raw spinlocks (Valentin Schneider). - Add support for 'required-opps' DT property to the generic power domains (genpd) framework and use this property for I2C on ARM64 sc7180 (Rajendra Nayak). - Fix Kconfig issue related to genpd (Geert Uytterhoeven). - Increase energy calculation precision in the Energy Model (Lukasz Luba). - Fix kobject deletion in the exit code of the schedutil cpufreq governor (Kevin Hao). - Unmark some functions as kernel-doc in the PM core to avoid false-positive documentation build warnings (Randy Dunlap). - Check RTC features instead of ops in suspend_test Alexandre Belloni).