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authorLinus Torvalds <torvalds@linux-foundation.org>2016-10-03 09:33:40 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-10-03 09:33:40 -0700
commit72ec94560d7ee1d3a61d5904fd9a5bf68bf3b11a (patch)
treecd082f2a2048e4e319e8c0c336d4fc785503bbde /MAINTAINERS
parent7af8a0f8088831428051976cb06cc1e450f8bab5 (diff)
parent993eb0aeae0ff895e234cf94d1a86170584194e9 (diff)
Merge tag 'pm-4.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki: "Traditionally, cpufreq is the area with the greatest number of changes, but there are fewer of them than last time. There also is some activity in the generic power domains and the devfreq frameworks, a couple of system suspend and hibernation fixes and some assorted changes in other places. One new feature is the cpufreq change to allow the scheduler to pass hints to the governors' utilization update callbacks and some code rework based on that. Another one is the support for domain removal in the generic power domains framework. Also it is now possible to use hibernation with PAGE_POISONING_ZERO enabled and devfreq supports the RockChip DFI controller and the rk3399 DMC. The rest of the changes is mostly fixes and cleanups in a number of places. Specifics: - Add a mechanism for passing hints from the scheduler to cpufreq governors via their utilization update callbacks and use it to introduce "IOwait boosting" into the schedutil governor and intel_pstate that will make them boost performance if the enqueued task was previously waiting on I/O (Rafael Wysocki). - Fix a schedutil governor problem that causes it to overestimate utilization if SMT is in use (Steve Muckle). - Update defconfigs trying to use the schedutil governor as a module which is not possible any more (Javier Martinez Canillas). - Update the intel_pstate's pstate_sample tracepoint to take "IOwait boosting" into account (Srinivas Pandruvada). - Fix a problem in the cpufreq core causing it to mishandle the initialization of CPUs registered after the cpufreq driver (Viresh Kumar, Rafael Wysocki). - Make the cpufreq-dt driver support per-policy governor tunables, clean it up and update its Kconfig description (Viresh Kumar). - Add support for more ARM platforms to the cpufreq-dt driver (Chanwoo Choi, Dave Gerlach, Geert Uytterhoeven). - Make the cpufreq CPPC driver report frequencies in KHz to avoid user space compatiblility issues (Al Stone, Hoan Tran). - Clean up a few cpufreq drivers (st, kirkwood, SCPI) a bit (Colin Ian King, Markus Elfring). - Constify some local structures in the intel_pstate driver (Julia Lawall). - Add a Documentation/cpu-freq/ entry to MAINTAINERS (Jean Delvare). - Add support for PM domain removal to the generic power domains (genpd) framework, add new DT helper functions to it and make it always enable debugfs support if available (Jon Hunter, Tomeu Vizoso). - Clean up the generic power domains (genpd) framework and make it avoid measuring power-on and power-off latencies during system-wide PM transitions (Ulf Hansson). - Add support for the RockChip DFI controller and the rk3399 DMC to the devfreq framework (Lin Huang, Axel Lin, Arnd Bergmann). - Add COMPILE_TEST to the devfreq framework (Krzysztof Kozlowski, Stephen Rothwell). - Fix a minor issue in the exynos-ppmu devfreq driver and fix up devfreq Kconfig indentation style (Wei Yongjun, Jisheng Zhang). - Fix the system suspend interface to make suspend-to-idle work if platform suspend operations have not been registered (Sudeep Holla). - Make it possible to use hibernation with PAGE_POISONING_ZERO enabled (Anisse Astier). - Increas the default timeout of the system suspend/resume watchdog and make it depend on EXPERT (Chen Yu). - Make the operating performance points (OPP) framework avoid using OPPs that aren't supported by the platform and fix a build warning in it (Dave Gerlach, Arnd Bergmann). - Fix the ARM cpuidle driver's return value (Christophe Jaillet). - Make the SmartReflex AVS (Adaptive Voltage Scaling) driver use more common logging style (Joe Perches)" * tag 'pm-4.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (58 commits) PM / OPP: Don't support OPP if it provides supported-hw but platform does not cpufreq: st: add missing \n to end of dev_err message cpufreq: kirkwood: add missing \n to end of dev_err messages PM / Domains: Rename pm_genpd_sync_poweron|poweroff() PM / Domains: Don't measure latency of ->power_on|off() during system PM PM / Domains: Remove redundant system PM callbacks PM / Domains: Simplify detaching a device from its genpd PM / devfreq: rk3399_dmc: Remove explictly regulator_put call in .remove PM / devfreq: rockchip: add PM_DEVFREQ_EVENT dependency PM / OPP: avoid maybe-uninitialized warning PM / Domains: Allow holes in genpd_data.domains array cpufreq: CPPC: Avoid overflow when calculating desired_perf cpufreq: ti: Use generic platdev driver cpufreq: intel_pstate: Add io_boost trace partial revert of "PM / devfreq: Add COMPILE_TEST for build coverage" cpufreq: intel_pstate: Use IOWAIT flag in Atom algorithm cpufreq: schedutil: Add iowait boosting cpufreq / sched: SCHED_CPUFREQ_IOWAIT flag to indicate iowait condition PM / Domains: Add support for removing nested PM domains by provider PM / Domains: Add support for removing PM domains ...
Diffstat (limited to 'MAINTAINERS')
-rw-r--r--MAINTAINERS1
1 files changed, 1 insertions, 0 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index dd00cbd29c70..c8926c1acd22 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3284,6 +3284,7 @@ L: linux-pm@vger.kernel.org
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git
T: git git://git.linaro.org/people/vireshk/linux.git (For ARM Updates)
+F: Documentation/cpu-freq/
F: drivers/cpufreq/
F: include/linux/cpufreq.h