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Merge branch 'pm-cpufreq-sched'

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* pm-cpufreq-sched:
  cpufreq: schedutil: Always process remote callback with slow switching
  cpufreq: schedutil: Don't restrict kthread to related_cpus unnecessarily
  cpufreq: Return 0 from ->fast_switch() on errors
  cpufreq: Simplify cpufreq_can_do_remote_dvfs()
  cpufreq: Process remote callbacks from any CPU if the platform permits
  sched: cpufreq: Allow remote cpufreq callbacks
  cpufreq: schedutil: Use unsigned int for iowait boost
  cpufreq: schedutil: Make iowait boost more energy efficient
This commit is contained in:
Rafael J. Wysocki
2017-09-04 00:05:22 +02:00
parent bd87c8fb9d c49cbc19b3
commit 08a10002be
10 changed files with 116 additions and 31 deletions
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7
drivers/cpufreq/cpufreq.c
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@@ -1843,9 +1843,10 @@ EXPORT_SYMBOL(cpufreq_unregister_notifier);
* twice in parallel for the same policy and that it will never be called in
* parallel with either ->target() or ->target_index() for the same policy.
*
* If CPUFREQ_ENTRY_INVALID is returned by the driver's ->fast_switch()
* callback to indicate an error condition, the hardware configuration must be
* preserved.
* Returns the actual frequency set for the CPU.
*
* If 0 is returned by the driver's ->fast_switch() callback to indicate an
* error condition, the hardware configuration must be preserved.
*/
unsigned int cpufreq_driver_fast_switch(struct cpufreq_policy *policy,
unsigned int target_freq)