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Merge branch 'pm-cpufreq'

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Merge cpufreq changes for 4.19.

These are driver extensions, some driver and core fixes and a new
tracepoint for the tracking of frequency limits changes (coming from
Android).

* pm-cpufreq:
  cpufreq: intel_pstate: Ignore turbo active ratio in HWP
  cpufreq: Fix a circular lock dependency problem
  cpu/hotplug: Add a cpus_read_trylock() function
  cpufreq: trace frequency limits change
  cpufreq: intel_pstate: Show different max frequency with turbo 3 and HWP
  cpufreq: pcc-cpufreq: Disable dynamic scaling on many-CPU systems
  cpufreq: qcom-kryo: Silently error out on EPROBE_DEFER
  cpufreq / CPPC: Add cpuinfo_cur_freq support for CPPC
  cpufreq: armada-37xx: Add AVS support
  dt-bindings: marvell: Add documentation for the Armada 3700 AVS binding
  cpufreq: imx6q/thermal: imx: register cooling device depending on OF
  cpufreq: intel_pstate: use match_string() helper
This commit is contained in:
Rafael J. Wysocki 2018-08-14 09:57:34 +02:00
commit 7425ecd5e3
13 changed files with 342 additions and 20 deletions
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6
kernel/cpu.c
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@ -290,6 +290,12 @@ void cpus_read_lock(void)
}
EXPORT_SYMBOL_GPL(cpus_read_lock);
int cpus_read_trylock(void)
{
return percpu_down_read_trylock(&cpu_hotplug_lock);
}
EXPORT_SYMBOL_GPL(cpus_read_trylock);
void cpus_read_unlock(void)
{
percpu_up_read(&cpu_hotplug_lock);