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Merge cpufreq fixes going into v4.6.

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* pm-cpufreq-fixes:
  intel_pstate: Fix intel_pstate_get()
  cpufreq: intel_pstate: Fix HWP on boot CPU after system resume
  cpufreq: st: enable selective initialization based on the platform
  cpufreq: intel_pstate: Fix processing for turbo activation ratio
This commit is contained in:
Rafael J. Wysocki
2016-05-06 22:01:14 +02:00
parent 9485e4ca0b 6d45b719cb
commit da43af961b
3 changed files with 42 additions and 19 deletions
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26
drivers/cpufreq/cpufreq.c
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@@ -1631,21 +1631,25 @@ void cpufreq_suspend(void)
if (!cpufreq_driver)
return;
if (!has_target())
if (!has_target() && !cpufreq_driver->suspend)
goto suspend;
pr_debug("%s: Suspending Governors\n", __func__);
for_each_active_policy(policy) {
down_write(&policy->rwsem);
ret = cpufreq_governor(policy, CPUFREQ_GOV_STOP);
up_write(&policy->rwsem);
if (has_target()) {
down_write(&policy->rwsem);
ret = cpufreq_governor(policy, CPUFREQ_GOV_STOP);
up_write(&policy->rwsem);
if (ret)
pr_err("%s: Failed to stop governor for policy: %p\n",
__func__, policy);
else if (cpufreq_driver->suspend
&& cpufreq_driver->suspend(policy))
if (ret) {
pr_err("%s: Failed to stop governor for policy: %p\n",
__func__, policy);
continue;
}
}
if (cpufreq_driver->suspend && cpufreq_driver->suspend(policy))
pr_err("%s: Failed to suspend driver: %p\n", __func__,
policy);
}
@@ -1670,7 +1674,7 @@ void cpufreq_resume(void)
cpufreq_suspended = false;
if (!has_target())
if (!has_target() && !cpufreq_driver->resume)
return;
pr_debug("%s: Resuming Governors\n", __func__);
@@ -1679,7 +1683,7 @@ void cpufreq_resume(void)
if (cpufreq_driver->resume && cpufreq_driver->resume(policy)) {
pr_err("%s: Failed to resume driver: %p\n", __func__,
policy);
} else {
} else if (has_target()) {
down_write(&policy->rwsem);
ret = cpufreq_start_governor(policy);
up_write(&policy->rwsem);