xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge branches 'pm-domains', 'pm-cpuidle', 'pm-sleep' and 'powercap'

Browse Source 
* pm-domains:
  PM / Domains: Add DT file to MAINTAINERS
  PM / Domains: Fix DT example

* pm-cpuidle:
  x86/intel_idle: add Gemini Lake support
  cpuidle: check dev before usage in cpuidle_use_deepest_state()

* pm-sleep:
  ACPI / sleep: Ignore spurious SCI wakeups from suspend-to-idle
  PM / wakeup: Integrate mechanism to abort transitions in progress

* powercap:
  powercap: intel_rapl: Add support for Gemini Lake
This commit is contained in:
Rafael J. Wysocki
2017-05-09 23:21:46 +02:00
parent 08be881064 5e68ebd0ac 1b2e87687d eed4d47efe 4486740da2
commit 80449d89d4
15 changed files with 123 additions and 46 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
kernel/power/process.c
View File

@@ -132,7 +132,7 @@ int freeze_processes(void)
if (!pm_freezing)
atomic_inc(&system_freezing_cnt);
pm_wakeup_clear();
pm_wakeup_clear(true);
pr_info("Freezing user space processes ... ");
pm_freezing = true;
error = try_to_freeze_tasks(true);

29
kernel/power/suspend.c
View File

@@ -72,6 +72,8 @@ static void freeze_begin(void)
static void freeze_enter(void)
{
trace_suspend_resume(TPS("machine_suspend"), PM_SUSPEND_FREEZE, true);
spin_lock_irq(&suspend_freeze_lock);
if (pm_wakeup_pending())
goto out;
@@ -98,6 +100,27 @@ static void freeze_enter(void)
out:
suspend_freeze_state = FREEZE_STATE_NONE;
spin_unlock_irq(&suspend_freeze_lock);
trace_suspend_resume(TPS("machine_suspend"), PM_SUSPEND_FREEZE, false);
}
static void s2idle_loop(void)
{
do {
freeze_enter();
if (freeze_ops && freeze_ops->wake)
freeze_ops->wake();
dpm_resume_noirq(PMSG_RESUME);
if (freeze_ops && freeze_ops->sync)
freeze_ops->sync();
if (pm_wakeup_pending())
break;
pm_wakeup_clear(false);
} while (!dpm_suspend_noirq(PMSG_SUSPEND));
}
void freeze_wake(void)
@@ -371,10 +394,8 @@ static int suspend_enter(suspend_state_t state, bool *wakeup)
* all the devices are suspended.
*/
if (state == PM_SUSPEND_FREEZE) {
trace_suspend_resume(TPS("machine_suspend"), state, true);
freeze_enter();
trace_suspend_resume(TPS("machine_suspend"), state, false);
goto Platform_wake;
s2idle_loop();
goto Platform_early_resume;
}
error = disable_nonboot_cpus();