xiaomi-sm8450/android_kernel_xiaomi_sm8450
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Merge branches 'pm-core', 'pm-clk', 'pm-domains' and 'pm-pci'

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* pm-core:
  PM / runtime: Asynchronous "idle" in pm_runtime_allow()
  PM / runtime: print error when activating a child to unactive parent

* pm-clk:
  PM / clk: Add support for adding a specific clock from device-tree
  PM / clk: export symbols for existing pm_clk_<...> API fcns

* pm-domains:
  PM / Domains: Convert pm_genpd_init() to return an error code
  PM / Domains: Stop/start devices during system PM suspend/resume in genpd
  PM / Domains: Allow runtime PM during system PM phases
  PM / Runtime: Avoid resuming devices again in pm_runtime_force_resume()
  PM / Domains: Remove redundant pm_request_idle() call in genpd
  PM / Domains: Remove redundant wrapper functions for system PM
  PM / Domains: Allow genpd to power on during system PM phases

* pm-pci:
  PCI / PM: check all fields in pci_set_platform_pm()
This commit is contained in:
Rafael J. Wysocki
2016-07-25 13:45:27 +02:00
parent dbac75468e fe7450b05f 498b5fdd40 7eb231c337 6ec39cf5cd
commit fa70db3f19
7 changed files with 117 additions and 280 deletions
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13
drivers/base/power/runtime.c
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@@ -1045,10 +1045,14 @@ int __pm_runtime_set_status(struct device *dev, unsigned int status)
*/
if (!parent->power.disable_depth
&& !parent->power.ignore_children
&& parent->power.runtime_status != RPM_ACTIVE)
&& parent->power.runtime_status != RPM_ACTIVE) {
dev_err(dev, "runtime PM trying to activate child device %s but parent (%s) is not active\n",
dev_name(dev),
dev_name(parent));
error = -EBUSY;
else if (dev->power.runtime_status == RPM_SUSPENDED)
} else if (dev->power.runtime_status == RPM_SUSPENDED) {
atomic_inc(&parent->power.child_count);
}
spin_unlock(&parent->power.lock);
@@ -1256,7 +1260,7 @@ void pm_runtime_allow(struct device *dev)
dev->power.runtime_auto = true;
if (atomic_dec_and_test(&dev->power.usage_count))
rpm_idle(dev, RPM_AUTO);
rpm_idle(dev, RPM_AUTO | RPM_ASYNC);
out:
spin_unlock_irq(&dev->power.lock);
@@ -1506,6 +1510,9 @@ int pm_runtime_force_resume(struct device *dev)
goto out;
}
if (!pm_runtime_status_suspended(dev))
goto out;
ret = pm_runtime_set_active(dev);
if (ret)
goto out;