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Merge branches 'pm-pci' and 'pm-core'

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* pm-pci:
  PCI / PM: Fix small typo in documentation
  PCI / PM: constify pci_platform_pm_ops structure

* pm-core:
  PM / core: fix typo in documentation
  PM / runtime: Add new helper for conditional usage count incrementation
  MAINTAINERS: Add an entry for the PM core
  PM / runtime: Re-init runtime PM states at probe error and driver unbind
  PM / sleep: prohibit devices probing during suspend/hibernation
This commit is contained in:
Rafael J. Wysocki 2016-01-12 01:10:52 +01:00
commit 92266e1de4
13 changed files with 142 additions and 13 deletions
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2
Documentation/power/pci.txt
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@ -999,7 +999,7 @@ from its probe routine to make runtime PM work for the device.
It is important to remember that the driver's runtime_suspend() callback
may be executed right after the usage counter has been decremented, because
user space may already have cuased the pm_runtime_allow() helper function
user space may already have caused the pm_runtime_allow() helper function
unblocking the runtime PM of the device to run via sysfs, so the driver must
be prepared to cope with that.

6
Documentation/power/runtime_pm.txt
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@ -371,6 +371,12 @@ drivers/base/power/runtime.c and include/linux/pm_runtime.h:
- increment the device's usage counter, run pm_runtime_resume(dev) and
return its result
int pm_runtime_get_if_in_use(struct device *dev);
- return -EINVAL if 'power.disable_depth' is nonzero; otherwise, if the
runtime PM status is RPM_ACTIVE and the runtime PM usage counter is
nonzero, increment the counter and return 1; otherwise return 0 without
changing the counter
void pm_runtime_put_noidle(struct device *dev);
- decrement the device's usage counter