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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-08-06 13:26:37 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-08-06 13:26:37 -0700 |
commit | ce195d328485459b77672ef20485a8e4f21477b5 (patch) | |
tree | 60dacf394d6f002e41ee6b89561a2eea4dbee0ef /Documentation | |
parent | 2560540b78b48c8050f56e8ff5903c11a4f7a16e (diff) | |
parent | 02b26774afebb2d62695ba3230319d70d8c6cc2d (diff) | |
download | lwn-ce195d328485459b77672ef20485a8e4f21477b5.tar.gz lwn-ce195d328485459b77672ef20485a8e4f21477b5.zip |
Merge branch 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6
* 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6:
PM / Runtime: Allow _put_sync() from interrupts-disabled context
PM / Domains: Fix pm_genpd_poweron()
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/power/runtime_pm.txt | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/Documentation/power/runtime_pm.txt b/Documentation/power/runtime_pm.txt index 14dd3c6ad97e..4ce5450ab6e8 100644 --- a/Documentation/power/runtime_pm.txt +++ b/Documentation/power/runtime_pm.txt @@ -54,11 +54,10 @@ referred to as subsystem-level callbacks in what follows. By default, the callbacks are always invoked in process context with interrupts enabled. However, subsystems can use the pm_runtime_irq_safe() helper function to tell the PM core that a device's ->runtime_suspend() and ->runtime_resume() -callbacks should be invoked in atomic context with interrupts disabled -(->runtime_idle() is still invoked the default way). This implies that these -callback routines must not block or sleep, but it also means that the -synchronous helper functions listed at the end of Section 4 can be used within -an interrupt handler or in an atomic context. +callbacks should be invoked in atomic context with interrupts disabled. +This implies that these callback routines must not block or sleep, but it also +means that the synchronous helper functions listed at the end of Section 4 can +be used within an interrupt handler or in an atomic context. The subsystem-level suspend callback is _entirely_ _responsible_ for handling the suspend of the device as appropriate, which may, but need not include @@ -483,6 +482,7 @@ pm_runtime_suspend() pm_runtime_autosuspend() pm_runtime_resume() pm_runtime_get_sync() +pm_runtime_put_sync() pm_runtime_put_sync_suspend() 5. Runtime PM Initialization, Device Probing and Removal |