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authorLinus Torvalds <torvalds@linux-foundation.org>2011-08-06 13:26:37 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-08-06 13:26:37 -0700
commitce195d328485459b77672ef20485a8e4f21477b5 (patch)
tree60dacf394d6f002e41ee6b89561a2eea4dbee0ef /Documentation
parent2560540b78b48c8050f56e8ff5903c11a4f7a16e (diff)
parent02b26774afebb2d62695ba3230319d70d8c6cc2d (diff)
downloadlwn-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.txt10
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