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PM / Sleep: Correct inaccurate information in devices.txt

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The documentation file Documentation/power/devices.txt contains some
information that isn't correct any more due to code modifications
made after that file had been created (or updated last time).  Fix
this.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
This commit is contained in:
Rafael J. Wysocki 2011-11-23 21:19:57 +01:00
parent 5841eb6402
commit fa8ce72393
1 changed files with 3 additions and 4 deletions
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7
Documentation/power/devices.txt
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@ -250,7 +250,7 @@ for every device before the next phase begins. Not all busses or classes
support all these callbacks and not all drivers use all the callbacks. The support all these callbacks and not all drivers use all the callbacks. The
various phases always run after tasks have been frozen and before they are various phases always run after tasks have been frozen and before they are
unfrozen. Furthermore, the *_noirq phases run at a time when IRQ handlers have unfrozen. Furthermore, the *_noirq phases run at a time when IRQ handlers have
been disabled (except for those marked with the IRQ_WAKEUP flag). been disabled (except for those marked with the IRQF_NO_SUSPEND flag).
All phases use PM domain, bus, type, or class callbacks (that is, methods All phases use PM domain, bus, type, or class callbacks (that is, methods
defined in dev->pm_domain->ops, dev->bus->pm, dev->type->pm, or dev->class->pm). defined in dev->pm_domain->ops, dev->bus->pm, dev->type->pm, or dev->class->pm).
@ -295,9 +295,8 @@ When the system goes into the standby or memory sleep state, the phases are:
After the prepare callback method returns, no new children may be After the prepare callback method returns, no new children may be
registered below the device. The method may also prepare the device or registered below the device. The method may also prepare the device or
driver in some way for the upcoming system power transition (for driver in some way for the upcoming system power transition, but it
example, by allocating additional memory required for this purpose), but should not put the device into a low-power state.
it should not put the device into a low-power state.
2. The suspend methods should quiesce the device to stop it from performing 2. The suspend methods should quiesce the device to stop it from performing
I/O. They also may save the device registers and put it into the I/O. They also may save the device registers and put it into the