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authorRafael J. Wysocki <rjw@sisk.pl>2011-11-23 15:19:57 -0500
committerRafael J. Wysocki <rjw@sisk.pl>2011-11-28 16:14:27 -0500
commitfa8ce723936460fcf7e49f508fd5dbd5125e39c4 (patch)
tree9a5dd5d6ab1e780d4209d79dd49c7890c3909f44 /Documentation
parent5841eb6402707a387b216373e65c9c28e8136663 (diff)
PM / Sleep: Correct inaccurate information in devices.txt
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>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/power/devices.txt7
1 files changed, 3 insertions, 4 deletions
diff --git a/Documentation/power/devices.txt b/Documentation/power/devices.txt
index 4342acbeee10..ed3228884133 100644
--- a/Documentation/power/devices.txt
+++ b/Documentation/power/devices.txt
@@ -250,7 +250,7 @@ for every device before the next phase begins. Not all busses or classes
250support all these callbacks and not all drivers use all the callbacks. The 250support all these callbacks and not all drivers use all the callbacks. The
251various phases always run after tasks have been frozen and before they are 251various phases always run after tasks have been frozen and before they are
252unfrozen. Furthermore, the *_noirq phases run at a time when IRQ handlers have 252unfrozen. Furthermore, the *_noirq phases run at a time when IRQ handlers have
253been disabled (except for those marked with the IRQ_WAKEUP flag). 253been disabled (except for those marked with the IRQF_NO_SUSPEND flag).
254 254
255All phases use PM domain, bus, type, or class callbacks (that is, methods 255All phases use PM domain, bus, type, or class callbacks (that is, methods
256defined in dev->pm_domain->ops, dev->bus->pm, dev->type->pm, or dev->class->pm). 256defined 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:
295 295
296 After the prepare callback method returns, no new children may be 296 After the prepare callback method returns, no new children may be
297 registered below the device. The method may also prepare the device or 297 registered below the device. The method may also prepare the device or
298 driver in some way for the upcoming system power transition (for 298 driver in some way for the upcoming system power transition, but it
299 example, by allocating additional memory required for this purpose), but 299 should not put the device into a low-power state.
300 it should not put the device into a low-power state.
301 300
302 2. The suspend methods should quiesce the device to stop it from performing 301 2. The suspend methods should quiesce the device to stop it from performing
303 I/O. They also may save the device registers and put it into the 302 I/O. They also may save the device registers and put it into the