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| author | Rafael J. Wysocki <rjw@sisk.pl> | 2009-12-03 23:19:18 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki <rjw@sisk.pl> | 2009-12-06 18:17:57 +0300 |
| commit | 7a1a8eb58a2c6cd819d17332c5a2c369203635d5 (patch) | |
| tree | 2424ca8b41f97a0d4110218ef75caa50270c194a /Documentation/power | |
| parent | 965c4ac0613b071d6f035334c5d9d942013df4f9 (diff) | |
| download | linux-7a1a8eb58a2c6cd819d17332c5a2c369203635d5.tar.xz | |
PM: Add flag for devices capable of generating run-time wake-up events
Apparently, there are devices that can wake up the system from sleep
states and yet are incapable of generating wake-up events at run
time. Thus, introduce a flag indicating if given device is capable
of generating run-time wake-up events.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Diffstat (limited to 'Documentation/power')
| -rw-r--r-- | Documentation/power/runtime_pm.txt | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/Documentation/power/runtime_pm.txt b/Documentation/power/runtime_pm.txt index 6bb25cb24da9..4a3109b28847 100644 --- a/Documentation/power/runtime_pm.txt +++ b/Documentation/power/runtime_pm.txt @@ -71,9 +71,9 @@ what to do to handle the device). purpose). In particular, if the driver requires remote wakeup capability for proper -functioning and device_may_wakeup() returns 'false' for the device, then +functioning and device_run_wake() returns 'false' for the device, then ->runtime_suspend() should return -EBUSY. On the other hand, if -device_may_wakeup() returns 'true' for the device and the device is put +device_run_wake() returns 'true' for the device and the device is put into a low power state during the execution of its bus type's ->runtime_suspend(), it is expected that remote wake-up (i.e. hardware mechanism allowing the device to request a change of its power state, such as PCI PME) @@ -215,6 +215,9 @@ defined in include/linux/pm.h: being executed for that device and it is not practical to wait for the suspend to complete; means "start a resume as soon as you've suspended" + unsigned int run_wake; + - set if the device is capable of generating run-time wake-up events + enum rpm_status runtime_status; - the run-time PM status of the device; this field's initial value is RPM_SUSPENDED, which means that each device is initially regarded by the |