diff options
| -rw-r--r-- | Documentation/power/runtime_pm.txt | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/Documentation/power/runtime_pm.txt b/Documentation/power/runtime_pm.txt index 8cc48b05939d..0c1c4124d23a 100644 --- a/Documentation/power/runtime_pm.txt +++ b/Documentation/power/runtime_pm.txt | |||
| @@ -727,15 +727,12 @@ driver/base/power/generic_ops.c: | |||
| 727 | int pm_generic_restore_noirq(struct device *dev); | 727 | int pm_generic_restore_noirq(struct device *dev); |
| 728 | - invoke the ->restore_noirq() callback provided by the device's driver | 728 | - invoke the ->restore_noirq() callback provided by the device's driver |
| 729 | 729 | ||
| 730 | These functions can be assigned to the ->runtime_idle(), ->runtime_suspend(), | 730 | These functions are the defaults used by the PM core, if a subsystem doesn't |
| 731 | provide its own callbacks for ->runtime_idle(), ->runtime_suspend(), | ||
| 731 | ->runtime_resume(), ->suspend(), ->suspend_noirq(), ->resume(), | 732 | ->runtime_resume(), ->suspend(), ->suspend_noirq(), ->resume(), |
| 732 | ->resume_noirq(), ->freeze(), ->freeze_noirq(), ->thaw(), ->thaw_noirq(), | 733 | ->resume_noirq(), ->freeze(), ->freeze_noirq(), ->thaw(), ->thaw_noirq(), |
| 733 | ->poweroff(), ->poweroff_noirq(), ->restore(), ->restore_noirq() callback | 734 | ->poweroff(), ->poweroff_noirq(), ->restore(), ->restore_noirq() in the |
| 734 | pointers in the subsystem-level dev_pm_ops structures. | 735 | subsystem-level dev_pm_ops structure. |
| 735 | |||
| 736 | If a subsystem wishes to use all of them at the same time, it can simply assign | ||
| 737 | the GENERIC_SUBSYS_PM_OPS macro, defined in include/linux/pm.h, to its | ||
| 738 | dev_pm_ops structure pointer. | ||
| 739 | 736 | ||
| 740 | Device drivers that wish to use the same function as a system suspend, freeze, | 737 | Device drivers that wish to use the same function as a system suspend, freeze, |
| 741 | poweroff and runtime suspend callback, and similarly for system resume, thaw, | 738 | poweroff and runtime suspend callback, and similarly for system resume, thaw, |
