Documentation/power/runtime_pm.rst

67 If the subsystem chosen by applying the above rules doesn't provide the relevant
370       hasn't been scheduled (or queued up if 'delay' is 0); if the execution of
378       error code if the request hasn't been queued up
531       power.use_autosuspend isn't set, otherwise returns the expiration time
581 parent won't be able to suspend at run time, using the PM core's helper
583 runtime PM is still disabled (i.e. pm_runtime_enable() hasn't been called for
802 These functions are the defaults used by the PM core if a subsystem doesn't
854 Changing a device's power state isn't free; it requires both time and energy.
857 says that a device which hasn't been used for a while is liable to remain
863 The term "autosuspend" is an historical remnant.  It doesn't mean that the
896 autosuspend.  The ->runtime_suspend() callback can't do this rescheduling
901 However such use inevitably involves races, because the PM core can't