Documentation/power/runtime_pm.rst

95     core regards the device as suspended, which need not mean that it has been
100     'suspended'.
109     is directly set to  either 'active', or 'suspended' (the PM core provides
137     'suspended' (by means of special helper functions provided by the PM core
152 if the device can be suspended (i.e. if all of the conditions necessary for
184 (4) ->runtime_resume() can only be executed for 'suspended' devices  (i.e. the
186     PM status of which is 'suspended').
261       suspend to complete; means "start a resume as soon as you've suspended"
266       PM core as 'suspended', regardless of its real hardware status
323       success, 1 if the device's runtime PM status was already 'suspended', or
357       runtime status was already 'suspended', or error code if the request
449       PM status to 'suspended' and update its parent's counter of 'active'
459     - return true if the device's runtime PM status is 'suspended' and its
463     - return true if the device's runtime PM status is 'suspended'
557 'suspended', but it need not reflect the actual physical state of the device.
571 status should be changed back to 'suspended' with the help of
574 If the default initial runtime PM status of the device (i.e. 'suspended')
598 resumes the device if it's in the suspended state and prevents it from
599 being suspended again while those routines are being executed.
601 To allow bus types and drivers to put devices into the suspended state by
631 straightforward.  But what should happen if the device is already suspended?
643 power, even if they had been suspended before the system suspend began.  There
658   * Even though the device was suspended, if its usage counter was > 0 then most
661 If the device had been suspended before the system suspend began and it's
686 be more efficient to leave the devices that had been suspended before the system
687 suspend began in the suspended state.
692 that the device appears to be runtime-suspended and its state is fine, so it
733     - if the device has not been suspended at run time, invoke the ->suspend()
750     - if the device has not been suspended at run time, invoke the ->freeze()
760     - if the device has not been suspended at run time, invoke the ->thaw()
770     - if the device has not been suspended at run time, invoke the ->poweroff()
819 devices should be suspended.
833 unused; following this advice, drivers should not allow devices to be suspended
839 device is automatically suspended (the subsystem or driver still has to call