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-rw-r--r--Documentation/power/devices.txt9
1 files changed, 5 insertions, 4 deletions
diff --git a/Documentation/power/devices.txt b/Documentation/power/devices.txt
index 872815cd41d3..504dfe4d52eb 100644
--- a/Documentation/power/devices.txt
+++ b/Documentation/power/devices.txt
@@ -583,9 +583,10 @@ for the given device during all power transitions, instead of the respective
583subsystem-level callbacks. Specifically, if a device's pm_domain pointer is 583subsystem-level callbacks. Specifically, if a device's pm_domain pointer is
584not NULL, the ->suspend() callback from the object pointed to by it will be 584not NULL, the ->suspend() callback from the object pointed to by it will be
585executed instead of its subsystem's (e.g. bus type's) ->suspend() callback and 585executed instead of its subsystem's (e.g. bus type's) ->suspend() callback and
586anlogously for all of the remaining callbacks. In other words, power management 586analogously for all of the remaining callbacks. In other words, power
587domain callbacks, if defined for the given device, always take precedence over 587management domain callbacks, if defined for the given device, always take
588the callbacks provided by the device's subsystem (e.g. bus type). 588precedence over the callbacks provided by the device's subsystem (e.g. bus
589type).
589 590
590The support for device power management domains is only relevant to platforms 591The support for device power management domains is only relevant to platforms
591needing to use the same device driver power management callbacks in many 592needing to use the same device driver power management callbacks in many
@@ -598,7 +599,7 @@ it into account in any way.
598Device Low Power (suspend) States 599Device Low Power (suspend) States
599--------------------------------- 600---------------------------------
600Device low-power states aren't standard. One device might only handle 601Device low-power states aren't standard. One device might only handle
601"on" and "off, while another might support a dozen different versions of 602"on" and "off", while another might support a dozen different versions of
602"on" (how many engines are active?), plus a state that gets back to "on" 603"on" (how many engines are active?), plus a state that gets back to "on"
603faster than from a full "off". 604faster than from a full "off".
604 605