Merge branch 'pm-runtime' into pm-test

* pm-runtime:
  PM / Runtime: Don't run callbacks under lock for power.irq_safe set
  PM / Runtime: pm_runtime_idle() can be called in atomic context
  PM / Runtime: Add macro to test for runtime PM events
  PM / Runtime: Add might_sleep() to runtime PM functions

diff --cc Documentation/power/runtime_pm.txt
Simple merge

diff --cc drivers/bluetooth/btusb.c
Simple merge

diff --cc drivers/usb/core/hcd.c
Simple merge

diff --cc sound/usb/card.c
Simple merge