This patchset enables debugging of low power idle. This is done by checking
all the required constraints on wake.

v2
- Changes as suggested by Lukas Wunner.
- Using pm_debug_messages_on attribute to prevent constraints check to
save some cycles on wake.

Srinivas Pandruvada (2):
  PM / sleep: Export the setting of pm_debug_messages_on
  ACPI / Sleep: Check low power idle constraints for debug only

 drivers/acpi/sleep.c    | 162 ++++++++++++++++++++++++++++++++++++++++++++++++
 include/linux/suspend.h |   6 ++
 kernel/power/main.c     |   5 ++
 3 files changed, 173 insertions(+)

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2.7.5