A few small fixes and improvements

Dong Aisheng (11):
  doc: ABI: devfreq: remove invalid central_polling description
  PM / devfreq: remove the invalid description for get_target_freq
  PM / devfreq: fix the wrong set_freq path for userspace governor
  PM / devfreq: bail out early if no freq changes in devfreq_set_target
  PM / devfreq: use more accurate returned new_freq as resume_freq
  PM / devfreq: drop the unnecessary low variable initialization
  PM / devfreq: check get_dev_status before start monitor
  PM / devfreq: check get_dev_status in devfreq_update_stats
  PM / devfreq: governor: optimize simpleondemand get_target_freq
  PM / devfreq: imx8m-ddrc: remove imx8m_ddrc_get_dev_status
  PM / devfreq: imx8m-ddrc: drop polling_ms

 Documentation/ABI/testing/sysfs-class-devfreq |  5 +-
 drivers/devfreq/Kconfig                       |  2 +-
 drivers/devfreq/devfreq.c                     | 21 +++++---
 drivers/devfreq/governor.h                    |  7 +--
 drivers/devfreq/governor_simpleondemand.c     | 53 ++++++++++++-------
 drivers/devfreq/imx8m-ddrc.c                  | 14 -----
 6 files changed, 55 insertions(+), 47 deletions(-)

-- 
2.25.1