devfreq_unregister_opp_notifier 1551 drivers/devfreq/devfreq.c int devfreq_unregister_opp_notifier(struct device *dev, struct devfreq *devfreq)
devfreq_unregister_opp_notifier  349 include/linux/devfreq.h static inline int devfreq_unregister_opp_notifier(struct device *dev,