dev_pm_opp_register_notifier 2151 drivers/opp/core.c int dev_pm_opp_register_notifier(struct device *dev, struct notifier_block *nb)
dev_pm_opp_register_notifier  255 include/linux/pm_opp.h static inline int dev_pm_opp_register_notifier(struct device *dev, struct notifier_block *nb)