From d5b040d0cab9cae1dc1ad61a07019062235f4878 Mon Sep 17 00:00:00 2001 From: Chanwoo Choi Date: Fri, 9 May 2014 16:43:09 +0900 Subject: PM / devfreq: Add devm_devfreq_{register,unregister}_opp_notfier function This patch add resource-managed function for devfreq opp as following functions. The devm_devfreq_register_opp_notifier() manages automatically the registration of devfreq opp using device resource management. - devm_devfreq_register_opp_notifier - devm_devfreq_unregister_opp_notifier() Signed-off-by: Chanwoo Choi Signed-off-by: MyungJoo Ham --- include/linux/devfreq.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'include/linux/devfreq.h') diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h index 023d668a2cb5..f1863dcd83ea 100644 --- a/include/linux/devfreq.h +++ b/include/linux/devfreq.h @@ -199,6 +199,10 @@ extern int devfreq_register_opp_notifier(struct device *dev, struct devfreq *devfreq); extern int devfreq_unregister_opp_notifier(struct device *dev, struct devfreq *devfreq); +extern int devm_devfreq_register_opp_notifier(struct device *dev, + struct devfreq *devfreq); +extern void devm_devfreq_unregister_opp_notifier(struct device *dev, + struct devfreq *devfreq); #if IS_ENABLED(CONFIG_DEVFREQ_GOV_SIMPLE_ONDEMAND) /** @@ -275,6 +279,16 @@ static inline int devfreq_unregister_opp_notifier(struct device *dev, return -EINVAL; } +static inline int devm_devfreq_register_opp_notifier(struct device *dev, + struct devfreq *devfreq) +{ + return -EINVAL; +} + +static inline void devm_devfreq_unregister_opp_notifier(struct device *dev, + struct devfreq *devfreq) +{ +} #endif /* CONFIG_PM_DEVFREQ */ #endif /* __LINUX_DEVFREQ_H__ */ -- cgit v1.2.3