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authorChanwoo Choi <cw00.choi@samsung.com>2014-05-09 16:43:09 +0900
committerMyungJoo Ham <myungjoo.ham@samsung.com>2014-05-24 22:33:41 +0900
commitd5b040d0cab9cae1dc1ad61a07019062235f4878 (patch)
tree5a07548db72e502f84692e9fa7d9e14287ffd9cb /include/linux/devfreq.h
parentPM / devfreq: Add resource-managed function for devfreq device (diff)
downloadwireguard-linux-d5b040d0cab9cae1dc1ad61a07019062235f4878.tar.xz
wireguard-linux-d5b040d0cab9cae1dc1ad61a07019062235f4878.zip
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 <cw00.choi@samsung.com> Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Diffstat (limited to 'include/linux/devfreq.h')
-rw-r--r--include/linux/devfreq.h14
1 files changed, 14 insertions, 0 deletions
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__ */