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Diffstat (limited to 'include/linux/devfreq.h')
-rw-r--r--include/linux/devfreq.h106
1 files changed, 52 insertions, 54 deletions
diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h
index c6f82d4bec9f..57e871a559a9 100644
--- a/include/linux/devfreq.h
+++ b/include/linux/devfreq.h
@@ -158,7 +158,7 @@ struct devfreq_stats {
* functions except for the context of callbacks defined in struct
* devfreq_governor, the governor should protect its access with the
* struct mutex lock in struct devfreq. A governor may use this mutex
- * to protect its own private data in void *data as well.
+ * to protect its own private data in ``void *data`` as well.
*/
struct devfreq {
struct list_head node;
@@ -201,24 +201,23 @@ struct devfreq_freqs {
};
#if defined(CONFIG_PM_DEVFREQ)
-extern struct devfreq *devfreq_add_device(struct device *dev,
- struct devfreq_dev_profile *profile,
- const char *governor_name,
- void *data);
-extern int devfreq_remove_device(struct devfreq *devfreq);
-extern struct devfreq *devm_devfreq_add_device(struct device *dev,
- struct devfreq_dev_profile *profile,
- const char *governor_name,
- void *data);
-extern void devm_devfreq_remove_device(struct device *dev,
- struct devfreq *devfreq);
+struct devfreq *devfreq_add_device(struct device *dev,
+ struct devfreq_dev_profile *profile,
+ const char *governor_name,
+ void *data);
+int devfreq_remove_device(struct devfreq *devfreq);
+struct devfreq *devm_devfreq_add_device(struct device *dev,
+ struct devfreq_dev_profile *profile,
+ const char *governor_name,
+ void *data);
+void devm_devfreq_remove_device(struct device *dev, struct devfreq *devfreq);
/* Supposed to be called by PM callbacks */
-extern int devfreq_suspend_device(struct devfreq *devfreq);
-extern int devfreq_resume_device(struct devfreq *devfreq);
+int devfreq_suspend_device(struct devfreq *devfreq);
+int devfreq_resume_device(struct devfreq *devfreq);
-extern void devfreq_suspend(void);
-extern void devfreq_resume(void);
+void devfreq_suspend(void);
+void devfreq_resume(void);
/**
* update_devfreq() - Reevaluate the device and configure frequency
@@ -226,39 +225,38 @@ extern void devfreq_resume(void);
*
* Note: devfreq->lock must be held
*/
-extern int update_devfreq(struct devfreq *devfreq);
+int update_devfreq(struct devfreq *devfreq);
/* Helper functions for devfreq user device driver with OPP. */
-extern struct dev_pm_opp *devfreq_recommended_opp(struct device *dev,
- unsigned long *freq, u32 flags);
-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);
-extern int devfreq_register_notifier(struct devfreq *devfreq,
- struct notifier_block *nb,
- unsigned int list);
-extern int devfreq_unregister_notifier(struct devfreq *devfreq,
- struct notifier_block *nb,
- unsigned int list);
-extern int devm_devfreq_register_notifier(struct device *dev,
+struct dev_pm_opp *devfreq_recommended_opp(struct device *dev,
+ unsigned long *freq, u32 flags);
+int devfreq_register_opp_notifier(struct device *dev,
+ struct devfreq *devfreq);
+int devfreq_unregister_opp_notifier(struct device *dev,
+ struct devfreq *devfreq);
+int devm_devfreq_register_opp_notifier(struct device *dev,
+ struct devfreq *devfreq);
+void devm_devfreq_unregister_opp_notifier(struct device *dev,
+ struct devfreq *devfreq);
+int devfreq_register_notifier(struct devfreq *devfreq,
+ struct notifier_block *nb,
+ unsigned int list);
+int devfreq_unregister_notifier(struct devfreq *devfreq,
+ struct notifier_block *nb,
+ unsigned int list);
+int devm_devfreq_register_notifier(struct device *dev,
struct devfreq *devfreq,
struct notifier_block *nb,
unsigned int list);
-extern void devm_devfreq_unregister_notifier(struct device *dev,
+void devm_devfreq_unregister_notifier(struct device *dev,
struct devfreq *devfreq,
struct notifier_block *nb,
unsigned int list);
-extern struct devfreq *devfreq_get_devfreq_by_phandle(struct device *dev,
- int index);
+struct devfreq *devfreq_get_devfreq_by_phandle(struct device *dev, int index);
#if IS_ENABLED(CONFIG_DEVFREQ_GOV_SIMPLE_ONDEMAND)
/**
- * struct devfreq_simple_ondemand_data - void *data fed to struct devfreq
+ * struct devfreq_simple_ondemand_data - ``void *data`` fed to struct devfreq
* and devfreq_add_device
* @upthreshold: If the load is over this value, the frequency jumps.
* Specify 0 to use the default. Valid value = 0 to 100.
@@ -278,7 +276,7 @@ struct devfreq_simple_ondemand_data {
#if IS_ENABLED(CONFIG_DEVFREQ_GOV_PASSIVE)
/**
- * struct devfreq_passive_data - void *data fed to struct devfreq
+ * struct devfreq_passive_data - ``void *data`` fed to struct devfreq
* and devfreq_add_device
* @parent: the devfreq instance of parent device.
* @get_target_freq: Optional callback, Returns desired operating frequency
@@ -311,9 +309,9 @@ struct devfreq_passive_data {
#else /* !CONFIG_PM_DEVFREQ */
static inline struct devfreq *devfreq_add_device(struct device *dev,
- struct devfreq_dev_profile *profile,
- const char *governor_name,
- void *data)
+ struct devfreq_dev_profile *profile,
+ const char *governor_name,
+ void *data)
{
return ERR_PTR(-ENOSYS);
}
@@ -350,31 +348,31 @@ static inline void devfreq_suspend(void) {}
static inline void devfreq_resume(void) {}
static inline struct dev_pm_opp *devfreq_recommended_opp(struct device *dev,
- unsigned long *freq, u32 flags)
+ unsigned long *freq, u32 flags)
{
return ERR_PTR(-EINVAL);
}
static inline int devfreq_register_opp_notifier(struct device *dev,
- struct devfreq *devfreq)
+ struct devfreq *devfreq)
{
return -EINVAL;
}
static inline int devfreq_unregister_opp_notifier(struct device *dev,
- struct devfreq *devfreq)
+ struct devfreq *devfreq)
{
return -EINVAL;
}
static inline int devm_devfreq_register_opp_notifier(struct device *dev,
- struct devfreq *devfreq)
+ struct devfreq *devfreq)
{
return -EINVAL;
}
static inline void devm_devfreq_unregister_opp_notifier(struct device *dev,
- struct devfreq *devfreq)
+ struct devfreq *devfreq)
{
}
@@ -393,22 +391,22 @@ static inline int devfreq_unregister_notifier(struct devfreq *devfreq,
}
static inline int devm_devfreq_register_notifier(struct device *dev,
- struct devfreq *devfreq,
- struct notifier_block *nb,
- unsigned int list)
+ struct devfreq *devfreq,
+ struct notifier_block *nb,
+ unsigned int list)
{
return 0;
}
static inline void devm_devfreq_unregister_notifier(struct device *dev,
- struct devfreq *devfreq,
- struct notifier_block *nb,
- unsigned int list)
+ struct devfreq *devfreq,
+ struct notifier_block *nb,
+ unsigned int list)
{
}
static inline struct devfreq *devfreq_get_devfreq_by_phandle(struct device *dev,
- int index)
+ int index)
{
return ERR_PTR(-ENODEV);
}