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Diffstat (limited to 'include/linux/pm_wakeup.h')
-rw-r--r--include/linux/pm_wakeup.h22
1 files changed, 21 insertions, 1 deletions
diff --git a/include/linux/pm_wakeup.h b/include/linux/pm_wakeup.h
index a32da962d693..d9f05113e5fb 100644
--- a/include/linux/pm_wakeup.h
+++ b/include/linux/pm_wakeup.h
@@ -41,7 +41,7 @@
* @active: Status of the wakeup source.
*/
struct wakeup_source {
- char *name;
+ const char *name;
struct list_head entry;
spinlock_t lock;
struct timer_list timer;
@@ -73,7 +73,9 @@ static inline bool device_may_wakeup(struct device *dev)
}
/* drivers/base/power/wakeup.c */
+extern void wakeup_source_prepare(struct wakeup_source *ws, const char *name);
extern struct wakeup_source *wakeup_source_create(const char *name);
+extern void wakeup_source_drop(struct wakeup_source *ws);
extern void wakeup_source_destroy(struct wakeup_source *ws);
extern void wakeup_source_add(struct wakeup_source *ws);
extern void wakeup_source_remove(struct wakeup_source *ws);
@@ -103,11 +105,16 @@ static inline bool device_can_wakeup(struct device *dev)
return dev->power.can_wakeup;
}
+static inline void wakeup_source_prepare(struct wakeup_source *ws,
+ const char *name) {}
+
static inline struct wakeup_source *wakeup_source_create(const char *name)
{
return NULL;
}
+static inline void wakeup_source_drop(struct wakeup_source *ws) {}
+
static inline void wakeup_source_destroy(struct wakeup_source *ws) {}
static inline void wakeup_source_add(struct wakeup_source *ws) {}
@@ -165,4 +172,17 @@ static inline void pm_wakeup_event(struct device *dev, unsigned int msec) {}
#endif /* !CONFIG_PM_SLEEP */
+static inline void wakeup_source_init(struct wakeup_source *ws,
+ const char *name)
+{
+ wakeup_source_prepare(ws, name);
+ wakeup_source_add(ws);
+}
+
+static inline void wakeup_source_trash(struct wakeup_source *ws)
+{
+ wakeup_source_remove(ws);
+ wakeup_source_drop(ws);
+}
+
#endif /* _LINUX_PM_WAKEUP_H */