1 files changed, 13 insertions, 4 deletions

diff --git a/include/linux/suspend.h b/include/linux/suspend.h
index bc7d6bb4cd8e..4af270ec2204 100644
--- a/include/linux/suspend.h
+++ b/include/linux/suspend.h
@@ -61,14 +61,15 @@ typedef int __bitwise suspend_state_t;
  *      before device drivers' late suspend callbacks are executed.  It returns
  *      0 on success or a negative error code otherwise, in which case the
  *      system cannot enter the desired sleep state (@prepare_late(), @enter(),
- *      @wake(), and @finish() will not be called in that case).
+ *      and @wake() will not be called in that case).
  *
  * @prepare_late: Finish preparing the platform for entering the system sleep
  *      state indicated by @begin().
  *      @prepare_late is called before disabling nonboot CPUs and after
  *      device drivers' late suspend callbacks have been executed.  It returns
  *      0 on success or a negative error code otherwise, in which case the
- *      system cannot enter the desired sleep state (@enter() and @wake()).
+ *      system cannot enter the desired sleep state (@enter() will not be
+ *      executed).
  *
  * @enter: Enter the system sleep state indicated by @begin() or represented by
  *      the argument if @begin() is not implemented.
@@ -81,14 +82,15 @@ typedef int __bitwise suspend_state_t;
  *      resume callbacks are executed.
  *      This callback is optional, but should be implemented by the platforms
  *      that implement @prepare_late().  If implemented, it is always called
- *      after @enter(), even if @enter() fails.
+ *      after @prepare_late and @enter(), even if one of them fails.
  *
  * @finish: Finish wake-up of the platform.
  *      @finish is called right prior to calling device drivers' regular suspend
  *      callbacks.
  *      This callback is optional, but should be implemented by the platforms
  *      that implement @prepare().  If implemented, it is always called after
- *      @enter() and @wake(), if implemented, even if any of them fails.
+ *      @enter() and @wake(), even if any of them fails.  It is executed after
+ *      a failing @prepare.
  *
  * @end: Called by the PM core right after resuming devices, to indicate to
  *      the platform that the system has returned to the working state or
@@ -286,6 +288,13 @@ extern int unregister_pm_notifier(struct notifier_block *nb);
                 { .notifier_call = fn, .priority = pri };       \
         register_pm_notifier(&fn##_nb);                 \
 }
+
+/* drivers/base/power/wakeup.c */
+extern bool events_check_enabled;
+
+extern bool pm_check_wakeup_events(void);
+extern bool pm_get_wakeup_count(unsigned long *count);
+extern bool pm_save_wakeup_count(unsigned long count);
 #else /* !CONFIG_PM_SLEEP */
 
 static inline int register_pm_notifier(struct notifier_block *nb)