1 files changed, 11 insertions, 1 deletions

diff --git a/include/linux/alarmtimer.h b/include/linux/alarmtimer.h
index 6b364b2e2074..c5d6095b46f8 100644
--- a/include/linux/alarmtimer.h
+++ b/include/linux/alarmtimer.h
@@ -13,12 +13,22 @@ enum alarmtimer_type {
         ALARM_NUMTYPE,
 };
 
+/**
+ * struct alarm - Alarm timer structure
+ * @node:       timerqueue node for adding to the event list this value
+ *              also includes the expiration time.
+ * @period:     Period for recuring alarms
+ * @function:   Function pointer to be executed when the timer fires.
+ * @type:       Alarm type (BOOTTIME/REALTIME)
+ * @enabled:    Flag that represents if the alarm is set to fire or not
+ * @data:       Internal data value.
+ */
 struct alarm {
         struct timerqueue_node  node;
         ktime_t                 period;
         void                    (*function)(struct alarm *);
         enum alarmtimer_type    type;
-        char                    enabled;
+        bool                    enabled;
         void                    *data;
 };