timerqueue: Make timerqueue_getnext() static inline

No point in calling a function just to dereference a pointer.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: John Stultz <john.stultz@linaro.org>
diff --git a/include/linux/timerqueue.h b/include/linux/timerqueue.h
index 406b103..d24aaba 100644
--- a/include/linux/timerqueue.h
+++ b/include/linux/timerqueue.h
@@ -20,10 +20,23 @@
 				struct timerqueue_node *node);
 extern void timerqueue_del(struct timerqueue_head *head,
 				struct timerqueue_node *node);
-extern struct timerqueue_node *timerqueue_getnext(struct timerqueue_head *head);
 extern struct timerqueue_node *timerqueue_iterate_next(
 						struct timerqueue_node *node);
 
+/**
+ * timerqueue_getnext - Returns the timer with the earlies expiration time
+ *
+ * @head: head of timerqueue
+ *
+ * Returns a pointer to the timer node that has the
+ * earliest expiration time.
+ */
+static inline
+struct timerqueue_node *timerqueue_getnext(struct timerqueue_head *head)
+{
+	return head->next;
+}
+
 static inline void timerqueue_init(struct timerqueue_node *node)
 {
 	RB_CLEAR_NODE(&node->node);