timer: remove clockevents_unregister_notifier
I find a function(clockevents_unregister_notifier) which is not called by
anything in tree.
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/include/linux/clockchips.h b/include/linux/clockchips.h
index e0bd46e..def5a65 100644
--- a/include/linux/clockchips.h
+++ b/include/linux/clockchips.h
@@ -123,7 +123,6 @@
extern void clockevents_set_mode(struct clock_event_device *dev,
enum clock_event_mode mode);
extern int clockevents_register_notifier(struct notifier_block *nb);
-extern void clockevents_unregister_notifier(struct notifier_block *nb);
extern int clockevents_program_event(struct clock_event_device *dev,
ktime_t expires, ktime_t now);
diff --git a/kernel/time/clockevents.c b/kernel/time/clockevents.c
index 2ad1c37..41dd310 100644
--- a/kernel/time/clockevents.c
+++ b/kernel/time/clockevents.c
@@ -113,16 +113,6 @@
return ret;
}
-/**
- * clockevents_unregister_notifier - unregister a clock events change listener
- */
-void clockevents_unregister_notifier(struct notifier_block *nb)
-{
- spin_lock(&clockevents_lock);
- raw_notifier_chain_unregister(&clockevents_chain, nb);
- spin_unlock(&clockevents_lock);
-}
-
/*
* Notify about a clock event change. Called with clockevents_lock
* held.