[PATCH -next] clockevents: fix doc warnings in clockevents.c

[Baokun Li]

Add description for `tick_cleanup_dead_cpu` to fix the W=1 warnings:

kernel/time/clockevents.c:634: warning: Function parameter or
 member 'cpu' not described in 'tick_cleanup_dead_cpu'

Signed-off-by: Baokun Li <libaokun1@xxxxxxxxxx>
---
 kernel/time/clockevents.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/time/clockevents.c b/kernel/time/clockevents.c
index 0056d2bed53e..bb9d2fe58480 100644
--- a/kernel/time/clockevents.c
+++ b/kernel/time/clockevents.c
@@ -629,6 +629,7 @@ void tick_offline_cpu(unsigned int cpu)
 
 /**
  * tick_cleanup_dead_cpu - Cleanup the tick and clockevents of a dead cpu
+ * @cpu:	The dead CPU
  */
 void tick_cleanup_dead_cpu(int cpu)
 {
-- 
2.31.1