diff options
Diffstat (limited to 'include/linux/mc146818rtc.h')
| -rw-r--r-- | include/linux/mc146818rtc.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/mc146818rtc.h b/include/linux/mc146818rtc.h index cab50dd9e..455acd9ab 100644 --- a/include/linux/mc146818rtc.h +++ b/include/linux/mc146818rtc.h @@ -15,6 +15,8 @@ #include <linux/rtc.h> /* get the user-level API */ #include <asm/mc146818rtc.h> /* register access macros */ +extern spinlock_t rtc_lock; /* serialize CMOS RAM access */ + /********************************************************************** * register summary **********************************************************************/ |