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-rw-r--r--include/linux/clocksource.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index a1ef46f61c81..f263b3abf46e 100644
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -14,6 +14,7 @@
#include <linux/list.h>
#include <linux/cache.h>
#include <linux/timer.h>
+#include <linux/init.h>
#include <asm/div64.h>
#include <asm/io.h>
@@ -322,6 +323,7 @@ extern void clocksource_touch_watchdog(void);
extern struct clocksource* clocksource_get_next(void);
extern void clocksource_change_rating(struct clocksource *cs, int rating);
extern void clocksource_resume(void);
+extern struct clocksource * __init __weak clocksource_default_clock(void);
#ifdef CONFIG_GENERIC_TIME_VSYSCALL
extern void update_vsyscall(struct timespec *ts, struct clocksource *c);