diff --git a/include/asm-powerpc/time.h b/include/asm-powerpc/time.h
index 2d00e13..d7f5ddf 100644
--- a/include/asm-powerpc/time.h
+++ b/include/asm-powerpc/time.h
@@ -240,5 +240,7 @@
 #define snapshot_timebases()			do { } while (0)
 #endif
 
+extern void iSeries_time_init_early(void);
+
 #endif /* __KERNEL__ */
 #endif /* __POWERPC_TIME_H */