diff --git a/arch/mips/kernel/i8253.c b/arch/mips/kernel/i8253.c
index fc4aa07..38fa1a1 100644
--- a/arch/mips/kernel/i8253.c
+++ b/arch/mips/kernel/i8253.c
@@ -15,6 +15,7 @@
 #include <asm/time.h>
 
 DEFINE_SPINLOCK(i8253_lock);
+EXPORT_SYMBOL(i8253_lock);
 
 /*
  * Initialize the PIT timer.