diff --git a/arch/mips/kernel/csrc-r4k.c b/arch/mips/kernel/csrc-r4k.c
index 74c5c62..0e2b5cd 100644
--- a/arch/mips/kernel/csrc-r4k.c
+++ b/arch/mips/kernel/csrc-r4k.c
@@ -5,6 +5,10 @@
  *
  * Copyright (C) 2007 by Ralf Baechle
  */
+#include <linux/clocksource.h>
+#include <linux/init.h>
+
+#include <asm/time.h>
 
 static cycle_t c0_hpt_read(void)
 {
@@ -18,7 +22,7 @@
 	.flags		= CLOCK_SOURCE_IS_CONTINUOUS,
 };
 
-static void __init init_mips_clocksource(void)
+void __init init_mips_clocksource(void)
 {
 	/* Calclate a somewhat reasonable rating value */
 	clocksource_mips.rating = 200 + mips_hpt_frequency / 10000000;