diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c
index 1d47843d3cc0..0822232b62fc 100644
--- a/arch/mips/kernel/smtc.c
+++ b/arch/mips/kernel/smtc.c
@@ -41,6 +41,7 @@
 #include <asm/addrspace.h>
 #include <asm/smtc.h>
 #include <asm/smtc_proc.h>
+#include <asm/setup.h>
 
 /*
  * SMTC Kernel needs to manipulate low-level CPU interrupt mask