diff --git a/arch/mips/include/asm/mips-cm.h b/arch/mips/include/asm/mips-cm.h
index 1cb11fba59aa..edc7ee95269e 100644
--- a/arch/mips/include/asm/mips-cm.h
+++ b/arch/mips/include/asm/mips-cm.h
@@ -11,6 +11,7 @@
 #ifndef __MIPS_ASM_MIPS_CM_H__
 #define __MIPS_ASM_MIPS_CM_H__
 
+#include <linux/errno.h>
 #include <linux/io.h>
 #include <linux/types.h>