diff --git a/arch/arm/include/asm/outercache.h b/arch/arm/include/asm/outercache.h
index 53426c6..12f71a1 100644
--- a/arch/arm/include/asm/outercache.h
+++ b/arch/arm/include/asm/outercache.h
@@ -92,6 +92,7 @@
 static inline void outer_flush_all(void) { }
 static inline void outer_inv_all(void) { }
 static inline void outer_disable(void) { }
+static inline void outer_resume(void) { }
 
 #endif