diff --git a/arch/arm/mach-mvebu/coherency.h b/arch/arm/mach-mvebu/coherency.h
index 54cb7607b526..6067f14263f7 100644
--- a/arch/arm/mach-mvebu/coherency.h
+++ b/arch/arm/mach-mvebu/coherency.h
@@ -14,6 +14,7 @@
 #ifndef __MACH_370_XP_COHERENCY_H
 #define __MACH_370_XP_COHERENCY_H
 
+extern void __iomem *coherency_base;	/* for coherency_ll.S */
 extern unsigned long coherency_phys_base;
 int set_cpu_coherent(void);