diff --git a/arch/powerpc/sysdev/cpm2.c b/arch/powerpc/sysdev/cpm2.c
index 474d176..fd969f0 100644
--- a/arch/powerpc/sysdev/cpm2.c
+++ b/arch/powerpc/sysdev/cpm2.c
@@ -52,6 +52,7 @@
  * the communication processor devices.
  */
 cpm2_map_t __iomem *cpm2_immr;
+EXPORT_SYMBOL(cpm2_immr);
 
 #define CPM_MAP_SIZE	(0x40000)	/* 256k - the PQ3 reserve this amount
 					   of space for CPM as it is larger