diff --git a/drivers/net/ethernet/broadcom/bgmac.h b/drivers/net/ethernet/broadcom/bgmac.h
index 4040d846da8e..40d02fec2747 100644
--- a/drivers/net/ethernet/broadcom/bgmac.h
+++ b/drivers/net/ethernet/broadcom/bgmac.h
@@ -479,9 +479,9 @@ struct bgmac_rx_header {
 struct bgmac {
 	union {
 		struct {
-			void *base;
-			void *idm_base;
-			void *nicpm_base;
+			void __iomem *base;
+			void __iomem *idm_base;
+			void __iomem *nicpm_base;
 		} plat;
 		struct {
 			struct bcma_device *core;