-#define OUTW_OFF(o, val) writew_b2l((val), (char *)np->reg + ncr_offw(o))
-#define OUTL_OFF(o, val) writel_b2l((val), (char *)np->reg + (o))
+#define OUTW_OFF(o, val) writew_b2l((val), (char __iomem *)np->reg + ncr_offw(o))
+#define OUTL_OFF(o, val) writel_b2l((val), (char __iomem *)np->reg + (o))