-int copy_to_user_fromio(void __user *dst, const volatile void __iomem *src, size_t count);
-int copy_from_user_toio(volatile void __iomem *dst, const void __user *src, size_t count);
+int copy_to_user_fromio(void __user *dst, unsigned long src, size_t count);
+int copy_from_user_toio(unsigned long dst, const void __user *src, size_t count);