#define IO_SPACE_LIMIT 0xffff
-#define __io(a) (PCI_IO_VADDR + (a))
-#define __mem_pci(a) ((unsigned long)(a))
-#define __mem_isa(a) (PCI_MEMORY_VADDR + (unsigned long)(a))
+#define __io(a) ((void __iomem *)(PCI_IO_VADDR + (a)))
+#define __mem_pci(a) (a)
+#define __mem_isa(a) ((a) + PCI_MEMORY_VADDR)
#endif