-#define inb(port) readb((u8 *)((port)+_IO_BASE))
-#define outb(val, port) writeb((val),(u8 *)((unsigned long)(port)+_IO_BASE))
-#define inw(port) readw((u16 *)((port)+_IO_BASE))
-#define outw(val, port) writew((val),(u16 *)((unsigned long)(port)+_IO_BASE))
-#define inl(port) readl((u32 *)((port)+_IO_BASE))
+#define inb(port) readb((u8 *)((port)))
+#define outb(val, port) writeb((val),(u8 *)((unsigned long)(port)))
+#define inw(port) readw((u16 *)((port)))
+#define outw(val, port) writew((val),(u16 *)((unsigned long)(port)))
+#define inl(port) readl((u32 *)((port)))