[PATCH] trivial annotations in rio
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/drivers/char/rio/rio.h b/drivers/char/rio/rio.h
index b4c9187..1bf3622 100644
--- a/drivers/char/rio/rio.h
+++ b/drivers/char/rio/rio.h
@@ -129,8 +129,8 @@
** RIO_OBJ takes hostp->Caddr and a UNIX pointer to an object and
** returns the offset into the DP RAM area.
*/
-#define RIO_PTR(C,O) (((unsigned char *)(C))+(0xFFFF&(O)))
-#define RIO_OFF(C,O) ((long)(O)-(long)(C))
+#define RIO_PTR(C,O) (((unsigned char __iomem *)(C))+(0xFFFF&(O)))
+#define RIO_OFF(C,O) ((unsigned char __iomem *)(O)-(unsigned char __iomem *)(C))
/*
** How to convert from various different device number formats: