The las0, las1, and lcfg variables in struct rtdPrivate are all
ioremap'ed pci resources and should be void __iomem *
not void *.

This quiets a lot of sparse warings for the writel and readl like:

warning: incorrect type in argument 1 (different address spaces)
   expected void const volatile [noderef] <asn:2>*addr
   got void *<noident>

warning: incorrect type in argument 2 (different address spaces)
   expected void volatile [noderef] <asn:2>*addr
   got void *

Signed-off-by: H Hartley Sweeten <[email protected]>
Cc: Ian Abbott <[email protected]>
Cc: Mori Hess <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>

---

diff --git a/drivers/staging/comedi/drivers/rtd520.c 
b/drivers/staging/comedi/drivers/rtd520.c
index 0c15b82..0e62bae 100644
--- a/drivers/staging/comedi/drivers/rtd520.c
+++ b/drivers/staging/comedi/drivers/rtd520.c
@@ -339,9 +339,9 @@ static const struct rtdBoard rtd520Boards[] = {
 */
 struct rtdPrivate {
        /* memory mapped board structures */
-       void *las0;
-       void *las1;
-       void *lcfg;
+       void __iomem *las0;
+       void __iomem *las1;
+       void __iomem *lcfg;
 
        unsigned long intCount; /* interrupt count */
        long aiCount;           /* total transfer size (samples) */
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