[PATCH 3/5] mtd: Fix sparse warning.

[Marek Belisko]

Patch fix following sparse warning:
drivers/mtd/nand/nand_base.c:123:16:
warning: incorrect type in argument 1 (different address spaces)
	expected void const volatile [noderef] <asn:2>*<noident>
	got void *IO_ADDR_R

Signed-off-by: Marek Belisko <marek.belisko at open-nandra.com>
---
 include/linux/mtd/nand.h |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index cb35fd2..2befaf0 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -359,10 +359,11 @@ struct nand_buffers {
  *			(determine if errors are correctable)
  * @write_page:		[REPLACEABLE] High-level page write function
  */
-
+#define IOMEM(addr) ((void __force __iomem *)addr)
 struct nand_chip {
-	void		*IO_ADDR_R;
-	void		*IO_ADDR_W;
+	
+	void __iomem	*IO_ADDR_R;
+	void __iomem	*IO_ADDR_W;
 
 	uint8_t		(*read_byte)(struct mtd_info *mtd);
 	u16		(*read_word)(struct mtd_info *mtd);
-- 
1.7.1