mtd: onenand:fix for page addr calculation based on device type

Sending the patch for page address calculation based on device type. This resolves the
OneNAND DDP device read problem as pointed by Enric.
http://lists.infradead.org/pipermail/linux-mtd/2010-July/030920.html

Signed-off-by: Rohit HS <rohit.hs@samsung.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index 26caf2590dae..f749935f3cb5 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -377,8 +377,11 @@ static int onenand_command(struct mtd_info *mtd, int cmd, loff_t addr, size_t le
 
         default:
                 block = onenand_block(this, addr);
-                page = (int) (addr - onenand_addr(this, block)) >> this->page_shift;
-
+                if (FLEXONENAND(this))
+                        page = (int) (addr - onenand_addr(this, block))>>\
+                                this->page_shift;
+                else
+                        page = (int) (addr >> this->page_shift);
                 if (ONENAND_IS_2PLANE(this)) {
                         /* Make the even block number */
                         block &= ~1;