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>

diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index 26caf2590dae1c55ee161f64854c467934164f95..f749935f3cb53d7ff910a24b521eb02656f845b7 100644 (file)
--- 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);
 
        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;
                if (ONENAND_IS_2PLANE(this)) {
                        /* Make the even block number */
                        block &= ~1;