mtd: omap2: fixing compilation warning

Fixing below warning in compilation:
drivers/mtd/nand/omap2.c: In function 'omap_write_buf_dma_pref':
drivers/mtd/nand/omap2.c:508: warning: passing argument 2 of
'omap_nand_dma_transfer' discards qualifiers from pointer target type

Signed-off-by: Vimal Singh <vimalsingh@ti.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c
index 1bb799f0125c..4eea97c03b2b 100644
--- a/drivers/mtd/nand/omap2.c
+++ b/drivers/mtd/nand/omap2.c
@@ -505,7 +505,7 @@ static void omap_write_buf_dma_pref(struct mtd_info *mtd,
                 omap_write_buf_pref(mtd, buf, len);
         else
                 /* start transfer in DMA mode */
-                omap_nand_dma_transfer(mtd, buf, len, 0x1);
+                omap_nand_dma_transfer(mtd, (u_char *) buf, len, 0x1);
 }
 
 /**