UBI: block: Use 'u64' for the 64-bit dividend

Fixes the following warning on ARCH=avr32:

  drivers/mtd/ubi/block.c: In function 'ubiblock_read':
  drivers/mtd/ubi/block.c:207: warning: comparison of distinct pointer types lacks a cast

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/mtd/ubi/block.c b/drivers/mtd/ubi/block.c
index cd6be981be30..16e67318acf3 100644
--- a/drivers/mtd/ubi/block.c
+++ b/drivers/mtd/ubi/block.c
@@ -201,7 +201,7 @@ static int ubiblock_read(struct ubiblock *dev, char *buffer,
         int ret, leb, offset;
         int bytes_left = len;
         int to_read = len;
-        loff_t pos = sec << 9;
+        u64 pos = sec << 9;
 
         /* Get LEB:offset address to read from */
         offset = do_div(pos, dev->leb_size);