target/linux/omap35xx/patches-2.6.36/004-nand_subpage_align.patch

   1 diff -urN linux-2.6.38.old/drivers/mtd/nand/omap2.c linux-2.6.38/drivers/mtd/nand/omap2.c
   2 --- linux-2.6.38.old/drivers/mtd/nand/omap2.c   2011-03-15 02:20:32.000000000 +0100
   3 +++ linux-2.6.38/drivers/mtd/nand/omap2.c       2011-03-21 15:05:21.000000000 +0100
   4 @@ -245,6 +245,18 @@
   5         int ret = 0;
   6         u32 *p = (u32 *)buf;
   7
   8 +       /* u32 align the buffer and read */
   9 +       /* NB: This assumes the buf ptr can be aligned *down* which is a valid.
  10 +       * Assumption when dealing with ecc buffers etc.
  11 +       */
  12 +       u32 addr = (u32)p;
  13 +
  14 +       int diff = addr & 3;
  15 +       addr -= diff;
  16 +       len += diff;
  17 +       len = (len + 3) & ~3;
  18 +       p = (u32 *)addr;
  19 +
  20         /* take care of subpage reads */
  21         if (len % 4) {
  22                 if (info->nand.options & NAND_BUSWIDTH_16)