There is a slight bug in nand_default_block_markbad, where the offset is
cast to an integer, prior to being shifted. This means that on large
offsets, it is incorrectly doing a signed shift & losing bits. Fixed
this by doing the cast after the shift (as is done elsewhere in the code).
Signed-off-by: Andre Renaud <andre at bluewatersys.com>
Index: drivers/mtd/nand/nand_base.c
===================================================================
--- drivers/mtd/nand/nand_base.c (revision 957)
+++ drivers/mtd/nand/nand_base.c (working copy)
@@ -355,7 +355,7 @@
int block, ret;
/* Get block number */
- block = ((int)ofs) >> chip->bbt_erase_shift;
+ block = (int)(ofs >> chip->bbt_erase_shift);
if (chip->bbt)
chip->bbt[block >> 2] |= 0x01 << ((block & 0x03) << 1);
--
Bluewater Systems Ltd - ARM Technology Solutions Centre
Andre Renaud Bluewater Systems Ltd
Phone: +64 3 3779127 (Aus 1 800 148 751) Level 17, 119 Armagh St
Fax: +64 3 3779135 PO Box 13889
Email: arenaud at bluewatersys.com Christchurch
Web: http://www.bluewatersys.com New Zealand