mtd: use bbm.h in nand.h

This consolidates common code in nand.h and bbm.h. The
comments and data structures were the same, this keeps
the comment from nand.h as it fits 80 columns, while the one
in bbm.h did not.

Signed-off-by: Alessandro Rubini <rubini@unipv.it>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

1 files changed, 18 insertions, 17 deletions

diff --git a/include/linux/mtd/bbm.h b/include/linux/mtd/bbm.h
index fff8c53e5434..9c3757c5759d 100644
--- a/include/linux/mtd/bbm.h
+++ b/include/linux/mtd/bbm.h
@@ -19,22 +19,21 @@
 
 /**
  * struct nand_bbt_descr - bad block table descriptor
- * @options:            options for this descriptor
- * @pages:              the page(s) where we find the bbt, used with
- *                      option BBT_ABSPAGE when bbt is searched,
- *                      then we store the found bbts pages here.
- *                      Its an array and supports up to 8 chips now
- * @offs:               offset of the pattern in the oob area of the page
- * @veroffs:            offset of the bbt version counter in the oob area of the page
- * @version:            version read from the bbt page during scan
- * @len:                length of the pattern, if 0 no pattern check is performed
- * @maxblocks:          maximum number of blocks to search for a bbt. This
- *                      number of blocks is reserved at the end of the device
- *                      where the tables are written.
- * @reserved_block_code: if non-0, this pattern denotes a reserved
- *                      (rather than bad) block in the stored bbt
- * @pattern:            pattern to identify bad block table or factory marked
- *                      good / bad blocks, can be NULL, if len = 0
+ * @options:    options for this descriptor
+ * @pages:      the page(s) where we find the bbt, used with option BBT_ABSPAGE
+ *              when bbt is searched, then we store the found bbts pages here.
+ *              Its an array and supports up to 8 chips now
+ * @offs:       offset of the pattern in the oob area of the page
+ * @veroffs:    offset of the bbt version counter in the oob are of the page
+ * @version:    version read from the bbt page during scan
+ * @len:        length of the pattern, if 0 no pattern check is performed
+ * @maxblocks:  maximum number of blocks to search for a bbt. This number of
+ *              blocks is reserved at the end of the device where the tables are
+ *              written.
+ * @reserved_block_code: if non-0, this pattern denotes a reserved (rather than
+ *              bad) block in the stored bbt
+ * @pattern:    pattern to identify bad block table or factory marked good /
+ *              bad blocks, can be NULL, if len = 0
  *
  * Descriptor for the bad block table marker and the descriptor for the
  * pattern which identifies good and bad blocks. The assumption is made
@@ -90,7 +89,9 @@ struct nand_bbt_descr {
 /*
  * Constants for oob configuration
  */
-#define ONENAND_BADBLOCK_POS    0
+#define NAND_SMALL_BADBLOCK_POS         5
+#define NAND_LARGE_BADBLOCK_POS         0
+#define ONENAND_BADBLOCK_POS            0
 
 /*
  * Bad block scanning errors