mtd: nand: correct comment on nand_chip badblockbits

The description for badblockbits is incorrect. I think someone just made
up a false description on the spot to satisfy some kerneldoc warning.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 63b5a8b..609868f 100644 (file)
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -448,8 +448,9 @@ struct nand_buffers {
  *                     will be copied to the appropriate nand_bbt_descr's.
  * @badblockpos:       [INTERN] position of the bad block marker in the oob
  *                     area.
- * @badblockbits:      [INTERN] number of bits to left-shift the bad block
- *                     number
+ * @badblockbits:      [INTERN] minimum number of set bits in a good block's
+ *                     bad block marker position; i.e., BBM == 11110111b is
+ *                     not bad when badblockbits == 7
  * @cellinfo:          [INTERN] MLC/multichip data from chip ident
  * @numchips:          [INTERN] number of physical chips
  * @chipsize:          [INTERN] the size of one chip for multichip arrays