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Diffstat (limited to 'include/linux/mtd/nand.h')
-rw-r--r--include/linux/mtd/nand.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 63b5a8b6dfbd..1482340d3d9f 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -324,6 +324,7 @@ struct nand_hw_control {
* @steps: number of ECC steps per page
* @size: data bytes per ECC step
* @bytes: ECC bytes per step
+ * @strength: max number of correctible bits per ECC step
* @total: total number of ECC bytes per page
* @prepad: padding information for syndrome based ECC generators
* @postpad: padding information for syndrome based ECC generators
@@ -351,6 +352,7 @@ struct nand_ecc_ctrl {
int size;
int bytes;
int total;
+ int strength;
int prepad;
int postpad;
struct nand_ecclayout *layout;
@@ -448,8 +450,9 @@ 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