[PATCH V4 1/9] mtd: add more comment for ecc_strength/ecc_size

[Huang Shijie]

Add more commit for ecc_strength and ecc_size fields.
We can treat the comment as the initial semantics for the two fields.

Signed-off-by: Huang Shijie <b32955@xxxxxxxxxxxxx>
---
 include/linux/mtd/nand.h |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 5458021..a0c486b 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -435,8 +435,11 @@ struct nand_buffers {
  *			not bad when badblockbits == 7
  * @cellinfo:		[INTERN] MLC/multichip data from chip ident
  * @ecc_strength:	[INTERN] ECC correctability from the datasheet.
+ *			The minimum number of bits correctability, if known;
+ *			if unknown, set to 0.
  * @ecc_size:		[INTERN] ECC size required by the @ecc_strength,
- *                      also from the datasheet.
+ *                      also from the datasheet. It is the recommended ECC step
+ *			size, if known; if unknown, set to 0.
  * @numchips:		[INTERN] number of physical chips
  * @chipsize:		[INTERN] the size of one chip for multichip arrays
  * @pagemask:		[INTERN] page number mask = number of (pages / chip) - 1
-- 
1.7.1


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