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[3/3] mtd: edit NAND-related comment

Message ID 1309303740-9936-4-git-send-email-computersforpeace@gmail.com
State Accepted
Commit c478d7e449508d924628b012e62dee6dddb6b9e9
Headers show

Commit Message

Brian Norris June 28, 2011, 11:29 p.m. UTC 
This comment was unclear regarding which NAND functions do and do not
support ECC on the spare area. This update should reflect the current
status of the NAND system but can be updated if changes are made in
the standard functions.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
---
 drivers/mtd/mtdchar.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index 0995e8e..978e084 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -482,8 +482,9 @@  static int mtd_do_readoob(struct mtd_info *mtd, uint64_t start,
 	 * to signal the caller that a bitflip has occured and has
 	 * been corrected by the ECC algorithm.
 	 *
-	 * Note: most NAND ECC algorithms do not calculate ECC
-	 * for the OOB area.
+	 * Note: currently the standard NAND function, nand_read_oob_std,
+	 * does not calculate ECC for the OOB area, so do not rely on
+	 * this behavior unless you have replaced it with your own.
 	 */
 	if (ret == -EUCLEAN || ret == -EBADMSG)
 		return 0;