From 16b6394728298f5d2055e4714e8795045f4a1275 Mon Sep 17 00:00:00 2001 From: Brian Norris Date: Wed, 22 Jun 2011 09:49:21 -0700 Subject: feature-removal-schedule: describe nanddump changes Include a few notes about the edited options and new defaults for bad block handling in nanddump. Signed-off-by: Brian Norris Signed-off-by: Artem Bityutskiy --- feature-removal-schedule.txt | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/feature-removal-schedule.txt b/feature-removal-schedule.txt index a5980f7..f9910f1 100644 --- a/feature-removal-schedule.txt +++ b/feature-removal-schedule.txt @@ -40,3 +40,29 @@ This is duplicating behavior with the mtdinfo utility. Now the util warns when people use it, but it'll be removed in release 1.4.6. --------------------------- + +4. Rename --noskipbad option, kill --omitbad, change default BB method for nanddump + +Our bad block handling methods are getting disorganized. They will be replaced +by a series of --bb=METHOD options (see `nanddump --help'). + +In addition, the previous default bad block behavior was to dump 0xFF in place +of bad blocks. This was not a good "inverse operation" of nandwrite. Thus, the +current default behavior has become the (new) option --bb=padbad, and in 1.4.6, +the default will be --bb=skipbad. + +The new `--bb=METHOD' options are included in this release, but all feature +removals and changed defaults will occur in 1.4.6. For now, there are +appropriate deprecation warning messages and an alert telling about the +soon-to-be-default settings. + +Transition summary table: +----------------------------------------------------------------------------------------------------------- + Old option New option Comment +----------------------------------------------------------------------------------------------------------- + --bb=padbad dump flash data, substituting 0xFF for any bad blocks + --noskipbad --bb=dumpbad dump flash data, including any bad blocks + --skipbad --bb=skipbad, dump good data, completely skipping any bad blocks (new default) + --omitbad N/A very similar to `skipbad', will be removed soon + +--------------------------- -- cgit v1.2.3