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Artem Bityutskiy ebf53f4213 UBI: fix NOR flash recovery 
This commit fixes NOR flash recovery issues observed with Spansion
S29GL512N NOR.

When NOR erases, it first fills PEBs with zeroes, then sets all bytes
to 0xFF. Filling with zeroes starts from the end of the PEB. And when
power is cut, this results in PEBs containing correct EC and VID headers
but corrupted with zeros at the end. This confuses UBI and it mistakinly
accepts these PEBs and associate them with LEBs.

Fis this issue by zeroing EC and VID magics before erasing PEBs, to
make UBI later refuse zem.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
2009-07-07 11:37:45 +03:00
..
chips mtd: CFI 1.0 and CFI 1.1 2009-06-05 17:55:10 +01:00
devices mtd: m25p80 timeout too short for worst-case m25p16 devices 2009-06-26 18:15:21 +01:00
lpddr [MTD] [LPDDR] qinfo_probe depends on lpddr 2009-01-11 10:42:32 +00:00
maps mtd: maps: Remove BUS_ID_SIZE from integrator_flash 2009-06-24 16:02:06 +01:00
nand mtd: nand: fix build failure and incorrect return from omap_wait() 2009-06-28 10:24:13 +01:00
onenand Merge git://git.infradead.org/mtd-2.6 2009-06-22 16:56:22 -07:00
tests trivial: NULL noise: drivers/mtd/tests/mtd_*test.c 2009-03-30 15:22:04 +02:00
ubi UBI: fix NOR flash recovery 2009-07-07 11:37:45 +03:00
afs.c MTD/JFFS2: remove CVS keywords 2008-06-04 17:50:17 +01:00
ar7part.c [MTD] mtdpart: Make all partition parsers return allocated array 2009-03-20 18:55:17 +00:00
cmdlinepart.c mtd: cmdlineparts: Use 64-bit format when printing a debug message. 2009-06-25 08:18:12 +01:00
ftl.c [MTD] Remove strange u_int32_t types from FTL 2008-12-10 14:06:42 +00:00
inftlcore.c mtd: Use BLOCK_NIL consistently in NFTL/INFTL 2009-06-27 09:22:10 +01:00
inftlmount.c [MTD] we don't need no misc devices 2009-03-20 13:16:26 +00:00
internal.h NOMMU: Present backing device capabilities for MTD chardevs 2009-03-24 09:00:19 +00:00
Kconfig trivial: mtd: fix Kconfig comment about 'armflash' 2009-06-12 18:01:45 +02:00
Makefile NOMMU: Present backing device capabilities for MTD chardevs 2009-03-24 09:00:19 +00:00
mtd_blkdevs.c Merge git://git.infradead.org/mtd-2.6 2009-06-22 16:56:22 -07:00
mtdbdi.c NOMMU: Present backing device capabilities for MTD chardevs 2009-03-24 09:00:19 +00:00
mtdblock.c MTD/JFFS2: remove CVS keywords 2008-06-04 17:50:17 +01:00
mtdblock_ro.c MTD/JFFS2: remove CVS keywords 2008-06-04 17:50:17 +01:00
mtdchar.c mtd: Fix pointer handling in compat ioctls to use compat_ptr() 2009-05-29 16:09:08 +01:00
mtdconcat.c NOMMU: Add support for direct mapping through mtdconcat if possible 2009-03-24 09:01:08 +00:00
mtdcore.c [MTD] Restore suspend/resume support for mtd devices 2009-05-26 16:45:43 +01:00
mtdcore.h [MTD] mtdcore.c: share syms with mtd_blkdev.c 2007-06-28 20:24:50 +01:00
mtdoops.c [MTD] mtdoops: fix a bit of spin lock usage 2009-03-20 18:39:25 +00:00
mtdpart.c [MTD] Remove option for add_mtd_partitions() to not register partitions. 2009-05-26 16:45:44 +01:00
mtdsuper.c Convert obvious places to deactivate_locked_super() 2009-05-09 10:49:40 -04:00
nftlcore.c mtd: Use BLOCK_NIL consistently in NFTL/INFTL 2009-06-27 09:22:10 +01:00
nftlmount.c [MTD] update internal API to support 64-bit device size 2008-12-10 13:37:21 +00:00
ofpart.c [MTD] ofpart: Check name property to determine partition nodes. 2009-03-24 14:04:20 +00:00
redboot.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 2008-07-11 14:36:25 +01:00
rfd_ftl.c [MTD] remove private wrapper of endian helpers in rfd_ftl.c 2008-12-10 15:39:09 +00:00
ssfdc.c [MTD] update internal API to support 64-bit device size 2008-12-10 13:37:21 +00:00