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mtd: cfi: fix writebufsize initialization

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When initializing mtd->writebufsize, we must take into account
possible flash chip interleaving. Wrong writebufsize initialization
caused UBIFS recovery issues resulting in unmountable UBIFS file
system on NOR flash partitions.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
Acked-by: Guillaume LECERF <glecerf@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Anatolij Gustschin 2011-02-10 16:01:46 +01:00 committed by David Woodhouse
parent d8f90b2c9d
commit 13ce77f46c
3 changed files with 3 additions and 3 deletions
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2
drivers/mtd/chips/cfi_cmdset_0001.c
View File

@ -455,7 +455,7 @@ struct mtd_info *cfi_cmdset_0001(struct map_info *map, int primary)
mtd->flags = MTD_CAP_NORFLASH;
mtd->name = map->name;
mtd->writesize = 1;
mtd->writebufsize = 1 << cfi->cfiq->MaxBufWriteSize;
mtd->writebufsize = cfi_interleave(cfi) << cfi->cfiq->MaxBufWriteSize;
mtd->reboot_notifier.notifier_call = cfi_intelext_reboot;

2
drivers/mtd/chips/cfi_cmdset_0002.c
View File

@ -440,7 +440,7 @@ struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary)
mtd->flags = MTD_CAP_NORFLASH;
mtd->name = map->name;
mtd->writesize = 1;
mtd->writebufsize = 1 << cfi->cfiq->MaxBufWriteSize;
mtd->writebufsize = cfi_interleave(cfi) << cfi->cfiq->MaxBufWriteSize;
DEBUG(MTD_DEBUG_LEVEL3, "MTD %s(): write buffer size %d\n",
__func__, mtd->writebufsize);

2
drivers/mtd/chips/cfi_cmdset_0020.c
View File

@ -238,7 +238,7 @@ static struct mtd_info *cfi_staa_setup(struct map_info *map)
mtd->resume = cfi_staa_resume;
mtd->flags = MTD_CAP_NORFLASH & ~MTD_BIT_WRITEABLE;
mtd->writesize = 8; /* FIXME: Should be 0 for STMicro flashes w/out ECC */
mtd->writebufsize = 1 << cfi->cfiq->MaxBufWriteSize;
mtd->writebufsize = cfi_interleave(cfi) << cfi->cfiq->MaxBufWriteSize;
map->fldrv = &cfi_staa_chipdrv;
__module_get(THIS_MODULE);
mtd->name = map->name;