xiaomi-sm8450/android_kernel_xiaomi_sm8450
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[MTD] Introduce MTD_BIT_WRITEABLE

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o Add a flag MTD_BIT_WRITEABLE for devices that allow single bits to be
  cleared.
o Replace MTD_PROGRAM_REGIONS with a cleared MTD_BIT_WRITEABLE flag for
  STMicro and Intel Sibley flashes with internal ECC.  Those flashes
  disallow clearing of single bits, unlike regular NOR flashes, so the
  new flag models their behaviour better.
o Remove MTD_ECC.  After the STMicro/Sibley merge, this flag is only set
  and never checked.

Signed-off-by: Joern Engel <joern@wh.fh-wedel.de>
This commit is contained in:
Joern Engel
2006-05-22 23:18:29 +02:00
parent c8b229de2b
commit 5fa433942b
6 changed files with 9 additions and 13 deletions
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3
drivers/mtd/chips/cfi_cmdset_0020.c
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@@ -238,8 +238,7 @@ static struct mtd_info *cfi_staa_setup(struct map_info *map)
mtd->unlock = cfi_staa_unlock;
mtd->suspend = cfi_staa_suspend;
mtd->resume = cfi_staa_resume;
mtd->flags = MTD_CAP_NORFLASH;
mtd->flags |= MTD_PROGRAM_REGIONS; /* FIXME: Not all STMicro flashes have this */
mtd->flags = MTD_CAP_NORFLASH & ~MTD_BIT_WRITEABLE;
mtd->writesize = 8; /* FIXME: Should be 0 for STMicro flashes w/out ECC */
map->fldrv = &cfi_staa_chipdrv;
__module_get(THIS_MODULE);