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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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2
drivers/mtd/nand/nand_base.c
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@ -2668,7 +2668,7 @@ int nand_scan(struct mtd_info *mtd, int maxchips)
/* Fill in remaining MTD driver data */
mtd->type = MTD_NANDFLASH;
mtd->flags = MTD_CAP_NANDFLASH | MTD_ECC;
mtd->flags = MTD_CAP_NANDFLASH;
mtd->ecctype = MTD_ECC_SW;
mtd->erase = nand_erase;
mtd->point = NULL;