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[MTD] [NAND] make oobavail public

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During the MTD rework the oobavail parameter of mtd_info structure has become
private. This is not quite correct in terms of integrity and logic. If we have
means to write to OOB area, then we'd like to know upfront how many bytes out
of OOB are spare per page to be able to adapt to specific cases.
The patch inlined adds the public oobavail parameter.

Signed-off-by: Vitaly Wool <[email protected]>
Signed-off-by: David Woodhouse <[email protected]>
This commit is contained in:
Vitaly Wool 2007-03-06 16:56:34 +03:00 • committed by David Woodhouse
commit 1f92267c51
5 changed files with 5 additions and 0 deletions
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1
drivers/mtd/mtdconcat.c
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@ -727,6 +727,7 @@ struct mtd_info *mtd_concat_create(struct mtd_info *subdev[], /* subdevices to c
concat->mtd.erasesize = subdev[0]->erasesize;
concat->mtd.writesize = subdev[0]->writesize;
concat->mtd.oobsize = subdev[0]->oobsize;
concat->mtd.oobavail = subdev[0]->oobavail;
if (subdev[0]->writev)
concat->mtd.writev = concat_writev;
if (subdev[0]->read_oob)

1
drivers/mtd/mtdpart.c
View file

@ -338,6 +338,7 @@ int add_mtd_partitions(struct mtd_info *master,
slave->mtd.size = parts[i].size;
slave->mtd.writesize = master->writesize;
slave->mtd.oobsize = master->oobsize;
slave->mtd.oobavail = master->oobavail;
slave->mtd.subpage_sft = master->subpage_sft;
slave->mtd.name = parts[i].name;

1
drivers/mtd/nand/nand_base.c
View file

@ -2524,6 +2524,7 @@ int nand_scan_tail(struct mtd_info *mtd)
for (i = 0; chip->ecc.layout->oobfree[i].length; i++)
chip->ecc.layout->oobavail +=
chip->ecc.layout->oobfree[i].length;
mtd->oobavail = chip->ecc.layout->oobavail;
/*
* Set the number of read / write steps for one page depending on ECC

1
drivers/mtd/onenand/onenand_base.c
View file

@ -2367,6 +2367,7 @@ int onenand_scan(struct mtd_info *mtd, int maxchips)
for (i = 0; this->ecclayout->oobfree[i].length; i++)
this->ecclayout->oobavail +=
this->ecclayout->oobfree[i].length;
mtd->oobavail = this->ecclayout->oobavail;
mtd->ecclayout = this->ecclayout;