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[MTD] NAND: Fix oob available calculation 

Use oobfree to calculate the number of oob bytes available for fs usage

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner 2005-04-01 08:21:48 +01:00 committed by Thomas Gleixner
parent 963a6fb0a0
commit 998cf6403c
1 changed files with 4 additions and 7 deletions
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11
drivers/mtd/nand/nand_base.c
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@ -59,7 +59,7 @@
* The AG-AND chips have nice features for speed improvement,
* which are not supported yet. Read / program 4 pages in one go.
*
* $Id: nand_base.c,v 1.137 2005/03/24 14:33:22 dedekind Exp $
* $Id: nand_base.c,v 1.138 2005/04/01 07:21:44 gleixner Exp $
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@ -2512,12 +2512,9 @@ int nand_scan (struct mtd_info *mtd, int maxchips)
/* The number of bytes available for the filesystem to place fs dependend
* oob data */
if (this->options & NAND_BUSWIDTH_16) {
mtd->oobavail = mtd->oobsize - (this->autooob->eccbytes + 2);
if (this->autooob->eccbytes & 0x01)
mtd->oobavail--;
} else
mtd->oobavail = mtd->oobsize - (this->autooob->eccbytes + 1);
mtd->oobavail = 0;
for (i = 0; this->autooob->oobfree[i][1]; i++)
mtd->oobavail += this->autooob->oobfree[i][1];
/*
* check ECC mode, default to software