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| author | Thomas Knobloch <knobloch@siemens.com> | 2007-05-05 07:04:42 +0200 |
|---|---|---|
| committer | Stefan Roese <sr@denx.de> | 2007-05-05 07:04:42 +0200 |
| commit | a79886590593ba1d667c840caa4940c61639f18f (patch) | |
| tree | 705931458699b81600559d222dad5738cb0ce265 /drivers/nand | |
| parent | 8d1c439e2d9b0bdfe35df207e2c6b2f3a2312a3b (diff) | |
| download | u-boot-imx-a79886590593ba1d667c840caa4940c61639f18f.zip u-boot-imx-a79886590593ba1d667c840caa4940c61639f18f.tar.gz u-boot-imx-a79886590593ba1d667c840caa4940c61639f18f.tar.bz2 | |
NAND: Wrong calculation of page number in nand_block_bad()
In case that there is no memory based bad block table available the
function nand_block_checkbad() in drivers/mtd/nand/nand_base.c will call
nand_block_bad() directly. When parameter 'getchip' is set to zero,
nand_block_bad() will not right shift the offset to calculate the
correct page number.
Signed-off-by: Thomas Knobloch <knobloch@siemens.com>
Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'drivers/nand')
| -rw-r--r-- | drivers/nand/nand_base.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/nand/nand_base.c b/drivers/nand/nand_base.c index 8495829..c6fee18 100644 --- a/drivers/nand/nand_base.c +++ b/drivers/nand/nand_base.c @@ -427,8 +427,9 @@ static int nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip) struct nand_chip *this = mtd->priv; u16 bad; + page = (int)(ofs >> this->page_shift) & this->pagemask; + if (getchip) { - page = (int)(ofs >> this->page_shift); chipnr = (int)(ofs >> this->chip_shift); /* Grab the lock and see if the device is available */ @@ -436,18 +437,17 @@ static int nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip) /* Select the NAND device */ this->select_chip(mtd, chipnr); - } else - page = (int) ofs; + } if (this->options & NAND_BUSWIDTH_16) { - this->cmdfunc (mtd, NAND_CMD_READOOB, this->badblockpos & 0xFE, page & this->pagemask); + this->cmdfunc (mtd, NAND_CMD_READOOB, this->badblockpos & 0xFE, page); bad = cpu_to_le16(this->read_word(mtd)); if (this->badblockpos & 0x1) bad >>= 1; if ((bad & 0xFF) != 0xff) res = 1; } else { - this->cmdfunc (mtd, NAND_CMD_READOOB, this->badblockpos, page & this->pagemask); + this->cmdfunc (mtd, NAND_CMD_READOOB, this->badblockpos, page); if (this->read_byte(mtd) != 0xff) res = 1; } |