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| author | Maxim Levitsky <maximlevitsky@gmail.com> | 2010-02-22 20:39:35 +0200 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2010-02-26 17:44:51 +0000 |
| commit | 9aca334e854c319ccafea871006fda3814196e7b (patch) | |
| tree | ae9fdbc2769d572997846e4f9d6db7b8d789e591 /drivers/mtd/nand | |
| parent | 49ef3c6ee11e221b26caf4ac55c2702a37cca103 (diff) | |
| download | kernel_samsung_smdk4412-9aca334e854c319ccafea871006fda3814196e7b.zip kernel_samsung_smdk4412-9aca334e854c319ccafea871006fda3814196e7b.tar.gz kernel_samsung_smdk4412-9aca334e854c319ccafea871006fda3814196e7b.tar.bz2 | |
mtd: nand: make MTD_OOB_PLACE work correctly.
MTD_OOB_PLACE is supposed to read/write the raw oob data similiar to the
MTD_OOB_RAW however due to a bug, currently it is not possible to read
more data that is specified by the oob 'free' regions.
Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/mtd/nand')
| -rw-r--r-- | drivers/mtd/nand/nand_base.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 7442b3a..cada4cf 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -1420,6 +1420,9 @@ static int nand_do_read_ops(struct mtd_info *mtd, loff_t from, int ret = 0; uint32_t readlen = ops->len; uint32_t oobreadlen = ops->ooblen; + uint32_t max_oobsize = ops->mode == MTD_OOB_AUTO ? + mtd->oobavail : mtd->oobsize; + uint8_t *bufpoi, *oob, *buf; stats = mtd->ecc_stats; @@ -1470,10 +1473,11 @@ static int nand_do_read_ops(struct mtd_info *mtd, loff_t from, buf += bytes; if (unlikely(oob)) { + /* Raw mode does data:oob:data:oob */ if (ops->mode != MTD_OOB_RAW) { int toread = min(oobreadlen, - chip->ecc.layout->oobavail); + max_oobsize); if (toread) { oob = nand_transfer_oob(chip, oob, ops, toread); |