diff options
| author | Mike Frysinger <vapier.adi@gmail.com> | 2008-07-30 12:35:00 -0700 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2008-08-01 15:40:42 +0100 |
| commit | cf840392e83914b9fcdbce8a8a2bc17a84cf0353 (patch) | |
| tree | f851606649ea7a291f9fa2cbcf592bdc823ba876 | |
| parent | e274f025e2caaadc1a6dd41adc9c9a19be075110 (diff) | |
[MTD] [NAND] Blackfin NFC Driver: fix bug - hw ecc calc by making sure we extract 11 bits from each register instead of 10
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
| -rw-r--r-- | drivers/mtd/nand/bf5xx_nand.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/mtd/nand/bf5xx_nand.c b/drivers/mtd/nand/bf5xx_nand.c index 3254348f858..fc58afe4733 100644 --- a/drivers/mtd/nand/bf5xx_nand.c +++ b/drivers/mtd/nand/bf5xx_nand.c @@ -298,7 +298,7 @@ static int bf5xx_nand_calculate_ecc(struct mtd_info *mtd, ecc0 = bfin_read_NFC_ECC0(); ecc1 = bfin_read_NFC_ECC1(); - code[0] = (ecc0 & 0x3FF) | ((ecc1 & 0x3FF) << 11); + code[0] = (ecc0 & 0x7ff) | ((ecc1 & 0x7ff) << 11); dev_dbg(info->device, "returning ecc 0x%08x\n", code[0]); @@ -310,7 +310,7 @@ static int bf5xx_nand_calculate_ecc(struct mtd_info *mtd, if (page_size == 512) { ecc0 = bfin_read_NFC_ECC2(); ecc1 = bfin_read_NFC_ECC3(); - code[1] = (ecc0 & 0x3FF) | ((ecc1 & 0x3FF) << 11); + code[1] = (ecc0 & 0x7ff) | ((ecc1 & 0x7ff) << 11); /* second 3 bytes in ecc_code for second 256 * bytes of 512 page size |