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| author | Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> | 2016-05-25 15:20:38 +0530 |
|---|---|---|
| committer | Scott Wood <oss@buserror.net> | 2016-06-03 20:27:48 -0500 |
| commit | a39d14406a1e8dfbbbd3b549d411edbba40fd454 (patch) | |
| tree | 94810691260df044f4206e46b9e6f56b370244d9 /drivers/mtd | |
| parent | b2f1858455e99a91aeafe59ac73c6c047106d5e8 (diff) | |
| download | u-boot-imx-a39d14406a1e8dfbbbd3b549d411edbba40fd454.zip u-boot-imx-a39d14406a1e8dfbbbd3b549d411edbba40fd454.tar.gz u-boot-imx-a39d14406a1e8dfbbbd3b549d411edbba40fd454.tar.bz2 | |
mtd: nand: arasan_nfc: Correct nand ecc initialization
Correct the nand ecc initialization code
This fixes the issue of incorrect nand ecc
init if no device is found in ecc_matrix then
it endsup ecc init with junk initialization
instead of the most suited one.
Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Tested-by: Michal Simek <michal.simek@xilinx.com>
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/nand/arasan_nfc.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/mtd/nand/arasan_nfc.c b/drivers/mtd/nand/arasan_nfc.c index 2d73a05..caa7982 100644 --- a/drivers/mtd/nand/arasan_nfc.c +++ b/drivers/mtd/nand/arasan_nfc.c @@ -1058,20 +1058,20 @@ static int arasan_nand_ecc_init(struct mtd_info *mtd) if (found < 0) return 1; - regval = ecc_matrix[i].eccaddr | - (ecc_matrix[i].eccsize << ARASAN_NAND_ECC_SIZE_SHIFT) | - (ecc_matrix[i].bch << ARASAN_NAND_ECC_BCH_SHIFT); + regval = ecc_matrix[found].eccaddr | + (ecc_matrix[found].eccsize << ARASAN_NAND_ECC_SIZE_SHIFT) | + (ecc_matrix[found].bch << ARASAN_NAND_ECC_BCH_SHIFT); writel(regval, &arasan_nand_base->ecc_reg); - if (ecc_matrix[i].bch) { + if (ecc_matrix[found].bch) { regval = readl(&arasan_nand_base->memadr_reg2); regval &= ~ARASAN_NAND_MEM_ADDR2_BCH_MASK; - regval |= (ecc_matrix[i].bchval << + regval |= (ecc_matrix[found].bchval << ARASAN_NAND_MEM_ADDR2_BCH_SHIFT); writel(regval, &arasan_nand_base->memadr_reg2); } - nand_oob.eccbytes = ecc_matrix[i].eccsize; + nand_oob.eccbytes = ecc_matrix[found].eccsize; eccpos_start = mtd->oobsize - nand_oob.eccbytes; for (i = 0; i < nand_oob.eccbytes; i++) @@ -1080,9 +1080,9 @@ static int arasan_nand_ecc_init(struct mtd_info *mtd) nand_oob.oobfree[0].offset = 2; nand_oob.oobfree[0].length = eccpos_start - 2; - nand_chip->ecc.size = ecc_matrix[i].ecc_codeword_size; - nand_chip->ecc.strength = ecc_matrix[i].eccbits; - nand_chip->ecc.bytes = ecc_matrix[i].eccsize; + nand_chip->ecc.size = ecc_matrix[found].ecc_codeword_size; + nand_chip->ecc.strength = ecc_matrix[found].eccbits; + nand_chip->ecc.bytes = ecc_matrix[found].eccsize; nand_chip->ecc.layout = &nand_oob; return 0; |