[U-Boot] [PATCH] mtd: nand: arasan_nfc: Correct nand ecc initialization
Siva Durga Prasad Paladugu
siva.durga.paladugu at xilinx.com
Wed May 25 11:50:38 CEST 2016
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 at xilinx.com>
---
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;
--
1.7.1
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