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nand: arasan_nfc: Use the calculated ecc address for updating ecc register

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This patch corrects the ecc address calculation before updating
to ecc register. The ecc address has to be calculated based on
page, oob and ecc sizes of the device.

Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This commit is contained in:
Siva Durga Prasad Paladugu 2018-01-04 16:04:22 +05:30 committed by Michal Simek
parent cacb8a029f
commit f25ac66c52
1 changed files with 5 additions and 2 deletions
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7
drivers/mtd/nand/arasan_nfc.c
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@ -1133,7 +1133,7 @@ static void arasan_check_ondie(struct mtd_info *mtd)
static int arasan_nand_ecc_init(struct mtd_info *mtd)
{
int found = -1;
u32 regval, eccpos_start, i;
u32 regval, eccpos_start, i, eccaddr;
struct nand_chip *nand_chip = mtd_to_nand(mtd);
for (i = 0; i < ARRAY_SIZE(ecc_matrix); i++) {
@ -1152,7 +1152,10 @@ static int arasan_nand_ecc_init(struct mtd_info *mtd)
if (found < 0)
return 1;
regval = ecc_matrix[found].eccaddr |
eccaddr = mtd->writesize + mtd->oobsize -
ecc_matrix[found].eccsize;
regval = 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);