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path: root/drivers/mtd/nand/atmel_nand.c
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Diffstat (limited to 'drivers/mtd/nand/atmel_nand.c')
-rw-r--r--drivers/mtd/nand/atmel_nand.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index 4ce181a..4f5348f 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -861,12 +861,11 @@ static int pmecc_correction(struct mtd_info *mtd, u32 pmecc_stat, uint8_t *buf,
{
struct nand_chip *nand_chip = mtd->priv;
struct atmel_nand_host *host = nand_chip->priv;
- int i, err_nbr, eccbytes;
+ int i, err_nbr;
uint8_t *buf_pos;
int total_err = 0;
- eccbytes = nand_chip->ecc.bytes;
- for (i = 0; i < eccbytes; i++)
+ for (i = 0; i < nand_chip->ecc.total; i++)
if (ecc[i] != 0xff)
goto normal_check;
/* Erased page, return OK */
@@ -928,7 +927,7 @@ static int atmel_nand_pmecc_read_page(struct mtd_info *mtd,
struct nand_chip *chip, uint8_t *buf, int oob_required, int page)
{
struct atmel_nand_host *host = chip->priv;
- int eccsize = chip->ecc.size;
+ int eccsize = chip->ecc.size * chip->ecc.steps;
uint8_t *oob = chip->oob_poi;
uint32_t *eccpos = chip->ecc.layout->eccpos;
uint32_t stat;
@@ -1169,8 +1168,7 @@ static int atmel_pmecc_nand_init_params(struct platform_device *pdev,
goto err;
}
- /* ECC is calculated for the whole page (1 step) */
- nand_chip->ecc.size = mtd->writesize;
+ nand_chip->ecc.size = sector_size;
/* set ECC page size and oob layout */
switch (mtd->writesize) {
@@ -1185,18 +1183,20 @@ static int atmel_pmecc_nand_init_params(struct platform_device *pdev,
host->pmecc_index_of = host->pmecc_rom_base +
host->pmecc_lookup_table_offset;
- nand_chip->ecc.steps = 1;
+ nand_chip->ecc.steps = host->pmecc_sector_number;
nand_chip->ecc.strength = cap;
- nand_chip->ecc.bytes = host->pmecc_bytes_per_sector *
+ nand_chip->ecc.bytes = host->pmecc_bytes_per_sector;
+ nand_chip->ecc.total = host->pmecc_bytes_per_sector *
host->pmecc_sector_number;
- if (nand_chip->ecc.bytes > mtd->oobsize - 2) {
+ if (nand_chip->ecc.total > mtd->oobsize - 2) {
dev_err(host->dev, "No room for ECC bytes\n");
err_no = -EINVAL;
goto err;
}
pmecc_config_ecc_layout(&atmel_pmecc_oobinfo,
mtd->oobsize,
- nand_chip->ecc.bytes);
+ nand_chip->ecc.total);
+
nand_chip->ecc.layout = &atmel_pmecc_oobinfo;
break;
case 512: