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mtd: atmel_nand: remove pmecc_sector_number, use ecc.steps instead 

For PMECC, the pmecc_sector_number has same meaning as ecc.steps.
So use ecc.steps to replace the pmecc_sector_number.

Signed-off-by: Josh Wu <josh.wu@atmel.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
This commit is contained in:
Wu, Josh 2014-08-08 17:12:34 +08:00 committed by Brian Norris
parent fef775caa7
commit c9447fff34
1 changed files with 6 additions and 8 deletions
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14
drivers/mtd/nand/atmel_nand.c
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@ -132,7 +132,6 @@ struct atmel_nand_host {
u32 pmecc_lookup_table_offset_1024;
int pmecc_bytes_per_sector;
int pmecc_sector_number;
int pmecc_degree; /* Degree of remainders */
int pmecc_cw_len; /* Length of codeword */
@ -877,7 +876,7 @@ static int pmecc_correction(struct mtd_info *mtd, u32 pmecc_stat, uint8_t *buf,
return 0;
normal_check:
for (i = 0; i < host->pmecc_sector_number; i++) {
for (i = 0; i < nand_chip->ecc.steps; i++) {
err_nbr = 0;
if (pmecc_stat & 0x1) {
buf_pos = buf + i * host->pmecc_sector_size;
@ -987,7 +986,7 @@ static int atmel_nand_pmecc_write_page(struct mtd_info *mtd,
cpu_relax();
}
for (i = 0; i < host->pmecc_sector_number; i++) {
for (i = 0; i < chip->ecc.steps; i++) {
for (j = 0; j < host->pmecc_bytes_per_sector; j++) {
int pos;
@ -1034,7 +1033,7 @@ static void atmel_pmecc_core_init(struct mtd_info *mtd)
else if (host->pmecc_sector_size == 1024)
val |= PMECC_CFG_SECTOR1024;
switch (host->pmecc_sector_number) {
switch (nand_chip->ecc.steps) {
case 1:
val |= PMECC_CFG_PAGE_1SECTOR;
break;
@ -1187,18 +1186,17 @@ static int atmel_pmecc_nand_init_params(struct platform_device *pdev,
host->pmecc_degree = (sector_size == 512) ?
PMECC_GF_DIMENSION_13 : PMECC_GF_DIMENSION_14;
host->pmecc_cw_len = (1 << host->pmecc_degree) - 1;
host->pmecc_sector_number = mtd->writesize / sector_size;
host->pmecc_bytes_per_sector = pmecc_get_ecc_bytes(
cap, sector_size);
host->pmecc_alpha_to = pmecc_get_alpha_to(host);
host->pmecc_index_of = host->pmecc_rom_base +
host->pmecc_lookup_table_offset;
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.total = host->pmecc_bytes_per_sector *
host->pmecc_sector_number;
nand_chip->ecc.steps = mtd->writesize / sector_size;
nand_chip->ecc.total = nand_chip->ecc.bytes *
nand_chip->ecc.steps;
if (nand_chip->ecc.total > mtd->oobsize - 2) {
dev_err(host->dev, "No room for ECC bytes\n");
err_no = -EINVAL;