diff options
| author |   Wu, Josh <Josh.wu@atmel.com> | 2014-08-08 17:12:34 +0800 |
|---|---|---|
| committer |   Brian Norris <computersforpeace@gmail.com> | 2014-09-17 23:05:10 -0700 |
| commit | c9447fff34aacc04f2e7df39612d2d6e234643f3 (patch) | |
| tree | 4148edd0726aec038a8f0baaf27b0a6be0e586eb /drivers/mtd | |
| parent | nand: omap2: Add support for flash-based bad block table (diff) | |
| download | linux-dev-c9447fff34aacc04f2e7df39612d2d6e234643f3.tar.xz linux-dev-c9447fff34aacc04f2e7df39612d2d6e234643f3.zip | |
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>
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/nand/atmel_nand.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c index d1e502f8dbd0..5c76704f4080 100644 --- a/drivers/mtd/nand/atmel_nand.c +++ b/drivers/mtd/nand/atmel_nand.c @@ -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; |