Now we have all drivers properly setting this new field we can start using it and proceed with deprecating NAND_ECC_SOFT_BCH.
Signed-off-by: Rafał Miłecki <[email protected]> --- drivers/mtd/nand/nand_base.c | 98 ++++++++++++++++++++++++-------------------- 1 file changed, 53 insertions(+), 45 deletions(-) diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index e1f3cf8..ffd1b32 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -4154,7 +4154,7 @@ int nand_scan_tail(struct mtd_info *mtd) /* * If no default placement scheme is given, select an appropriate one. */ - if (!mtd->ooblayout && (ecc->mode != NAND_ECC_SOFT_BCH)) { + if (!mtd->ooblayout && ecc->algo != NAND_ECC_BCH) { switch (mtd->oobsize) { case 8: case 16: @@ -4248,51 +4248,59 @@ int nand_scan_tail(struct mtd_info *mtd) ecc->algo = NAND_ECC_HAMMING; case NAND_ECC_SOFT: - ecc->calculate = nand_calculate_ecc; - ecc->correct = nand_correct_data; - ecc->read_page = nand_read_page_swecc; - ecc->read_subpage = nand_read_subpage; - ecc->write_page = nand_write_page_swecc; - ecc->read_page_raw = nand_read_page_raw; - ecc->write_page_raw = nand_write_page_raw; - ecc->read_oob = nand_read_oob_std; - ecc->write_oob = nand_write_oob_std; - if (!ecc->size) - ecc->size = 256; - ecc->bytes = 3; - ecc->strength = 1; - break; - case NAND_ECC_SOFT_BCH: - if (!mtd_nand_has_bch()) { - WARN(1, "CONFIG_MTD_NAND_ECC_BCH not enabled\n"); - ret = -EINVAL; - goto err_free; - } - ecc->calculate = nand_bch_calculate_ecc; - ecc->correct = nand_bch_correct_data; - ecc->read_page = nand_read_page_swecc; - ecc->read_subpage = nand_read_subpage; - ecc->write_page = nand_write_page_swecc; - ecc->read_page_raw = nand_read_page_raw; - ecc->write_page_raw = nand_write_page_raw; - ecc->read_oob = nand_read_oob_std; - ecc->write_oob = nand_write_oob_std; - /* - * Board driver should supply ecc.size and ecc.strength values - * to select how many bits are correctable. Otherwise, default - * to 4 bits for large page devices. - */ - if (!ecc->size && (mtd->oobsize >= 64)) { - ecc->size = 512; - ecc->strength = 4; - } + switch (ecc->algo) { + case NAND_ECC_HAMMING: + ecc->calculate = nand_calculate_ecc; + ecc->correct = nand_correct_data; + ecc->read_page = nand_read_page_swecc; + ecc->read_subpage = nand_read_subpage; + ecc->write_page = nand_write_page_swecc; + ecc->read_page_raw = nand_read_page_raw; + ecc->write_page_raw = nand_write_page_raw; + ecc->read_oob = nand_read_oob_std; + ecc->write_oob = nand_write_oob_std; + if (!ecc->size) + ecc->size = 256; + ecc->bytes = 3; + ecc->strength = 1; + break; + case NAND_ECC_BCH: + if (!mtd_nand_has_bch()) { + WARN(1, "CONFIG_MTD_NAND_ECC_BCH not enabled\n"); + ret = -EINVAL; + goto err_free; + } + ecc->calculate = nand_bch_calculate_ecc; + ecc->correct = nand_bch_correct_data; + ecc->read_page = nand_read_page_swecc; + ecc->read_subpage = nand_read_subpage; + ecc->write_page = nand_write_page_swecc; + ecc->read_page_raw = nand_read_page_raw; + ecc->write_page_raw = nand_write_page_raw; + ecc->read_oob = nand_read_oob_std; + ecc->write_oob = nand_write_oob_std; + /* + * Board driver should supply ecc.size and ecc.strength + * values to select how many bits are correctable. + * Otherwise, default to 4 bits for large page devices. + */ + if (!ecc->size && (mtd->oobsize >= 64)) { + ecc->size = 512; + ecc->strength = 4; + } - /* See nand_bch_init() for details. */ - ecc->bytes = 0; - ecc->priv = nand_bch_init(mtd); - if (!ecc->priv) { - WARN(1, "BCH ECC initialization failed!\n"); + /* See nand_bch_init() for details. */ + ecc->bytes = 0; + ecc->priv = nand_bch_init(mtd); + if (!ecc->priv) { + WARN(1, "BCH ECC initialization failed!\n"); + ret = -EINVAL; + goto err_free; + } + break; + default: + WARN(1, "Unsupported ECC algorithm!\n"); ret = -EINVAL; goto err_free; } @@ -4478,7 +4486,7 @@ void nand_release(struct mtd_info *mtd) { struct nand_chip *chip = mtd_to_nand(mtd); - if (chip->ecc.mode == NAND_ECC_SOFT_BCH) + if (chip->ecc.algo == NAND_ECC_BCH) nand_bch_free((struct nand_bch_control *)chip->ecc.priv); mtd_device_unregister(mtd); -- 1.8.4.5
