If none is provided by the platform, the default ECC mode will be used. Signed-off-by: Lee Jones <lee.jo...@linaro.org> --- drivers/mtd/nand/stm_nand_bch.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+)
diff --git a/drivers/mtd/nand/stm_nand_bch.c b/drivers/mtd/nand/stm_nand_bch.c index 0f96f75..e742655 100644 --- a/drivers/mtd/nand/stm_nand_bch.c +++ b/drivers/mtd/nand/stm_nand_bch.c @@ -44,6 +44,12 @@ static int bch_ecc_sizes[] = { [BCH_NO_ECC] = 0, }; +static int bch_ecc_strength[] = { + [BCH_18BIT_ECC] = 18, + [BCH_30BIT_ECC] = 30, + [BCH_NO_ECC] = 0, +}; + /* * Inband Bad Block Table (IBBT) */ @@ -2030,6 +2036,21 @@ static int stm_nand_bch_probe(struct platform_device *pdev) info->ecclayout.eccbytes = nandi->sectors_per_page * bch_ecc_sizes[nandi->bch_ecc_mode]; + /* + * Get bit-flips threshold. A value of '0' is interpreted as + * <ecc_strength>. + */ + if (pdata->bch_bitflip_threshold) { + nandi->bitflip_threshold = pdata->bch_bitflip_threshold; + } else { + dev_warn(nandi->dev, + "WARNING: bit-flips threshold not specified.\n" + " Defaulting to ECC strength [%d]\n", + bch_ecc_strength[nandi->bch_ecc_mode]); + nandi->bitflip_threshold = + bch_ecc_strength[nandi->bch_ecc_mode]; + } + compatible = bch_check_compatibility(nandi, mtd, chip); if (!compatible) { dev_err(nandi->dev, -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/