According to Linux kernel DT schema nand-controller.yaml, using DT property nand-ecc-algo=bch is the correct way for specifying BCH as ECC algorithm.
Signed-off-by: Pali Rohár pali@kernel.org --- drivers/mtd/nand/raw/nand_base.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c index f7616985d95e..e0c087f0ebaf 100644 --- a/drivers/mtd/nand/raw/nand_base.c +++ b/drivers/mtd/nand/raw/nand_base.c @@ -4598,6 +4598,12 @@ static int nand_dt_init(struct mtd_info *mtd, struct nand_chip *chip, ofnode nod ecc_mode = NAND_ECC_SOFT_BCH; }
+ if (ecc_mode == NAND_ECC_SOFT) { + str = ofnode_read_string(node, "nand-ecc-algo"); + if (str && !strcmp(str, "bch")) + ecc_mode = NAND_ECC_SOFT_BCH; + } + ecc_strength = ofnode_read_s32_default(node, "nand-ecc-strength", -1); ecc_step = ofnode_read_s32_default(node,