Most NAND controllers use hardware ECC, so make software ECC support optional to save some binary space. Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> --- drivers/mtd/nand/Kconfig | 5 +++++ drivers/mtd/nand/nand_base.c | 3 +++ 2 files changed, 8 insertions(+) diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig index 339f7a923d..7c93260892 100644 --- a/drivers/mtd/nand/Kconfig +++ b/drivers/mtd/nand/Kconfig @@ -7,8 +7,13 @@ menuconfig NAND if NAND +config MTD_NAND_ECC_SOFT + bool + prompt "Support software ecc" + config MTD_NAND_ECC_SW_BCH select BCH + depends on MTD_NAND_ECC_SOFT bool prompt "Support software BCH ecc" diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 0a980e4499..7c325f1f70 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -5053,6 +5053,9 @@ static int nand_set_ecc_soft_ops(struct nand_chip *chip) struct mtd_info *mtd = nand_to_mtd(chip); struct nand_ecc_ctrl *ecc = &chip->ecc; + if (!IS_ENABLED(CONFIG_MTD_NAND_ECC_SOFT)) + return -ENOSYS; + if (WARN_ON(ecc->mode != NAND_ECC_SOFT)) return -EINVAL; -- 2.20.1 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
