From: Daniel Golle <dan...@makrotopia.org> Reporting an unclean read from SPI-NAND only when the maximum number of correctable bitflip errors has been hit seems a bit late. UBI LEB scrubbing, which depends on the lower MTD device reporting correctable bitflips, then only kicks in when it's almost too late.
Set bitflip_threshold to 75% of the ECC strength, which is also the default for raw NAND. Signed-off-by: Daniel Golle <dan...@makrotopia.org> Reviewed-by: Frieder Schrempf <frieder.schre...@kontron.de> Signed-off-by: Miquel Raynal <miquel.ray...@bootlin.com> Link: https://lore.kernel.org/linux-mtd/2117e387260b0a96f95b8e1652ff79e0e2d71d53.1723427450.git.dan...@makrotopia.org This is a port of linux commit 1824520e7477 (mtd: spinand: set bitflip_threshold to 75% of ECC strength) Signed-off-by: Mikhail Kshevetskiy <mikhail.kshevets...@iopsys.eu> --- drivers/mtd/nand/spi/core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mtd/nand/spi/core.c b/drivers/mtd/nand/spi/core.c index b5daab21743..2a2ab664c2c 100644 --- a/drivers/mtd/nand/spi/core.c +++ b/drivers/mtd/nand/spi/core.c @@ -1291,6 +1291,7 @@ static int spinand_init(struct spinand_device *spinand) /* Propagate ECC information to mtd_info */ mtd->ecc_strength = nanddev_get_ecc_conf(nand)->strength; mtd->ecc_step_size = nanddev_get_ecc_conf(nand)->step_size; + mtd->bitflip_threshold = DIV_ROUND_UP(mtd->ecc_strength * 3, 4); ret = spinand_create_dirmaps(spinand); if (ret) { -- 2.50.1
