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Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/nand/raw/nand_base.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c
index 9eba360d55f..c173fd09237 100644
--- a/drivers/mtd/nand/raw/nand_base.c
+++ b/drivers/mtd/nand/raw/nand_base.c
@@ -4487,6 +4487,7 @@ EXPORT_SYMBOL(nand_detect);
static int nand_dt_init(struct mtd_info *mtd, struct nand_chip *chip, ofnode node)
{
int ret, ecc_mode = -1, ecc_strength, ecc_step;
+ int ecc_algo = NAND_ECC_UNKNOWN;
const char *str;
ret = ofnode_read_s32_default(node, "nand-bus-width", -1);
@@ -4512,10 +4513,13 @@ 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"))
+ str = ofnode_read_string(node, "nand-ecc-algo");
+ if (str && !strcmp(str, "bch")) {
+ ecc_algo = NAND_ECC_BCH;
+ if (ecc_mode == NAND_ECC_SOFT)
ecc_mode = NAND_ECC_SOFT_BCH;
+ } else if (!strcmp(str, "hamming")) {
+ ecc_algo = NAND_ECC_HAMMING;
}
ecc_strength = ofnode_read_s32_default(node,
@@ -4529,6 +4533,8 @@ static int nand_dt_init(struct mtd_info *mtd, struct nand_chip *chip, ofnode nod
return -EINVAL;
}
+ chip->ecc.algo = ecc_algo;
+
if (ecc_mode >= 0)
chip->ecc.mode = ecc_mode;