This will allow drivers handle ECC properly.
Signed-off-by: Rafał Miłecki <zajec5@xxxxxxxxx>
---
drivers/mtd/nand/nand_base.c | 6 +++++-
include/linux/mtd/nand.h | 1 +
2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index f2c8ff3..ef977f3 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -3979,7 +3979,7 @@ ident_done:
static int nand_dt_init(struct nand_chip *chip)
{
struct device_node *dn = nand_get_flash_node(chip);
- int ecc_mode, ecc_strength, ecc_step;
+ int ecc_mode, ecc_algo, ecc_strength, ecc_step;
if (!dn)
return 0;
@@ -3991,6 +3991,7 @@ static int nand_dt_init(struct nand_chip *chip)
chip->bbt_options |= NAND_BBT_USE_FLASH;
ecc_mode = of_get_nand_ecc_mode(dn);
+ ecc_algo = of_get_nand_ecc_algo(dn);
ecc_strength = of_get_nand_ecc_strength(dn);
ecc_step = of_get_nand_ecc_step_size(dn);
@@ -4003,6 +4004,9 @@ static int nand_dt_init(struct nand_chip *chip)
if (ecc_mode >= 0)
chip->ecc.mode = ecc_mode;
+ if (ecc_algo >= 0)
+ chip->ecc.algo = ecc_algo;
+
if (ecc_strength >= 0)
chip->ecc.strength = ecc_strength;
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 25854d2..8deca1b 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -513,6 +513,7 @@ struct nand_hw_control {
*/
struct nand_ecc_ctrl {
nand_ecc_modes_t mode;
+ enum nand_ecc_algo algo;
int steps;
int size;
int bytes;
--
1.8.4.5
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