Re: [PATCH 2/3] mtd: nand: read (from DT) and store ECC algorithm
From: Kamal Dasu <hidden>
Date: 2016-02-15 21:31:30
On Fri, Feb 12, 2016 at 1:11 PM, Rafał Miłecki [off-list ref] wrote:
This will allow drivers handle ECC properly. Signed-off-by: Rafał Miłecki <redacted>
Reviewed-by: Kamal Dasu <redacted> Thanks Rafal
quoted hunk
--- 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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