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[3/3] mtd: brcmnand: respect ECC algorithm set by NAND subsystem

Message ID 1461324197-1333-3-git-send-email-zajec5@gmail.com
State Superseded
Headers show

Commit Message

Rafał Miłecki April 22, 2016, 11:23 a.m. UTC 
It's more reliable than guessing based on ECC strength. It allows using
NAND on devices with BCH-1 (e.g. D-Link DIR-885L).

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
---
 drivers/mtd/nand/brcmnand/brcmnand.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Boris Brezillon April 25, 2016, 3:05 p.m. UTC | #1 
On Fri, 22 Apr 2016 13:23:15 +0200
Rafał Miłecki <zajec5@gmail.com> wrote:

> It's more reliable than guessing based on ECC strength. It allows using
> NAND on devices with BCH-1 (e.g. D-Link DIR-885L).

Brian, Kamal, could you add your Ack on this patch.

> 
> Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
> ---
>  drivers/mtd/nand/brcmnand/brcmnand.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/mtd/nand/brcmnand/brcmnand.c b/drivers/mtd/nand/brcmnand/brcmnand.c
> index c3331ff..dcb22dc 100644
> --- a/drivers/mtd/nand/brcmnand/brcmnand.c
> +++ b/drivers/mtd/nand/brcmnand/brcmnand.c
> @@ -1927,7 +1927,7 @@ static int brcmnand_setup_dev(struct brcmnand_host *host)
>  
>  	switch (chip->ecc.size) {
>  	case 512:
> -		if (chip->ecc.strength == 1) /* Hamming */
> +		if (chip->ecc.algo == NAND_ECC_HAMMING)
>  			cfg->ecc_level = 15;
>  		else
>  			cfg->ecc_level = chip->ecc.strength;
diff mbox

Patch

diff --git a/drivers/mtd/nand/brcmnand/brcmnand.c b/drivers/mtd/nand/brcmnand/brcmnand.c
index c3331ff..dcb22dc 100644
--- a/drivers/mtd/nand/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/brcmnand/brcmnand.c
@@ -1927,7 +1927,7 @@  static int brcmnand_setup_dev(struct brcmnand_host *host)
 
 	switch (chip->ecc.size) {
 	case 512:
-		if (chip->ecc.strength == 1) /* Hamming */
+		if (chip->ecc.algo == NAND_ECC_HAMMING)
 			cfg->ecc_level = 15;
 		else
 			cfg->ecc_level = chip->ecc.strength;