Re: [PATCH v5 45/50] mtd: nand: vf610: switch to mtd_ooblayout_ops

From: Stefan Agner
Date: Fri Apr 01 2016 - 12:41:21 EST


On 2016-03-30 09:15, Boris Brezillon wrote:
> Implementing the mtd_ooblayout_ops interface is the new way of exposing
> ECC/OOB layout to MTD users.

I think I sent this already in the last revision:

Tested-by: Stefan Agner <stefan@xxxxxxxx>
Acked-by: Stefan Agner <stefan@xxxxxxxx>

--
Stefan

>
> Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx>
> ---
> drivers/mtd/nand/vf610_nfc.c | 34 ++++------------------------------
> 1 file changed, 4 insertions(+), 30 deletions(-)
>
> diff --git a/drivers/mtd/nand/vf610_nfc.c b/drivers/mtd/nand/vf610_nfc.c
> index 293feb1..da34de1 100644
> --- a/drivers/mtd/nand/vf610_nfc.c
> +++ b/drivers/mtd/nand/vf610_nfc.c
> @@ -175,34 +175,6 @@ static inline struct vf610_nfc *mtd_to_nfc(struct
> mtd_info *mtd)
> return container_of(mtd_to_nand(mtd), struct vf610_nfc, chip);
> }
>
> -static struct nand_ecclayout vf610_nfc_ecc45 = {
> - .eccbytes = 45,
> - .eccpos = {19, 20, 21, 22, 23,
> - 24, 25, 26, 27, 28, 29, 30, 31,
> - 32, 33, 34, 35, 36, 37, 38, 39,
> - 40, 41, 42, 43, 44, 45, 46, 47,
> - 48, 49, 50, 51, 52, 53, 54, 55,
> - 56, 57, 58, 59, 60, 61, 62, 63},
> - .oobfree = {
> - {.offset = 2,
> - .length = 17} }
> -};
> -
> -static struct nand_ecclayout vf610_nfc_ecc60 = {
> - .eccbytes = 60,
> - .eccpos = { 4, 5, 6, 7, 8, 9, 10, 11,
> - 12, 13, 14, 15, 16, 17, 18, 19,
> - 20, 21, 22, 23, 24, 25, 26, 27,
> - 28, 29, 30, 31, 32, 33, 34, 35,
> - 36, 37, 38, 39, 40, 41, 42, 43,
> - 44, 45, 46, 47, 48, 49, 50, 51,
> - 52, 53, 54, 55, 56, 57, 58, 59,
> - 60, 61, 62, 63 },
> - .oobfree = {
> - {.offset = 2,
> - .length = 2} }
> -};
> -
> static inline u32 vf610_nfc_read(struct vf610_nfc *nfc, uint reg)
> {
> return readl(nfc->regs + reg);
> @@ -781,14 +753,16 @@ static int vf610_nfc_probe(struct platform_device *pdev)
> if (mtd->oobsize > 64)
> mtd->oobsize = 64;
>
> + /*
> + * mtd->ecclayout is not specified here because we're using the
> + * default large page ECC layout defined in NAND core.
> + */
> if (chip->ecc.strength == 32) {
> nfc->ecc_mode = ECC_60_BYTE;
> chip->ecc.bytes = 60;
> - chip->ecc.layout = &vf610_nfc_ecc60;
> } else if (chip->ecc.strength == 24) {
> nfc->ecc_mode = ECC_45_BYTE;
> chip->ecc.bytes = 45;
> - chip->ecc.layout = &vf610_nfc_ecc45;
> } else {
> dev_err(nfc->dev, "Unsupported ECC strength\n");
> err = -ENXIO;