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Re: [PATCH v4 48/52] mtd: nand: vf610: switch to mtd_ooblayout_ops

From Stefan Agner <stefan@agner.ch>
Newsgroups linux.kernel
Subject Re: [PATCH v4 48/52] mtd: nand: vf610: switch to mtd_ooblayout_ops
Date 2016-03-07 19:10 +0100
Message-ID <ra7Ls-6kn-29@gated-at.bofh.it> (permalink)
References <r9ZXz-16Y-3@gated-at.bofh.it> <ra07j-1aG-75@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 2016-03-07 01:47, Boris Brezillon wrote:
> Implementing the mtd_ooblayout_ops interface is the new way of exposing
> ECC/OOB layout to MTD users.

Hi Boris,

Tested this revision, works out of the box now!

Thanks!

Tested-by: Stefan Agner <stefan@agner.ch>
Acked-by: Stefan Agner <stefan@agner.ch>

--
Stefan

> 
> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
> ---
>  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;

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Thread

[PATCH v4 00/52] mtd: rework ECC layout definition Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 10:50 +0100
  [PATCH v4 01/52] mtd: kill the ecclayout->oobavail field Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 10:50 +0100
  [PATCH v4 21/52] mtd: nand: implement the default mtd_ooblayout_ops Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 10:50 +0100
  [PATCH v4 14/52] mtd: add mtd_set_ecclayout() helper function Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 10:50 +0100
  [PATCH v4 32/52] mtd: nand: docg4: switch to mtd_ooblayout_ops Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:00 +0100
  [PATCH v4 39/52] mtd: nand: jz4780: switch to mtd_ooblayout_ops Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:00 +0100
  [PATCH v4 24/52] mtd: nand: jz4740: switch to mtd_ooblayout_ops Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:00 +0100
  [PATCH v4 29/52] mtd: nand: davinci: switch to mtd_ooblayout_ops Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:00 +0100
  [PATCH v4 42/52] mtd: nand: omap2: switch to mtd_ooblayout_ops Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:00 +0100
  [PATCH v4 43/52] mtd: nand: pxa3xx: switch to mtd_ooblayout_ops Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:00 +0100
  [PATCH v4 50/52] staging: mt29f_spinand: switch to mtd_ooblayout_ops Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:00 +0100
  [PATCH v4 25/52] mtd: nand: atmel: switch to mtd_ooblayout_ops Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:00 +0100
  [PATCH v4 26/52] mtd: nand: bf5xx: switch to mtd_ooblayout_ops Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:00 +0100
  [PATCH v4 45/52] mtd: nand: sh_flctl: switch to mtd_ooblayout_ops Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:00 +0100
  [PATCH v4 41/52] mtd: nand: mxc: switch to mtd_ooblayout_ops Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:00 +0100
  [PATCH v4 37/52] mtd: nand: gpmi: switch to mtd_ooblayout_ops Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:00 +0100
  [PATCH v4 31/52] mtd: nand: diskonchip: switch to mtd_ooblayout_ops Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:00 +0100
  [PATCH v4 51/52] mtd: nand: kill the ecc->layout field Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:00 +0100
  [PATCH v4 36/52] mtd: nand: fsmc: get rid of the fsmc_nand_eccplace struct Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:00 +0100
  [PATCH v4 20/52] mtd: docg3: switch to mtd_ooblayout_ops Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:00 +0100
  [PATCH v4 35/52] mtd: nand: fsmc: switch to mtd_ooblayout_ops Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:00 +0100
  [PATCH v4 34/52] mtd: nand: fsl_ifc: switch to mtd_ooblayout_ops Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:00 +0100
  [PATCH v4 46/52] mtd: nand: sm_common: switch to mtd_ooblayout_ops Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:00 +0100
  [PATCH v4 44/52] mtd: nand: s3c2410: switch to mtd_ooblayout_ops Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:00 +0100
  [PATCH v4 52/52] mtd: kill the nand_ecclayout struct Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:00 +0100
  [PATCH v4 28/52] mtd: nand: cafe: switch to mtd_ooblayout_ops Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:00 +0100
  [PATCH v4 40/52] mtd: nand: lpc32xx: switch to mtd_ooblayout_ops Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:00 +0100
  [PATCH v4 49/52] mtd: onenand: switch to mtd_ooblayout_ops Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:00 +0100
  [PATCH v4 48/52] mtd: nand: vf610: switch to mtd_ooblayout_ops Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:00 +0100
    Re: [PATCH v4 48/52] mtd: nand: vf610: switch to mtd_ooblayout_ops Stefan Agner <stefan@agner.ch> - 2016-03-07 19:10 +0100
  [PATCH v4 47/52] mtd: nand: sunxi: switch to mtd_ooblayout_ops Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:00 +0100
  [PATCH v4 30/52] mtd: nand: denali: switch to mtd_ooblayout_ops Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:00 +0100
  [PATCH v4 38/52] mtd: nand: hisi504: switch to mtd_ooblayout_ops Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:00 +0100
  [PATCH v4 23/52] mtd: nand: sharpsl: switch to mtd_ooblayout_ops Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:10 +0100
  [PATCH v4 10/52] mtd: nand: gpmi: use mtd_ooblayout_xxx() helpers where appropriate Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:10 +0100
  [PATCH v4 03/52] mtd: mtdswap: remove useless if (!mtd->ecclayout) test Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:10 +0100
  [PATCH v4 18/52] mtd: docg3: use mtd_set_ecclayout() where appropriate Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:10 +0100
  [PATCH v4 13/52] mtd: onenand: use mtd_ooblayout_xxx() helpers where appropriate Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:10 +0100
  [PATCH v4 17/52] mtd: onenand: use mtd_set_ecclayout() where appropriate Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:10 +0100
  [PATCH v4 04/52] mtd: nand: simplify nand_bch_init() usage Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:10 +0100
  [PATCH v4 06/52] mtd: use mtd_ooblayout_xxx() helpers where appropriate Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:10 +0100
  [PATCH v4 05/52] mtd: add mtd_ooblayout_xxx() helper functions Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:10 +0100
  [PATCH v4 19/52] mtd: create an mtd_ooblayout_ops struct to ease ECC layout definition Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:10 +0100
  [PATCH v4 07/52] mtd: nand: core: use mtd_ooblayout_xxx() helpers where appropriate Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:10 +0100
  [PATCH v4 16/52] mtd: nand: use mtd_set_ecclayout() where appropriate Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:10 +0100
  Re: [PATCH v4 00/52] mtd: rework ECC layout definition Brian Norris <computersforpeace@gmail.com> - 2016-03-10 20:10 +0100

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