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| author | Miquel Raynal <miquel.raynal@bootlin.com> | 2020-09-30 02:01:12 +0300 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2020-11-30 11:27:33 +0300 |
| commit | 80fe603160a4732a08f0f08f3e3312a3f3a79eee (patch) | |
| tree | 902b7fe685b9b47224d3983dcb06949b8449b6ba /include/linux/mtd | |
| parent | ea146d7fbf5081b5eb2777df5e30ed70ca68985b (diff) | |
| download | linux-80fe603160a4732a08f0f08f3e3312a3f3a79eee.tar.xz | |
mtd: nand: ecc-bch: Stop using raw NAND structures
This code is meant to be reused by the SPI-NAND core. Now that the
driver has been cleaned and reorganized, use a generic ECC engine
object to store the driver's data instead of accessing members of the
nand_chip structure.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200929230124.31491-9-miquel.raynal@bootlin.com
Diffstat (limited to 'include/linux/mtd')
| -rw-r--r-- | include/linux/mtd/nand-ecc-sw-bch.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/include/linux/mtd/nand-ecc-sw-bch.h b/include/linux/mtd/nand-ecc-sw-bch.h index f0caee3b03d0..ce005528e55f 100644 --- a/include/linux/mtd/nand-ecc-sw-bch.h +++ b/include/linux/mtd/nand-ecc-sw-bch.h @@ -9,6 +9,31 @@ #define __MTD_NAND_ECC_SW_BCH_H__ #include <linux/mtd/nand.h> +#include <linux/bch.h> + +/** + * struct nand_ecc_sw_bch_conf - private software BCH ECC engine structure + * @reqooblen: Save the actual user OOB length requested before overwriting it + * @spare_oobbuf: Spare OOB buffer if none is provided + * @code_size: Number of bytes needed to store a code (one code per step) + * @nsteps: Number of steps + * @calc_buf: Buffer to use when calculating ECC bytes + * @code_buf: Buffer to use when reading (raw) ECC bytes from the chip + * @bch: BCH control structure + * @errloc: error location array + * @eccmask: XOR ecc mask, allows erased pages to be decoded as valid + */ +struct nand_ecc_sw_bch_conf { + unsigned int reqooblen; + void *spare_oobbuf; + unsigned int code_size; + unsigned int nsteps; + u8 *calc_buf; + u8 *code_buf; + struct bch_control *bch; + unsigned int *errloc; + unsigned char *eccmask; +}; #if IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_BCH) |