diff options
| author | Miquel Raynal <miquel.raynal@bootlin.com> | 2020-09-30 02:01:06 +0300 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2020-11-30 11:27:32 +0300 |
| commit | cdbe8df5e28e452c232c0c16b205edfd390d28e5 (patch) | |
| tree | b01d0506143b4b00b08ebf30e33767b1dfaae4d5 /include/linux/mtd/nand_bch.h | |
| parent | 51e7bf4534da678da27c0f51e7ff21804fae88ca (diff) | |
| download | linux-cdbe8df5e28e452c232c0c16b205edfd390d28e5.tar.xz | |
mtd: nand: ecc-bch: Move BCH code to the generic NAND layer
BCH ECC code might be later re-used by the SPI NAND layer.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200929230124.31491-3-miquel.raynal@bootlin.com
Diffstat (limited to 'include/linux/mtd/nand_bch.h')
| -rw-r--r-- | include/linux/mtd/nand_bch.h | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/include/linux/mtd/nand_bch.h b/include/linux/mtd/nand_bch.h deleted file mode 100644 index d5956cc48ba9..000000000000 --- a/include/linux/mtd/nand_bch.h +++ /dev/null @@ -1,66 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Copyright © 2011 Ivan Djelic <ivan.djelic@parrot.com> - * - * This file is the header for the NAND BCH ECC implementation. - */ - -#ifndef __MTD_NAND_BCH_H__ -#define __MTD_NAND_BCH_H__ - -struct mtd_info; -struct nand_chip; -struct nand_bch_control; - -#if IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_BCH) - -static inline int mtd_nand_has_bch(void) { return 1; } - -/* - * Calculate BCH ecc code - */ -int nand_bch_calculate_ecc(struct nand_chip *chip, const u_char *dat, - u_char *ecc_code); - -/* - * Detect and correct bit errors - */ -int nand_bch_correct_data(struct nand_chip *chip, u_char *dat, - u_char *read_ecc, u_char *calc_ecc); -/* - * Initialize BCH encoder/decoder - */ -struct nand_bch_control *nand_bch_init(struct mtd_info *mtd); -/* - * Release BCH encoder/decoder resources - */ -void nand_bch_free(struct nand_bch_control *nbc); - -#else /* !CONFIG_MTD_NAND_ECC_SW_BCH */ - -static inline int mtd_nand_has_bch(void) { return 0; } - -static inline int -nand_bch_calculate_ecc(struct nand_chip *chip, const u_char *dat, - u_char *ecc_code) -{ - return -1; -} - -static inline int -nand_bch_correct_data(struct nand_chip *chip, unsigned char *buf, - unsigned char *read_ecc, unsigned char *calc_ecc) -{ - return -ENOTSUPP; -} - -static inline struct nand_bch_control *nand_bch_init(struct mtd_info *mtd) -{ - return NULL; -} - -static inline void nand_bch_free(struct nand_bch_control *nbc) {} - -#endif /* CONFIG_MTD_NAND_ECC_SW_BCH */ - -#endif /* __MTD_NAND_BCH_H__ */ |