diff options
Diffstat (limited to 'include/linux/mtd/nand_bch.h')
| -rw-r--r-- | include/linux/mtd/nand_bch.h | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/include/linux/mtd/nand_bch.h b/include/linux/mtd/nand_bch.h index 5465ddd132..d5956cc48b 100644 --- a/include/linux/mtd/nand_bch.h +++ b/include/linux/mtd/nand_bch.h @@ -1,10 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright © 2011 Ivan Djelic <ivan.djelic@parrot.com> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * * This file is the header for the NAND BCH ECC implementation. */ @@ -12,23 +9,24 @@ #define __MTD_NAND_BCH_H__ struct mtd_info; +struct nand_chip; struct nand_bch_control; -#if defined(CONFIG_NAND_ECC_BCH) +#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 mtd_info *mtd, const u_char *dat, +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 mtd_info *mtd, u_char *dat, u_char *read_ecc, - u_char *calc_ecc); +int nand_bch_correct_data(struct nand_chip *chip, u_char *dat, + u_char *read_ecc, u_char *calc_ecc); /* * Initialize BCH encoder/decoder */ @@ -38,22 +36,22 @@ struct nand_bch_control *nand_bch_init(struct mtd_info *mtd); */ void nand_bch_free(struct nand_bch_control *nbc); -#else /* !CONFIG_MTD_NAND_ECC_BCH */ +#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 mtd_info *mtd, const u_char *dat, +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 mtd_info *mtd, unsigned char *buf, +nand_bch_correct_data(struct nand_chip *chip, unsigned char *buf, unsigned char *read_ecc, unsigned char *calc_ecc) { - return -1; + return -ENOTSUPP; } static inline struct nand_bch_control *nand_bch_init(struct mtd_info *mtd) @@ -63,6 +61,6 @@ static inline struct nand_bch_control *nand_bch_init(struct mtd_info *mtd) static inline void nand_bch_free(struct nand_bch_control *nbc) {} -#endif /* CONFIG_MTD_NAND_ECC_BCH */ +#endif /* CONFIG_MTD_NAND_ECC_SW_BCH */ #endif /* __MTD_NAND_BCH_H__ */ |