diff options
Diffstat (limited to 'include/linux/mtd/nand_ecc.h')
-rw-r--r-- | include/linux/mtd/nand_ecc.h | 35 |
1 files changed, 22 insertions, 13 deletions
diff --git a/include/linux/mtd/nand_ecc.h b/include/linux/mtd/nand_ecc.h index 1dc779581f..d423916b94 100644 --- a/include/linux/mtd/nand_ecc.h +++ b/include/linux/mtd/nand_ecc.h @@ -1,13 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* - * drivers/mtd/nand_ecc.h - * - * Copyright (C) 2000 Steven J. Hill (sjhill@realitydiluted.com) - * - * $Id: nand_ecc.h,v 1.4 2004/06/17 02:35:02 dbrown Exp $ - * - * 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. + * Copyright (C) 2000-2010 Steven J. Hill <sjhill@realitydiluted.com> + * David Woodhouse <dwmw2@infradead.org> + * Thomas Gleixner <tglx@linutronix.de> * * This file is the header for the ECC algorithm. */ @@ -18,13 +13,27 @@ struct nand_chip; /* - * Calculate 3 byte ECC code for 256 byte block + * Calculate 3 byte ECC code for eccsize byte block + */ +void __nand_calculate_ecc(const u_char *dat, unsigned int eccsize, + u_char *ecc_code, bool sm_order); + +/* + * Calculate 3 byte ECC code for 256/512 byte block + */ +int nand_calculate_ecc(struct nand_chip *chip, const u_char *dat, + u_char *ecc_code); + +/* + * Detect and correct a 1 bit error for eccsize byte block */ -int nand_calculate_ecc(struct nand_chip *chip, const u_char *dat, u_char *ecc_code); +int __nand_correct_data(u_char *dat, u_char *read_ecc, u_char *calc_ecc, + unsigned int eccsize, bool sm_order); /* - * Detect and correct a 1 bit error for 256 byte block + * Detect and correct a 1 bit error for 256/512 byte block */ -int nand_correct_data(struct nand_chip *chip, u_char *dat, u_char *read_ecc, u_char *calc_ecc); +int nand_correct_data(struct nand_chip *chip, u_char *dat, u_char *read_ecc, + u_char *calc_ecc); #endif /* __MTD_NAND_ECC_H__ */ |