1 /* SPDX-License-Identifier: GPL-2.0 */
3 * drivers/mtd/nand_ecc.h
5 * Copyright (C) 2000-2010 Steven J. Hill <sjhill@realitydiluted.com>
6 * David Woodhouse <dwmw2@infradead.org>
7 * Thomas Gleixner <tglx@linutronix.de>
9 * This file is the header for the ECC algorithm.
12 #ifndef __MTD_NAND_ECC_H__
13 #define __MTD_NAND_ECC_H__
18 * Calculate 3 byte ECC code for 256 byte block
20 int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code);
23 * Detect and correct a 1 bit error for 256 byte block
25 int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc);
27 #endif /* __MTD_NAND_ECC_H__ */