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/* * Copyright (C) 2000-2010 Steven J. Hill <sjhill@realitydiluted.com> * David Woodhouse <dwmw2@infradead.org> * Thomas Gleixner <tglx@linutronix.de> * * 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 ECC algorithm. */ #ifndef __MTD_NAND_ECC_H__ #define __MTD_NAND_ECC_H__ struct mtd_info; /* * Calculate 3 byte ECC code for eccsize byte block */ void __nand_calculate_ecc(const u_char *dat, unsigned int eccsize, u_char *ecc_code); /* * Calculate 3 byte ECC code for 256/512 byte block */ int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code); /* * Detect and correct a 1 bit error for eccsize byte block */ int __nand_correct_data(u_char *dat, u_char *read_ecc, u_char *calc_ecc, unsigned int eccsize); /* * Detect and correct a 1 bit error for 256/512 byte block */ int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc); #endif /* __MTD_NAND_ECC_H__ */