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Based on 2 normalized pattern(s): 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 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 # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
40 lines
1.0 KiB
C
40 lines
1.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2000-2010 Steven J. Hill <sjhill@realitydiluted.com>
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* David Woodhouse <dwmw2@infradead.org>
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* Thomas Gleixner <tglx@linutronix.de>
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*
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* This file is the header for the ECC algorithm.
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*/
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#ifndef __MTD_NAND_ECC_H__
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#define __MTD_NAND_ECC_H__
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struct nand_chip;
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/*
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* Calculate 3 byte ECC code for eccsize byte block
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*/
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void __nand_calculate_ecc(const u_char *dat, unsigned int eccsize,
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u_char *ecc_code, bool sm_order);
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/*
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* Calculate 3 byte ECC code for 256/512 byte block
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*/
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int nand_calculate_ecc(struct nand_chip *chip, const u_char *dat,
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u_char *ecc_code);
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/*
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* Detect and correct a 1 bit error for eccsize byte block
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*/
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int __nand_correct_data(u_char *dat, u_char *read_ecc, u_char *calc_ecc,
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unsigned int eccsize, bool sm_order);
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/*
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* Detect and correct a 1 bit error for 256/512 byte block
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*/
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int nand_correct_data(struct nand_chip *chip, u_char *dat, u_char *read_ecc,
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u_char *calc_ecc);
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#endif /* __MTD_NAND_ECC_H__ */
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