LXR uboot/include/linux/mtd/nand

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 *  drivers/mtd/nand_ecc.h
   4 *
   5 *  Copyright (C) 2000-2010 Steven J. Hill <sjhill@realitydiluted.com>
   6 *                          David Woodhouse <dwmw2@infradead.org>
   7 *                          Thomas Gleixner <tglx@linutronix.de>
   8 *
   9 * This file is the header for the ECC algorithm.
  10 */
  11
  12#ifndef __MTD_NAND_ECC_H__
  13#define __MTD_NAND_ECC_H__
  14
  15struct mtd_info;
  16
  17/*
  18 * Calculate 3 byte ECC code for 256 byte block
  19 */
  20int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code);
  21
  22/*
  23 * Detect and correct a 1 bit error for 256 byte block
  24 */
  25int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc);
  26
  27#endif /* __MTD_NAND_ECC_H__ */
  28