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Commit | Line | Data |
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932394ac WD |
1 | /* |
2 | * drivers/mtd/nand_ecc.h | |
3 | * | |
78e9e71c TR |
4 | * Copyright (C) 2000-2010 Steven J. Hill <sjhill@realitydiluted.com> |
5 | * David Woodhouse <dwmw2@infradead.org> | |
6 | * Thomas Gleixner <tglx@linutronix.de> | |
932394ac | 7 | * |
78e9e71c | 8 | * SPDX-License-Identifier: GPL-2.0 |
932394ac WD |
9 | * |
10 | * This file is the header for the ECC algorithm. | |
11 | */ | |
12 | ||
13 | #ifndef __MTD_NAND_ECC_H__ | |
14 | #define __MTD_NAND_ECC_H__ | |
15 | ||
16 | struct mtd_info; | |
17 | ||
18 | /* | |
19 | * Calculate 3 byte ECC code for 256 byte block | |
20 | */ | |
21 | int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code); | |
22 | ||
23 | /* | |
24 | * Detect and correct a 1 bit error for 256 byte block | |
25 | */ | |
26 | int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc); | |
27 | ||
28 | #endif /* __MTD_NAND_ECC_H__ */ |