diff options
Diffstat (limited to 'fs/yaffs2/yaffs_ecc.h')
-rw-r--r-- | fs/yaffs2/yaffs_ecc.h | 46 |
1 files changed, 23 insertions, 23 deletions
diff --git a/fs/yaffs2/yaffs_ecc.h b/fs/yaffs2/yaffs_ecc.h index 79bc3d1171..17d47bd80f 100644 --- a/fs/yaffs2/yaffs_ecc.h +++ b/fs/yaffs2/yaffs_ecc.h @@ -1,7 +1,7 @@ /* * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * - * Copyright (C) 2002-2007 Aleph One Ltd. + * Copyright (C) 2002-2011 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering * * Created by Charles Manning <charles@aleph1.co.uk> @@ -13,32 +13,32 @@ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. */ - /* - * This code implements the ECC algorithm used in SmartMedia. - * - * The ECC comprises 22 bits of parity information and is stuffed into 3 bytes. - * The two unused bit are set to 1. - * The ECC can correct single bit errors in a 256-byte page of data. Thus, two such ECC - * blocks are used on a 512-byte NAND page. - * - */ +/* + * This code implements the ECC algorithm used in SmartMedia. + * + * The ECC comprises 22 bits of parity information and is stuffed into 3 bytes. + * The two unused bit are set to 1. + * The ECC can correct single bit errors in a 256-byte page of data. + * Thus, two such ECC blocks are used on a 512-byte NAND page. + * + */ #ifndef __YAFFS_ECC_H__ #define __YAFFS_ECC_H__ -typedef struct { - unsigned char colParity; - unsigned lineParity; - unsigned lineParityPrime; -} yaffs_ECCOther; +struct yaffs_ecc_other { + unsigned char col_parity; + unsigned line_parity; + unsigned line_parity_prime; +}; -void yaffs_ECCCalculate(const unsigned char *data, unsigned char *ecc); -int yaffs_ECCCorrect(unsigned char *data, unsigned char *read_ecc, - const unsigned char *test_ecc); +void yaffs_ecc_calc(const unsigned char *data, unsigned char *ecc); +int yaffs_ecc_correct(unsigned char *data, unsigned char *read_ecc, + const unsigned char *test_ecc); -void yaffs_ECCCalculateOther(const unsigned char *data, unsigned nBytes, - yaffs_ECCOther * ecc); -int yaffs_ECCCorrectOther(unsigned char *data, unsigned nBytes, - yaffs_ECCOther * read_ecc, - const yaffs_ECCOther * test_ecc); +void yaffs_ecc_calc_other(const unsigned char *data, unsigned n_bytes, + struct yaffs_ecc_other *ecc); +int yaffs_ecc_correct_other(unsigned char *data, unsigned n_bytes, + struct yaffs_ecc_other *read_ecc, + const struct yaffs_ecc_other *test_ecc); #endif |