X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=yaffs_ecc.h;h=17d47bd80f3e3eddc254bacedfea65b312443e70;hp=ef1fa60991aac2c67049a6e940249a25201e8976;hb=8a888f806c297984b100e2ef94e3bd47849cd541;hpb=e33554a67753729f6b74677473cf0ec3b8d35a7e diff --git a/yaffs_ecc.h b/yaffs_ecc.h index ef1fa60..17d47bd 100644 --- a/yaffs_ecc.h +++ b/yaffs_ecc.h @@ -1,7 +1,7 @@ /* * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * - * Copyright (C) 2002-2010 Aleph One Ltd. + * Copyright (C) 2002-2011 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering * * Created by Charles Manning @@ -18,27 +18,27 @@ * * 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. + * 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_ecc_cacl(const unsigned char *data, unsigned char *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); + const unsigned char *test_ecc); -void yaffs_ecc_calc_other(const unsigned char *data, unsigned nBytes, - yaffs_ECCOther *ecc); -int yaffs_ecc_correct_other(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