X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=yaffs_ecc.h;h=17d47bd80f3e3eddc254bacedfea65b312443e70;hp=b0c461d699e674159363119b4ef999c8c6fddadb;hb=8a888f806c297984b100e2ef94e3bd47849cd541;hpb=5409719091c79983abc45bcc3070bce6786c8278 diff --git a/yaffs_ecc.h b/yaffs_ecc.h index b0c461d..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 @@ -18,8 +18,8 @@ * * 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. * */ @@ -32,7 +32,7 @@ struct yaffs_ecc_other { 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);