X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=yaffs_ecc.h;h=1dc64416895bc227448120623564a5619fdbe2c6;hp=b0c461d699e674159363119b4ef999c8c6fddadb;hb=HEAD;hpb=3ecea787c3d99a5e13bf3b826dd3ad772fbad810 diff --git a/yaffs_ecc.h b/yaffs_ecc.h index b0c461d..1dc6441 100644 --- a/yaffs_ecc.h +++ b/yaffs_ecc.h @@ -1,8 +1,7 @@ /* * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * - * Copyright (C) 2002-2010 Aleph One Ltd. - * for Toby Churchill Ltd and Brightstar Engineering + * Copyright (C) 2002-2018 Aleph One Ltd. * * Created by Charles Manning * @@ -18,8 +17,8 @@ * * 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 +31,7 @@ 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);