/*
- * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
+ * 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>
* 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