X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=yaffs_ecc.h;h=5328ad5386534cbffb1f281d23194f771c16cdf6;hp=f96d7077a72efb1ad6e8a2bf9d4e30f20d7ee56f;hb=6648cbf52d6695755941ff8607fd7a0cda542e05;hpb=363520161b021b7ac870c269064606e3f16feeeb

diff --git a/yaffs_ecc.h b/yaffs_ecc.h
index f96d707..5328ad5 100644
--- a/yaffs_ecc.h
+++ b/yaffs_ecc.h
@@ -1,41 +1,44 @@
 /*
- * YAFFS: Yet another FFS. A NAND-flash specific file system. 
+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
  *
- * yaffs_ecc.c: ECC generation/correction algorithms.
- *
- * Copyright (C) 2002 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>
  *
  * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
+ * it under the terms of the GNU Lesser General Public License version 2.1 as
  * published by the Free Software Foundation.
  *
+ * 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 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_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_cacl(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