X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=yaffs_ecc.c;h=4030908d518178c01de13b195290a3970337e627;hp=d037e90a2472c39b032096dd344b5f0f86e9ce97;hb=41573908f821bcb40750e7c069ea8f5178f630e5;hpb=3e5718ec7f0df7b76837d10583419b745cb27474

diff --git a/yaffs_ecc.c b/yaffs_ecc.c
index d037e90..4030908 100644
--- a/yaffs_ecc.c
+++ b/yaffs_ecc.c
@@ -1,7 +1,7 @@
 /*
  * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
  *
- * Copyright (C) 2002-2007 Aleph One Ltd.
+ * Copyright (C) 2002-2010 Aleph One Ltd.
  *   for Toby Churchill Ltd and Brightstar Engineering
  *
  * Created by Charles Manning <charles@aleph1.co.uk>
@@ -28,9 +28,6 @@
  * this bytes influence on the line parity.
  */
 
-const char *yaffs_ecc_c_version =
-	"$Id: yaffs_ecc.c,v 1.11 2009-03-06 17:20:50 wookey Exp $";
-
 #include "yportenv.h"
 
 #include "yaffs_ecc.h"
@@ -72,7 +69,7 @@ static const unsigned char column_parity_table[] = {
 
 /* Count the bits in an unsigned char or a U32 */
 
-static int yaffs_CountBits(unsigned char x)
+static int yaffs_count_bits(unsigned char x)
 {
 	int r = 0;
 	while (x) {
@@ -83,7 +80,7 @@ static int yaffs_CountBits(unsigned char x)
 	return r;
 }
 
-static int yaffs_CountBits32(unsigned x)
+static int yaffs_count_bits32(unsigned x)
 {
 	int r = 0;
 	while (x) {
@@ -95,7 +92,7 @@ static int yaffs_CountBits32(unsigned x)
 }
 
 /* Calculate the ECC for a 256-byte block of data */
-void yaffs_ECCCalculate(const unsigned char *data, unsigned char *ecc)
+void yaffs_ecc_cacl(const unsigned char *data, unsigned char *ecc)
 {
 	unsigned int i;
 
@@ -166,7 +163,7 @@ void yaffs_ECCCalculate(const unsigned char *data, unsigned char *ecc)
 
 /* Correct the ECC on a 256 byte block of data */
 
-int yaffs_ECCCorrect(unsigned char *data, unsigned char *read_ecc,
+int yaffs_ecc_correct(unsigned char *data, unsigned char *read_ecc,
 		     const unsigned char *test_ecc)
 {
 	unsigned char d0, d1, d2;	/* deltas */
@@ -226,9 +223,9 @@ int yaffs_ECCCorrect(unsigned char *data, unsigned char *read_ecc,
 		return 1; /* Corrected the error */
 	}
 
-	if ((yaffs_CountBits(d0) +
-	     yaffs_CountBits(d1) +
-	     yaffs_CountBits(d2)) ==  1) {
+	if ((yaffs_count_bits(d0) +
+	     yaffs_count_bits(d1) +
+	     yaffs_count_bits(d2)) ==  1) {
 		/* Reccoverable error in ecc */
 
 		read_ecc[0] = test_ecc[0];
@@ -248,7 +245,7 @@ int yaffs_ECCCorrect(unsigned char *data, unsigned char *read_ecc,
 /*
  * ECCxxxOther does ECC calcs on arbitrary n bytes of data
  */
-void yaffs_ECCCalculateOther(const unsigned char *data, unsigned nBytes,
+void yaffs_ecc_calc_other(const unsigned char *data, unsigned n_bytes,
 				yaffs_ECCOther *eccOther)
 {
 	unsigned int i;
@@ -258,7 +255,7 @@ void yaffs_ECCCalculateOther(const unsigned char *data, unsigned nBytes,
 	unsigned line_parity_prime = 0;
 	unsigned char b;
 
-	for (i = 0; i < nBytes; i++) {
+	for (i = 0; i < n_bytes; i++) {
 		b = column_parity_table[*data++];
 		col_parity ^= b;
 
@@ -275,7 +272,7 @@ void yaffs_ECCCalculateOther(const unsigned char *data, unsigned nBytes,
 	eccOther->lineParityPrime = line_parity_prime;
 }
 
-int yaffs_ECCCorrectOther(unsigned char *data, unsigned nBytes,
+int yaffs_ecc_correct_other(unsigned char *data, unsigned n_bytes,
 			yaffs_ECCOther *read_ecc,
 			const yaffs_ECCOther *test_ecc)
 {
@@ -304,7 +301,7 @@ int yaffs_ECCCorrectOther(unsigned char *data, unsigned nBytes,
 		if (cDelta & 0x02)
 			bit |= 0x01;
 
-		if (lDelta >= nBytes)
+		if (lDelta >= n_bytes)
 			return -1;
 
 		data[lDelta] ^= (1 << bit);
@@ -312,8 +309,8 @@ int yaffs_ECCCorrectOther(unsigned char *data, unsigned nBytes,
 		return 1; /* corrected */
 	}
 
-	if ((yaffs_CountBits32(lDelta) + yaffs_CountBits32(lDeltaPrime) +
-			yaffs_CountBits(cDelta)) == 1) {
+	if ((yaffs_count_bits32(lDelta) + yaffs_count_bits32(lDeltaPrime) +
+			yaffs_count_bits(cDelta)) == 1) {
 		/* Reccoverable error in ecc */
 
 		*read_ecc = *test_ecc;