X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fmtd%2Fnand%2Fnand_ecc.c;h=918a806a8471f7aaa1b68b29e5e401a15737d4a4;hb=071f4924844c435a3ae0cdbab7d7df2f1da85713;hp=2a163e4084df0dde8a3ada36357b58b60f11ce50;hpb=8542e5893c2b10b4f6c80149e7dc3fdd2dc38bc6;p=linux-2.6

diff --git a/drivers/mtd/nand/nand_ecc.c b/drivers/mtd/nand/nand_ecc.c
index 2a163e4084..918a806a84 100644
--- a/drivers/mtd/nand/nand_ecc.c
+++ b/drivers/mtd/nand/nand_ecc.c
@@ -9,8 +9,6 @@
  *
  * Copyright (C) 2006 Thomas Gleixner <tglx@linutronix.de>
  *
- * $Id: nand_ecc.c,v 1.15 2005/11/07 11:14:30 gleixner Exp $
- *
  * This file is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the
  * Free Software Foundation; either version 2 or (at your option) any
@@ -65,8 +63,7 @@ static const u_char nand_ecc_precalc_table[] = {
 };
 
 /**
- * nand_calculate_ecc - [NAND Interface] Calculate 3 byte ECC code
- *			for 256 byte block
+ * nand_calculate_ecc - [NAND Interface] Calculate 3-byte ECC for 256-byte block
  * @mtd:	MTD block structure
  * @dat:	raw data
  * @ecc_code:	buffer for ECC
@@ -113,7 +110,7 @@ int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat,
 	tmp2 |= (reg2 & 0x01) << 0; /* B7 -> B0 */
 
 	/* Calculate final ECC code */
-#ifdef CONFIG_NAND_ECC_SMC
+#ifdef CONFIG_MTD_NAND_ECC_SMC
 	ecc_code[0] = ~tmp2;
 	ecc_code[1] = ~tmp1;
 #else
@@ -149,7 +146,7 @@ int nand_correct_data(struct mtd_info *mtd, u_char *dat,
 {
 	uint8_t s0, s1, s2;
 
-#ifdef CONFIG_NAND_ECC_SMC
+#ifdef CONFIG_MTD_NAND_ECC_SMC
 	s0 = calc_ecc[0] ^ read_ecc[0];
 	s1 = calc_ecc[1] ^ read_ecc[1];
 	s2 = calc_ecc[2] ^ read_ecc[2];
@@ -190,7 +187,7 @@ int nand_correct_data(struct mtd_info *mtd, u_char *dat,
 	if(countbits(s0 | ((uint32_t)s1 << 8) | ((uint32_t)s2 <<16)) == 1)
 		return 1;
 
-	return -1;
+	return -EBADMSG;
 }
 EXPORT_SYMBOL(nand_correct_data);