1 files changed, 0 insertions, 95 deletions
diff --git a/ubi-utils/src/nandcorr.c b/ubi-utils/src/nandcorr.c
deleted file mode 100644
index caa07e2..0000000
--- a/ubi-utils/src/nandcorr.c
+++ /dev/null
@@ -1,95 +0,0 @@
-/*
- * Copyright (c) International Business Machines Corp., 2006
- *
- * This program 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 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
- * the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-/*
- * ECC algorithm for NAND FLASH. Detects and corrects 1 bit errors in
- * a 256 bytes of data.
- *
- * Reimplement by Thomas Gleixner after staring long enough at the
- * mess in drivers/mtd/nand/nandecc.c
- *
- */
-
-#include "nandecc.h"
-
-static int countbits(uint32_t byte)
-{
-	int res = 0;
-
-	for (;byte; byte >>= 1)
-		res += byte & 0x01;
-	return res;
-}
-
-/**
- * @dat:       data which should be corrected
- * @read_ecc:  ecc information read from flash
- * @calc_ecc:  calculated ecc information from the data
- * @return:    number of corrected bytes
- *             or -1 when no correction is possible
- */
-int nand_correct_data(uint8_t *dat, const uint8_t *read_ecc,
-		      const uint8_t *calc_ecc)
-{
-	uint8_t s0, s1, s2;
-
-	/*
-	 * Do error detection
-	 *
-	 * Be careful, the index magic is due to a pointer to a
-	 * uint32_t.
-	 */
-	s0 = calc_ecc[0] ^ read_ecc[0];
-	s1 = calc_ecc[1] ^ read_ecc[1];
-	s2 = calc_ecc[2] ^ read_ecc[2];
-
-	if ((s0 | s1 | s2) == 0)
-		return 0;
-
-	/* Check for a single bit error */
-	if( ((s0 ^ (s0 >> 1)) & 0x55) == 0x55 &&
-	    ((s1 ^ (s1 >> 1)) & 0x55) == 0x55 &&
-	    ((s2 ^ (s2 >> 1)) & 0x54) == 0x54) {
-
-		uint32_t byteoffs, bitnum;
-
-		byteoffs = (s1 << 0) & 0x80;
-		byteoffs |= (s1 << 1) & 0x40;
-		byteoffs |= (s1 << 2) & 0x20;
-		byteoffs |= (s1 << 3) & 0x10;
-
-		byteoffs |= (s0 >> 4) & 0x08;
-		byteoffs |= (s0 >> 3) & 0x04;
-		byteoffs |= (s0 >> 2) & 0x02;
-		byteoffs |= (s0 >> 1) & 0x01;
-
-		bitnum = (s2 >> 5) & 0x04;
-		bitnum |= (s2 >> 4) & 0x02;
-		bitnum |= (s2 >> 3) & 0x01;
-
-		dat[byteoffs] ^= (1 << bitnum);
-
-		return 1;
-	}
-
-	if(countbits(s0 | ((uint32_t)s1 << 8) | ((uint32_t)s2 <<16)) == 1)
-		return 1;
-
-	return -1;
-}
-