[MTD] NAND: Clean up trailing white spaces
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Thomas Gleixner

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@@ -7,22 +7,22 @@
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* Copyright (C) 2000-2004 Steven J. Hill (sjhill@realitydiluted.com)
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* Toshiba America Electronics Components, Inc.
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*
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* $Id: nand_ecc.c,v 1.14 2004/06/16 15:34:37 gleixner Exp $
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* $Id: nand_ecc.c,v 1.15 2005/11/07 11:14:30 gleixner Exp $
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*
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* This file is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 or (at your option) any
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* later version.
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*
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*
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* This file is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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*
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* You should have received a copy of the GNU General Public License along
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* with this file; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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*
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*
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* As a special exception, if other files instantiate templates or use
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* macros or inline functions from these files, or you compile these
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* files and link them with other works to produce a work based on these
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@@ -30,7 +30,7 @@
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* covered by the GNU General Public License. However the source code for
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* these files must still be made available in accordance with section (3)
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* of the GNU General Public License.
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*
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*
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* This exception does not invalidate any other reasons why a work based on
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* this file might be covered by the GNU General Public License.
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*/
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@@ -67,7 +67,7 @@ static const u_char nand_ecc_precalc_table[] = {
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* nand_trans_result - [GENERIC] create non-inverted ECC
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* @reg2: line parity reg 2
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* @reg3: line parity reg 3
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* @ecc_code: ecc
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* @ecc_code: ecc
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*
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* Creates non-inverted ECC code from line parity
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*/
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@@ -75,11 +75,11 @@ static void nand_trans_result(u_char reg2, u_char reg3,
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u_char *ecc_code)
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{
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u_char a, b, i, tmp1, tmp2;
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/* Initialize variables */
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a = b = 0x80;
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tmp1 = tmp2 = 0;
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/* Calculate first ECC byte */
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for (i = 0; i < 4; i++) {
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if (reg3 & a) /* LP15,13,11,9 --> ecc_code[0] */
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@@ -90,7 +90,7 @@ static void nand_trans_result(u_char reg2, u_char reg3,
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b >>= 1;
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a >>= 1;
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}
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/* Calculate second ECC byte */
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b = 0x80;
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for (i = 0; i < 4; i++) {
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@@ -102,7 +102,7 @@ static void nand_trans_result(u_char reg2, u_char reg3,
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b >>= 1;
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a >>= 1;
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}
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/* Store two of the ECC bytes */
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ecc_code[0] = tmp1;
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ecc_code[1] = tmp2;
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@@ -118,28 +118,28 @@ int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code
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{
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u_char idx, reg1, reg2, reg3;
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int j;
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/* Initialize variables */
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reg1 = reg2 = reg3 = 0;
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ecc_code[0] = ecc_code[1] = ecc_code[2] = 0;
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/* Build up column parity */
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/* Build up column parity */
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for(j = 0; j < 256; j++) {
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/* Get CP0 - CP5 from table */
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idx = nand_ecc_precalc_table[dat[j]];
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reg1 ^= (idx & 0x3f);
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/* All bit XOR = 1 ? */
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if (idx & 0x40) {
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reg3 ^= (u_char) j;
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reg2 ^= ~((u_char) j);
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}
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}
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/* Create non-inverted ECC code from line parity */
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nand_trans_result(reg2, reg3, ecc_code);
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/* Calculate final ECC code */
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ecc_code[0] = ~ecc_code[0];
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ecc_code[1] = ~ecc_code[1];
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@@ -159,12 +159,12 @@ int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code
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int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc)
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{
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u_char a, b, c, d1, d2, d3, add, bit, i;
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/* Do error detection */
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/* Do error detection */
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d1 = calc_ecc[0] ^ read_ecc[0];
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d2 = calc_ecc[1] ^ read_ecc[1];
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d3 = calc_ecc[2] ^ read_ecc[2];
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if ((d1 | d2 | d3) == 0) {
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/* No errors */
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return 0;
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@@ -173,7 +173,7 @@ int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_cha
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a = (d1 ^ (d1 >> 1)) & 0x55;
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b = (d2 ^ (d2 >> 1)) & 0x55;
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c = (d3 ^ (d3 >> 1)) & 0x54;
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/* Found and will correct single bit error in the data */
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if ((a == 0x55) && (b == 0x55) && (c == 0x54)) {
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c = 0x80;
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@@ -237,7 +237,7 @@ int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_cha
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}
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}
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}
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/* Should never happen */
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return -1;
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}
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