From 95099d4622f8cb224d94e314c7a8e0df60b13f87 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:01 +0000
Subject: [PATCH] enable docker ppp
---
kernel/drivers/mtd/nand/raw/nand_bch.c | 39 ++++++++++++---------------------------
1 files changed, 12 insertions(+), 27 deletions(-)
diff --git a/kernel/drivers/mtd/nand/raw/nand_bch.c b/kernel/drivers/mtd/nand/raw/nand_bch.c
index b7387ac..9d19ac1 100644
--- a/kernel/drivers/mtd/nand/raw/nand_bch.c
+++ b/kernel/drivers/mtd/nand/raw/nand_bch.c
@@ -1,22 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* This file provides ECC correction for more than 1 bit per block of data,
* using binary BCH codes. It relies on the generic BCH library lib/bch.c.
*
* Copyright © 2011 Ivan Djelic <ivan.djelic@parrot.com>
- *
- * 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
- * later version.
- *
- * This file 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 file; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include <linux/types.h>
@@ -43,19 +30,18 @@
/**
* nand_bch_calculate_ecc - [NAND Interface] Calculate ECC for data block
- * @mtd: MTD block structure
+ * @chip: NAND chip object
* @buf: input buffer with raw data
* @code: output buffer with ECC
*/
-int nand_bch_calculate_ecc(struct mtd_info *mtd, const unsigned char *buf,
+int nand_bch_calculate_ecc(struct nand_chip *chip, const unsigned char *buf,
unsigned char *code)
{
- const struct nand_chip *chip = mtd_to_nand(mtd);
struct nand_bch_control *nbc = chip->ecc.priv;
unsigned int i;
memset(code, 0, chip->ecc.bytes);
- encode_bch(nbc->bch, buf, chip->ecc.size, code);
+ bch_encode(nbc->bch, buf, chip->ecc.size, code);
/* apply mask so that an erased page is a valid codeword */
for (i = 0; i < chip->ecc.bytes; i++)
@@ -67,22 +53,21 @@
/**
* nand_bch_correct_data - [NAND Interface] Detect and correct bit error(s)
- * @mtd: MTD block structure
+ * @chip: NAND chip object
* @buf: raw data read from the chip
* @read_ecc: ECC from the chip
* @calc_ecc: the ECC calculated from raw data
*
* Detect and correct bit errors for a data byte block
*/
-int nand_bch_correct_data(struct mtd_info *mtd, unsigned char *buf,
+int nand_bch_correct_data(struct nand_chip *chip, unsigned char *buf,
unsigned char *read_ecc, unsigned char *calc_ecc)
{
- const struct nand_chip *chip = mtd_to_nand(mtd);
struct nand_bch_control *nbc = chip->ecc.priv;
unsigned int *errloc = nbc->errloc;
int i, count;
- count = decode_bch(nbc->bch, NULL, chip->ecc.size, read_ecc, calc_ecc,
+ count = bch_decode(nbc->bch, NULL, chip->ecc.size, read_ecc, calc_ecc,
NULL, errloc);
if (count > 0) {
for (i = 0; i < count; i++) {
@@ -145,7 +130,7 @@
if (!nbc)
goto fail;
- nbc->bch = init_bch(m, t, 0);
+ nbc->bch = bch_init(m, t, 0, false);
if (!nbc->bch)
goto fail;
@@ -180,12 +165,13 @@
*/
nand->ecc.steps = eccsteps;
nand->ecc.total = eccsteps * eccbytes;
+ nand->base.ecc.ctx.total = nand->ecc.total;
if (mtd_ooblayout_count_eccbytes(mtd) != (eccsteps*eccbytes)) {
pr_warn("invalid ecc layout\n");
goto fail;
}
- nbc->eccmask = kmalloc(eccbytes, GFP_KERNEL);
+ nbc->eccmask = kzalloc(eccbytes, GFP_KERNEL);
nbc->errloc = kmalloc_array(t, sizeof(*nbc->errloc), GFP_KERNEL);
if (!nbc->eccmask || !nbc->errloc)
goto fail;
@@ -197,8 +183,7 @@
goto fail;
memset(erased_page, 0xff, eccsize);
- memset(nbc->eccmask, 0, eccbytes);
- encode_bch(nbc->bch, erased_page, eccsize, nbc->eccmask);
+ bch_encode(nbc->bch, erased_page, eccsize, nbc->eccmask);
kfree(erased_page);
for (i = 0; i < eccbytes; i++)
@@ -221,7 +206,7 @@
void nand_bch_free(struct nand_bch_control *nbc)
{
if (nbc) {
- free_bch(nbc->bch);
+ bch_free(nbc->bch);
kfree(nbc->errloc);
kfree(nbc->eccmask);
kfree(nbc);
--
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