add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/drivers/mtd/nand/raw/nand_bch.c
..
..
@@ -1,22 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * This file provides ECC correction for more than 1 bit per block of data,
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  * using binary BCH codes. It relies on the generic BCH library lib/bch.c.
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  *
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  * Copyright © 2011 Ivan Djelic <ivan.djelic@parrot.com>
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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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- * 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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- * 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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7
  */
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8
 
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 #include <linux/types.h>
..
..
@@ -43,19 +30,18 @@
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30
 
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 /**
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  * nand_bch_calculate_ecc - [NAND Interface] Calculate ECC for data block
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- * @mtd:	MTD block structure
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+ * @chip:	NAND chip object
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  * @buf:	input buffer with raw data
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  * @code:	output buffer with ECC
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  */
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-int nand_bch_calculate_ecc(struct mtd_info *mtd, const unsigned char *buf,
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+int nand_bch_calculate_ecc(struct nand_chip *chip, const unsigned char *buf,
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38
 			   unsigned char *code)
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 {
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-	const struct nand_chip *chip = mtd_to_nand(mtd);
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 	struct nand_bch_control *nbc = chip->ecc.priv;
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 	unsigned int i;
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42
 
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 	memset(code, 0, chip->ecc.bytes);
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-	encode_bch(nbc->bch, buf, chip->ecc.size, code);
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+	bch_encode(nbc->bch, buf, chip->ecc.size, code);
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45
 
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 	/* apply mask so that an erased page is a valid codeword */
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 	for (i = 0; i < chip->ecc.bytes; i++)
..
..
@@ -67,22 +53,21 @@
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53
 
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 /**
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  * nand_bch_correct_data - [NAND Interface] Detect and correct bit error(s)
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- * @mtd:	MTD block structure
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+ * @chip:	NAND chip object
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  * @buf:	raw data read from the chip
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  * @read_ecc:	ECC from the chip
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  * @calc_ecc:	the ECC calculated from raw data
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  *
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  * Detect and correct bit errors for a data byte block
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  */
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-int nand_bch_correct_data(struct mtd_info *mtd, unsigned char *buf,
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+int nand_bch_correct_data(struct nand_chip *chip, unsigned char *buf,
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 			  unsigned char *read_ecc, unsigned char *calc_ecc)
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 {
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-	const struct nand_chip *chip = mtd_to_nand(mtd);
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 	struct nand_bch_control *nbc = chip->ecc.priv;
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 	unsigned int *errloc = nbc->errloc;
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 	int i, count;
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-	count = decode_bch(nbc->bch, NULL, chip->ecc.size, read_ecc, calc_ecc,
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+	count = bch_decode(nbc->bch, NULL, chip->ecc.size, read_ecc, calc_ecc,
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 			   NULL, errloc);
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 	if (count > 0) {
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 		for (i = 0; i < count; i++) {
..
..
@@ -145,7 +130,7 @@
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 	if (!nbc)
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 		goto fail;
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-	nbc->bch = init_bch(m, t, 0);
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+	nbc->bch = bch_init(m, t, 0, false);
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 	if (!nbc->bch)
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 		goto fail;
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136
 
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@@ -180,12 +165,13 @@
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 	 */
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 	nand->ecc.steps = eccsteps;
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 	nand->ecc.total = eccsteps * eccbytes;
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+	nand->base.ecc.ctx.total = nand->ecc.total;
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 	if (mtd_ooblayout_count_eccbytes(mtd) != (eccsteps*eccbytes)) {
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 		pr_warn("invalid ecc layout\n");
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 		goto fail;
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 	}
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-	nbc->eccmask = kmalloc(eccbytes, GFP_KERNEL);
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+	nbc->eccmask = kzalloc(eccbytes, GFP_KERNEL);
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 	nbc->errloc = kmalloc_array(t, sizeof(*nbc->errloc), GFP_KERNEL);
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 	if (!nbc->eccmask || !nbc->errloc)
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 		goto fail;
..
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@@ -197,8 +183,7 @@
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 		goto fail;
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 	memset(erased_page, 0xff, eccsize);
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-	memset(nbc->eccmask, 0, eccbytes);
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-	encode_bch(nbc->bch, erased_page, eccsize, nbc->eccmask);
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+	bch_encode(nbc->bch, erased_page, eccsize, nbc->eccmask);
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 	kfree(erased_page);
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 	for (i = 0; i < eccbytes; i++)
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@@ -221,7 +206,7 @@
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 void nand_bch_free(struct nand_bch_control *nbc)
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 {
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 	if (nbc) {
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-		free_bch(nbc->bch);
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+		bch_free(nbc->bch);
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 		kfree(nbc->errloc);
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 		kfree(nbc->eccmask);
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 		kfree(nbc);