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mtd: nand: ecc-hamming: Move Hamming code to the generic NAND layer

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Hamming ECC code might be later re-used by the SPI NAND layer.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200929230124.31491-12-miquel.raynal@bootlin.com
This commit is contained in:
Miquel Raynal 2020-09-30 01:01:15 +02:00
parent cbd87780be
commit e5acf9c862
36 changed files with 46 additions and 45 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm/mach-s3c/common-smdk-s3c24xx.c
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@ -20,7 +20,7 @@
#include <linux/mtd/mtd.h>
#include <linux/mtd/rawnand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/nand-ecc-sw-hamming.h>
#include <linux/mtd/partitions.h>
#include <linux/io.h>

2
arch/arm/mach-s3c/mach-anubis.c
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@ -34,7 +34,7 @@
#include <linux/mtd/mtd.h>
#include <linux/mtd/rawnand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/nand-ecc-sw-hamming.h>
#include <linux/mtd/partitions.h>
#include <net/ax88796.h>

2
arch/arm/mach-s3c/mach-at2440evb.c
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@ -35,7 +35,7 @@
#include <linux/mtd/mtd.h>
#include <linux/mtd/rawnand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/nand-ecc-sw-hamming.h>
#include <linux/mtd/partitions.h>
#include "devs.h"

2
arch/arm/mach-s3c/mach-bast.c
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@ -24,7 +24,7 @@
#include <linux/mtd/mtd.h>
#include <linux/mtd/rawnand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/nand-ecc-sw-hamming.h>
#include <linux/mtd/partitions.h>
#include <linux/platform_data/asoc-s3c24xx_simtec.h>

2
arch/arm/mach-s3c/mach-gta02.c
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@ -37,7 +37,7 @@
#include <linux/mtd/mtd.h>
#include <linux/mtd/rawnand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/nand-ecc-sw-hamming.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>

2
arch/arm/mach-s3c/mach-jive.c
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@ -40,7 +40,7 @@
#include <linux/mtd/mtd.h>
#include <linux/mtd/rawnand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/nand-ecc-sw-hamming.h>
#include <linux/mtd/partitions.h>
#include "gpio-cfg.h"

2
arch/arm/mach-s3c/mach-mini2440.c
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@ -44,7 +44,7 @@
#include <linux/mtd/mtd.h>
#include <linux/mtd/rawnand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/nand-ecc-sw-hamming.h>
#include <linux/mtd/partitions.h>
#include "gpio-cfg.h"

2
arch/arm/mach-s3c/mach-osiris.c
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@ -33,7 +33,7 @@
#include <linux/mtd/mtd.h>
#include <linux/mtd/rawnand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/nand-ecc-sw-hamming.h>
#include <linux/mtd/partitions.h>
#include "cpu.h"

2
arch/arm/mach-s3c/mach-qt2410.c
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@ -21,7 +21,7 @@
#include <linux/io.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/rawnand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/nand-ecc-sw-hamming.h>
#include <linux/mtd/partitions.h>
#include <asm/mach/arch.h>

2
arch/arm/mach-s3c/mach-rx3715.c
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@ -22,7 +22,7 @@
#include <linux/io.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/rawnand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/nand-ecc-sw-hamming.h>
#include <linux/mtd/partitions.h>
#include <asm/mach/arch.h>

2
arch/arm/mach-s3c/mach-vstms.c
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@ -16,7 +16,7 @@
#include <linux/io.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/rawnand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/nand-ecc-sw-hamming.h>
#include <linux/mtd/partitions.h>
#include <linux/memblock.h>

1
drivers/mtd/Kconfig
View File

@ -152,6 +152,7 @@ config SM_FTL
tristate "SmartMedia/xD new translation layer"
depends on BLOCK
select MTD_BLKDEVS
select MTD_NAND_CORE
select MTD_NAND_ECC_SW_HAMMING
help
This enables EXPERIMENTAL R/W support for SmartMedia/xD

11
drivers/mtd/nand/Kconfig
View File

@ -15,6 +15,17 @@ config MTD_NAND_ECC
bool
depends on MTD_NAND_CORE
config MTD_NAND_ECC_SW_HAMMING
bool
config MTD_NAND_ECC_SW_HAMMING_SMC
bool "NAND ECC Smart Media byte order"
depends on MTD_NAND_ECC_SW_HAMMING
default n
help
Software ECC according to the Smart Media Specification.
The original Linux implementation had byte 0 and 1 swapped.
config MTD_NAND_ECC_SW_BCH
bool "Software BCH ECC engine"
select BCH

1
drivers/mtd/nand/Makefile
View File

@ -8,4 +8,5 @@ obj-y += raw/
obj-y += spi/
nandcore-$(CONFIG_MTD_NAND_ECC) += ecc.o
nandcore-$(CONFIG_MTD_NAND_ECC_SW_HAMMING) += ecc-sw-hamming.o
nandcore-$(CONFIG_MTD_NAND_ECC_SW_BCH) += ecc-sw-bch.o

2
drivers/mtd/nand/raw/nand_ecc.c → drivers/mtd/nand/ecc-sw-hamming.c
View File

@ -19,7 +19,7 @@
#include <linux/module.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/rawnand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/nand-ecc-sw-hamming.h>
#include <asm/byteorder.h>
/*

11
drivers/mtd/nand/raw/Kconfig
View File

@ -1,15 +1,4 @@
# SPDX-License-Identifier: GPL-2.0-only
config MTD_NAND_ECC_SW_HAMMING
tristate
config MTD_NAND_ECC_SW_HAMMING_SMC
bool "NAND ECC Smart Media byte order"
depends on MTD_NAND_ECC_SW_HAMMING
default n
help
Software ECC according to the Smart Media Specification.
The original Linux implementation had byte 0 and 1 swapped.
menuconfig MTD_RAW_NAND
tristate "Raw/Parallel NAND Device Support"
select MTD_NAND_CORE

1
drivers/mtd/nand/raw/Makefile
View File

@ -1,7 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
obj-$(CONFIG_MTD_RAW_NAND) += nand.o
obj-$(CONFIG_MTD_NAND_ECC_SW_HAMMING) += nand_ecc.o
obj-$(CONFIG_MTD_SM_COMMON) += sm_common.o
obj-$(CONFIG_MTD_NAND_CAFE) += cafe_nand.o

2
drivers/mtd/nand/raw/cs553x_nand.c
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@ -19,7 +19,7 @@
#include <linux/delay.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/rawnand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/nand-ecc-sw-hamming.h>
#include <linux/mtd/partitions.h>
#include <linux/iopoll.h>

2
drivers/mtd/nand/raw/fsl_elbc_nand.c
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@ -22,7 +22,7 @@
#include <linux/mtd/mtd.h>
#include <linux/mtd/rawnand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/nand-ecc-sw-hamming.h>
#include <linux/mtd/partitions.h>
#include <asm/io.h>

2
drivers/mtd/nand/raw/fsl_ifc_nand.c
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@ -15,7 +15,7 @@
#include <linux/mtd/mtd.h>
#include <linux/mtd/rawnand.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/nand-ecc-sw-hamming.h>
#include <linux/fsl_ifc.h>
#include <linux/iopoll.h>

2
drivers/mtd/nand/raw/fsl_upm.c
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@ -11,7 +11,7 @@
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/mtd/rawnand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/nand-ecc-sw-hamming.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/mtd.h>
#include <linux/of_platform.h>

2
drivers/mtd/nand/raw/fsmc_nand.c
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@ -26,7 +26,7 @@
#include <linux/types.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/rawnand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/nand-ecc-sw-hamming.h>
#include <linux/platform_device.h>
#include <linux/of.h>
#include <linux/mtd/partitions.h>

2
drivers/mtd/nand/raw/lpc32xx_mlc.c
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@ -31,7 +31,7 @@
#include <linux/mm.h>
#include <linux/dma-mapping.h>
#include <linux/dmaengine.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/nand-ecc-sw-hamming.h>
#define DRV_NAME "lpc32xx_mlc"

2
drivers/mtd/nand/raw/lpc32xx_slc.c
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@ -23,7 +23,7 @@
#include <linux/mm.h>
#include <linux/dma-mapping.h>
#include <linux/dmaengine.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/nand-ecc-sw-hamming.h>
#include <linux/gpio.h>
#include <linux/of.h>
#include <linux/of_gpio.h>

2
drivers/mtd/nand/raw/mxic_nand.c
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@ -12,8 +12,8 @@
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand-ecc-sw-hamming.h>
#include <linux/mtd/rawnand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/platform_device.h>
#include "internals.h"

2
drivers/mtd/nand/raw/nand_base.c
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@ -35,7 +35,7 @@
#include <linux/types.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/nand-ecc-sw-hamming.h>
#include <linux/mtd/nand-ecc-sw-bch.h>
#include <linux/interrupt.h>
#include <linux/bitops.h>

2
drivers/mtd/nand/raw/ndfc.c
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@ -18,7 +18,7 @@
*/
#include <linux/module.h>
#include <linux/mtd/rawnand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/nand-ecc-sw-hamming.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/ndfc.h>
#include <linux/slab.h>

2
drivers/mtd/nand/raw/pasemi_nand.c
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@ -14,7 +14,7 @@
#include <linux/module.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/rawnand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/nand-ecc-sw-hamming.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>

2
drivers/mtd/nand/raw/s3c2410.c
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@ -30,7 +30,7 @@
#include <linux/mtd/mtd.h>
#include <linux/mtd/rawnand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/nand-ecc-sw-hamming.h>
#include <linux/mtd/partitions.h>
#include <linux/platform_data/mtd-nand-s3c2410.h>

2
drivers/mtd/nand/raw/sharpsl.c
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@ -12,7 +12,7 @@
#include <linux/delay.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/rawnand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/nand-ecc-sw-hamming.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/sharpsl.h>
#include <linux/interrupt.h>

2
drivers/mtd/nand/raw/tmio_nand.c
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@ -35,7 +35,7 @@
#include <linux/ioport.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/rawnand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/nand-ecc-sw-hamming.h>
#include <linux/mtd/partitions.h>
#include <linux/slab.h>

2
drivers/mtd/nand/raw/txx9ndfmc.c
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@ -14,7 +14,7 @@
#include <linux/delay.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/rawnand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/nand-ecc-sw-hamming.h>
#include <linux/mtd/partitions.h>
#include <linux/io.h>
#include <linux/platform_data/txx9/ndfmc.h>

2
drivers/mtd/sm_ftl.c
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@ -13,7 +13,7 @@
#include <linux/sysfs.h>
#include <linux/bitops.h>
#include <linux/slab.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/nand-ecc-sw-hamming.h>
#include "nand/raw/sm_common.h"
#include "sm_ftl.h"

2
drivers/mtd/tests/mtd_nandecctest.c
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@ -8,7 +8,7 @@
#include <linux/string.h>
#include <linux/bitops.h>
#include <linux/slab.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/nand-ecc-sw-hamming.h>
#include "mtd_test.h"

6
include/linux/mtd/nand_ecc.h → include/linux/mtd/nand-ecc-sw-hamming.h
View File

@ -7,8 +7,8 @@
* This file is the header for the ECC algorithm.
*/
#ifndef __MTD_NAND_ECC_H__
#define __MTD_NAND_ECC_H__
#ifndef __MTD_NAND_ECC_SW_HAMMING_H__
#define __MTD_NAND_ECC_SW_HAMMING_H__
struct nand_chip;
@ -36,4 +36,4 @@ int __nand_correct_data(u_char *dat, u_char *read_ecc, u_char *calc_ecc,
int nand_correct_data(struct nand_chip *chip, u_char *dat, u_char *read_ecc,
u_char *calc_ecc);
#endif /* __MTD_NAND_ECC_H__ */
#endif /* __MTD_NAND_ECC_SW_HAMMING_H__ */

2
include/linux/mtd/sharpsl.h
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@ -9,7 +9,7 @@
#define _MTD_SHARPSL_H
#include <linux/mtd/rawnand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/nand-ecc-sw-hamming.h>
#include <linux/mtd/partitions.h>
struct sharpsl_nand_platform_data {