From 8d0665327819c41fce2c8d50f19c967b22eae564 Mon Sep 17 00:00:00 2001 From: Weijie Gao Date: Wed, 27 Jul 2022 16:36:13 +0800 Subject: [PATCH 57/71] mtd: spi-nand: backport from upstream kernel Backport new features from upstream kernel Signed-off-by: Weijie Gao --- drivers/mtd/nand/spi/Kconfig | 1 + drivers/mtd/nand/spi/Makefile | 2 +- drivers/mtd/nand/spi/core.c | 102 ++++++---- drivers/mtd/nand/spi/etron.c | 181 +++++++++++++++++ drivers/mtd/nand/spi/gigadevice.c | 322 ++++++++++++++++++++++++++---- drivers/mtd/nand/spi/macronix.c | 173 +++++++++++++--- drivers/mtd/nand/spi/micron.c | 50 ++--- drivers/mtd/nand/spi/toshiba.c | 66 +++--- drivers/mtd/nand/spi/winbond.c | 164 ++++++++++++--- include/linux/mtd/spinand.h | 87 +++++--- 10 files changed, 923 insertions(+), 225 deletions(-) create mode 100644 drivers/mtd/nand/spi/etron.c --- a/drivers/mtd/nand/spi/Makefile +++ b/drivers/mtd/nand/spi/Makefile @@ -1,4 +1,4 @@ # SPDX-License-Identifier: GPL-2.0 -spinand-objs := core.o gigadevice.o macronix.o micron.o paragon.o toshiba.o winbond.o +spinand-objs := core.o etron.o gigadevice.o macronix.o micron.o paragon.o toshiba.o winbond.o obj-$(CONFIG_MTD_SPI_NAND) += spinand.o --- a/drivers/mtd/nand/spi/core.c +++ b/drivers/mtd/nand/spi/core.c @@ -822,6 +822,7 @@ static const struct nand_ops spinand_ops }; static const struct spinand_manufacturer *spinand_manufacturers[] = { + &etron_spinand_manufacturer, &gigadevice_spinand_manufacturer, ¯onix_spinand_manufacturer, µn_spinand_manufacturer, --- /dev/null +++ b/drivers/mtd/nand/spi/etron.c @@ -0,0 +1,181 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2020 Etron Technology, Inc. + * + */ +#ifndef __UBOOT__ +#include +#include +#include +#endif +#include +#include + +#define SPINAND_MFR_ETRON 0xD5 + +#define STATUS_ECC_LIMIT_BITFLIPS (3 << 4) + +static SPINAND_OP_VARIANTS(read_cache_variants, + SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_OP(true, 0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0)); + +static SPINAND_OP_VARIANTS(write_cache_variants, + SPINAND_PROG_LOAD_X4(true, 0, NULL, 0), + SPINAND_PROG_LOAD(true, 0, NULL, 0)); + +static SPINAND_OP_VARIANTS(update_cache_variants, + SPINAND_PROG_LOAD_X4(false, 0, NULL, 0), + SPINAND_PROG_LOAD(false, 0, NULL, 0)); + +static int etron_ooblayout_ecc(struct mtd_info *mtd, int section, + struct mtd_oob_region *region) +{ + if (section > 3) + return -ERANGE; + + region->offset = (14 * section) + 72; + region->length = 14; + + return 0; +} + +static int etron_ooblayout_free(struct mtd_info *mtd, int section, + struct mtd_oob_region *region) +{ + if (section > 3) + return -ERANGE; + + if (section) { + region->offset = 18 * section; + region->length = 18; + } else { + /* section 0 has one byte reserved for bad block mark */ + region->offset = 2; + region->length = 16; + } + return 0; +} + +static const struct mtd_ooblayout_ops etron_ooblayout = { + .ecc = etron_ooblayout_ecc, + .rfree = etron_ooblayout_free, +}; + +static int etron_ecc_get_status(struct spinand_device *spinand, + u8 status) +{ + struct nand_device *nand = spinand_to_nand(spinand); + + switch (status & STATUS_ECC_MASK) { + case STATUS_ECC_NO_BITFLIPS: + return 0; + + case STATUS_ECC_UNCOR_ERROR: + return -EBADMSG; + + case STATUS_ECC_HAS_BITFLIPS: + return nand->eccreq.strength >> 1; + + case STATUS_ECC_LIMIT_BITFLIPS: + return nand->eccreq.strength; + + default: + break; + } + + return -EINVAL; +} + +static const struct spinand_info etron_spinand_table[] = { + /* EM73C 1Gb 3.3V */ + SPINAND_INFO("EM73C044VCF", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x25), + NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1), + NAND_ECCREQ(4, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + SPINAND_HAS_QE_BIT, + SPINAND_ECCINFO(&etron_ooblayout, etron_ecc_get_status)), + /* EM7xD 2Gb */ + SPINAND_INFO("EM73D044VCR", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x41), + NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 1, 1, 1), + NAND_ECCREQ(4, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + SPINAND_HAS_QE_BIT, + SPINAND_ECCINFO(&etron_ooblayout, etron_ecc_get_status)), + SPINAND_INFO("EM73D044VCO", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x3A), + NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 1, 1, 1), + NAND_ECCREQ(8, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + SPINAND_HAS_QE_BIT, + SPINAND_ECCINFO(&etron_ooblayout, etron_ecc_get_status)), + SPINAND_INFO("EM78D044VCM", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x8E), + NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 1, 1, 1), + NAND_ECCREQ(8, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + SPINAND_HAS_QE_BIT, + SPINAND_ECCINFO(&etron_ooblayout, etron_ecc_get_status)), + /* EM7xE 4Gb */ + SPINAND_INFO("EM73E044VCE", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x3B), + NAND_MEMORG(1, 2048, 128, 64, 4096, 80, 1, 1, 1), + NAND_ECCREQ(8, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + SPINAND_HAS_QE_BIT, + SPINAND_ECCINFO(&etron_ooblayout, etron_ecc_get_status)), + SPINAND_INFO("EM78E044VCD", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x8F), + NAND_MEMORG(1, 2048, 128, 64, 4096, 80, 1, 1, 1), + NAND_ECCREQ(8, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + SPINAND_HAS_QE_BIT, + SPINAND_ECCINFO(&etron_ooblayout, etron_ecc_get_status)), + /* EM7xF044VCA 8Gb */ + SPINAND_INFO("EM73F044VCA", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x15), + NAND_MEMORG(1, 4096, 256, 64, 4096, 80, 1, 1, 1), + NAND_ECCREQ(8, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + SPINAND_HAS_QE_BIT, + SPINAND_ECCINFO(&etron_ooblayout, etron_ecc_get_status)), + SPINAND_INFO("EM78F044VCA", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x8D), + NAND_MEMORG(1, 4096, 256, 64, 4096, 80, 1, 1, 1), + NAND_ECCREQ(8, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + SPINAND_HAS_QE_BIT, + SPINAND_ECCINFO(&etron_ooblayout, etron_ecc_get_status)), +}; + +static const struct spinand_manufacturer_ops etron_spinand_manuf_ops = { +}; + +const struct spinand_manufacturer etron_spinand_manufacturer = { + .id = SPINAND_MFR_ETRON, + .name = "Etron", + .chips = etron_spinand_table, + .nchips = ARRAY_SIZE(etron_spinand_table), + .ops = &etron_spinand_manuf_ops, +}; --- a/drivers/mtd/nand/spi/gigadevice.c +++ b/drivers/mtd/nand/spi/gigadevice.c @@ -43,6 +43,24 @@ static SPINAND_OP_VARIANTS(read_cache_va SPINAND_PAGE_READ_FROM_CACHE_OP_3A(true, 0, 1, NULL, 0), SPINAND_PAGE_READ_FROM_CACHE_OP_3A(false, 0, 0, NULL, 0)); +/* Q5 1Gb */ +static SPINAND_OP_VARIANTS(dummy2_read_cache_variants, + SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 2, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_OP(true, 0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0)); + +/* Q5 2Gb & 4Gb */ +static SPINAND_OP_VARIANTS(dummy4_read_cache_variants, + SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 4, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 2, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_OP(true, 0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0)); + static SPINAND_OP_VARIANTS(write_cache_variants, SPINAND_PROG_LOAD_X4(true, 0, NULL, 0), SPINAND_PROG_LOAD(true, 0, NULL, 0)); @@ -268,7 +286,45 @@ static int gd5fxgq4ufxxg_ecc_get_status( return -EINVAL; } +static int esmt_1_ooblayout_ecc(struct mtd_info *mtd, int section, + struct mtd_oob_region *region) +{ + if (section > 3) + return -ERANGE; + + region->offset = (16 * section) + 8; + region->length = 8; + + return 0; +} + +static int esmt_1_ooblayout_free(struct mtd_info *mtd, int section, + struct mtd_oob_region *region) +{ + if (section > 3) + return -ERANGE; + + region->offset = (16 * section) + 2; + region->length = 6; + + return 0; +} + +static const struct mtd_ooblayout_ops esmt_1_ooblayout = { + .ecc = esmt_1_ooblayout_ecc, + .rfree = esmt_1_ooblayout_free, + }; + static const struct spinand_info gigadevice_spinand_table[] = { + SPINAND_INFO("F50L1G41LB", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x01), + NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1), + NAND_ECCREQ(8, 512), + SPINAND_INFO_OP_VARIANTS(&dummy2_read_cache_variants, + &write_cache_variants, + &update_cache_variants), + 0, + SPINAND_ECCINFO(&esmt_1_ooblayout, NULL)), SPINAND_INFO("GD5F1GQ4xA", SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0xf1), NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1), @@ -349,6 +405,87 @@ static const struct spinand_info gigadev SPINAND_HAS_QE_BIT, SPINAND_ECCINFO(&gd5fxgqx_variant2_ooblayout, gd5fxgq5xexxg_ecc_get_status)), + SPINAND_INFO("GD5F2GQ5UExxG", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x52), + NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 1, 1, 1), + NAND_ECCREQ(4, 512), + SPINAND_INFO_OP_VARIANTS(&dummy4_read_cache_variants, + &write_cache_variants, + &update_cache_variants), + SPINAND_HAS_QE_BIT, + SPINAND_ECCINFO(&gd5fxgqx_variant2_ooblayout, + gd5fxgq5xexxg_ecc_get_status)), + SPINAND_INFO("GD5F4GQ6UExxG", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x55), + NAND_MEMORG(1, 2048, 128, 64, 4096, 80, 1, 1, 1), + NAND_ECCREQ(4, 512), + SPINAND_INFO_OP_VARIANTS(&dummy4_read_cache_variants, + &write_cache_variants, + &update_cache_variants), + SPINAND_HAS_QE_BIT, + SPINAND_ECCINFO(&gd5fxgqx_variant2_ooblayout, + gd5fxgq5xexxg_ecc_get_status)), + SPINAND_INFO("GD5F1GM7UExxG", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x91), + NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1), + NAND_ECCREQ(8, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + SPINAND_HAS_QE_BIT, + SPINAND_ECCINFO(&gd5fxgqx_variant2_ooblayout, + gd5fxgq4uexxg_ecc_get_status)), + SPINAND_INFO("GD5F2GM7UExxG", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x92), + NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 1, 1, 1), + NAND_ECCREQ(8, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + SPINAND_HAS_QE_BIT, + SPINAND_ECCINFO(&gd5fxgqx_variant2_ooblayout, + gd5fxgq4uexxg_ecc_get_status)), + SPINAND_INFO("GD5F4GM8UExxG", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x95), + NAND_MEMORG(1, 2048, 128, 64, 4096, 80, 1, 1, 1), + NAND_ECCREQ(8, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + SPINAND_HAS_QE_BIT, + SPINAND_ECCINFO(&gd5fxgqx_variant2_ooblayout, + gd5fxgq4uexxg_ecc_get_status)), + SPINAND_INFO("GD5F1GQ5UExxH", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x31), + NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1), + NAND_ECCREQ(4, 512), + SPINAND_INFO_OP_VARIANTS(&dummy2_read_cache_variants, + &write_cache_variants, + &update_cache_variants), + SPINAND_HAS_QE_BIT, + SPINAND_ECCINFO(&gd5fxgqx_variant2_ooblayout, + gd5fxgq5xexxg_ecc_get_status)), + SPINAND_INFO("GD5F2GQ5UExxH", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x32), + NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 1, 1, 1), + NAND_ECCREQ(4, 512), + SPINAND_INFO_OP_VARIANTS(&dummy4_read_cache_variants, + &write_cache_variants, + &update_cache_variants), + SPINAND_HAS_QE_BIT, + SPINAND_ECCINFO(&gd5fxgqx_variant2_ooblayout, + gd5fxgq5xexxg_ecc_get_status)), + SPINAND_INFO("GD5F4GQ6UExxH", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x35), + NAND_MEMORG(1, 2048, 64, 64, 4096, 40, 1, 1, 1), + NAND_ECCREQ(4, 512), + SPINAND_INFO_OP_VARIANTS(&dummy4_read_cache_variants, + &write_cache_variants, + &update_cache_variants), + SPINAND_HAS_QE_BIT, + SPINAND_ECCINFO(&gd5fxgqx_variant2_ooblayout, + gd5fxgq5xexxg_ecc_get_status)), + }; static const struct spinand_manufacturer_ops gigadevice_spinand_manuf_ops = { --- a/drivers/mtd/nand/spi/winbond.c +++ b/drivers/mtd/nand/spi/winbond.c @@ -18,6 +18,23 @@ #define WINBOND_CFG_BUF_READ BIT(3) +#define W25N02_N04KV_STATUS_ECC_MASK (3 << 4) +#define W25N02_N04KV_STATUS_ECC_NO_BITFLIPS (0 << 4) +#define W25N02_N04KV_STATUS_ECC_1_4_BITFLIPS (1 << 4) +#define W25N02_N04KV_STATUS_ECC_5_8_BITFLIPS (3 << 4) +#define W25N02_N04KV_STATUS_ECC_UNCOR_ERROR (2 << 4) + +#define W25N01_M02GV_STATUS_ECC_MASK (3 << 4) +#define W25N01_M02GV_STATUS_ECC_NO_BITFLIPS (0 << 4) +#define W25N01_M02GV_STATUS_ECC_1_BITFLIPS (1 << 4) +#define W25N01_M02GV_STATUS_ECC_UNCOR_ERROR (2 << 4) + +#define W25N01KV_STATUS_ECC_MASK (3 << 4) +#define W25N01KV_STATUS_ECC_NO_BITFLIPS (0 << 4) +#define W25N01KV_STATUS_ECC_1_3_BITFLIPS (1 << 4) +#define W25N01KV_STATUS_ECC_4_BITFLIPS (3 << 4) +#define W25N01KV_STATUS_ECC_UNCOR_ERROR (2 << 4) + static SPINAND_OP_VARIANTS(read_cache_variants, SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 2, NULL, 0), SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0), @@ -34,6 +51,35 @@ static SPINAND_OP_VARIANTS(update_cache_ SPINAND_PROG_LOAD_X4(false, 0, NULL, 0), SPINAND_PROG_LOAD(false, 0, NULL, 0)); +static int w25n02kv_n04kv_ooblayout_ecc(struct mtd_info *mtd, int section, + struct mtd_oob_region *region) +{ + if (section > 3) + return -ERANGE; + + region->offset = (16 * section) + 64; + region->length = 16; + + return 0; +} + +static int w25n02kv_n04kv_ooblayout_free(struct mtd_info *mtd, int section, + struct mtd_oob_region *region) +{ + if (section > 3) + return -ERANGE; + + region->offset = (16 * section) + 2; + region->length = 14; + + return 0; +} + +static const struct mtd_ooblayout_ops w25n02kv_n04kv_ooblayout = { + .ecc = w25n02kv_n04kv_ooblayout_ecc, + .rfree = w25n02kv_n04kv_ooblayout_free, +}; + static int w25m02gv_ooblayout_ecc(struct mtd_info *mtd, int section, struct mtd_oob_region *region) { @@ -106,6 +152,58 @@ static const struct mtd_ooblayout_ops w2 .rfree = w25n02kv_ooblayout_free, }; +static int w25n01kv_ecc_get_status(struct spinand_device *spinand, + u8 status) +{ + switch (status & W25N01KV_STATUS_ECC_MASK) { + case W25N01KV_STATUS_ECC_NO_BITFLIPS: + return 0; + + case W25N01KV_STATUS_ECC_1_3_BITFLIPS: + return 3; + + case W25N01KV_STATUS_ECC_4_BITFLIPS: + return 4; + + case W25N01KV_STATUS_ECC_UNCOR_ERROR: + return -EBADMSG; + + default: + break; + } + + return -EINVAL; +} + +static int w25n02kv_n04kv_ecc_get_status(struct spinand_device *spinand, + u8 status) +{ + switch (status & W25N02_N04KV_STATUS_ECC_MASK) { + case W25N02_N04KV_STATUS_ECC_NO_BITFLIPS: + return 0; + + case W25N02_N04KV_STATUS_ECC_1_4_BITFLIPS: + return 3; + + case W25N02_N04KV_STATUS_ECC_5_8_BITFLIPS: + return 4; + + /* W25N02_N04KV_use internal 8bit ECC algorithm. + * But the ECC strength is 4 bit requried. + * Return 3 if the bit bit flip count less than 5. + * Return 4 if the bit bit flip count more than 5 to 8. + */ + + case W25N02_N04KV_STATUS_ECC_UNCOR_ERROR: + return -EBADMSG; + + default: + break; + } + + return -EINVAL; +} + static int w25n02kv_ecc_get_status(struct spinand_device *spinand, u8 status) { @@ -163,6 +261,15 @@ static const struct spinand_info winbond &update_cache_variants), 0, SPINAND_ECCINFO(&w25m02gv_ooblayout, NULL)), + SPINAND_INFO("W25N01KV", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xae, 0x21), + NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1), + NAND_ECCREQ(4, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + 0, + SPINAND_ECCINFO(&w25n02kv_n04kv_ooblayout, w25n01kv_ecc_get_status)), SPINAND_INFO("W25N02KV", SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xaa, 0x22), NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 1, 1, 1), @@ -172,6 +279,16 @@ static const struct spinand_info winbond &update_cache_variants), 0, SPINAND_ECCINFO(&w25n02kv_ooblayout, w25n02kv_ecc_get_status)), + SPINAND_INFO("W25N04KV", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xaa, 0x23), + NAND_MEMORG(1, 2048, 128, 64, 4096, 80, 2, 1, 1), + NAND_ECCREQ(4, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + 0, + SPINAND_ECCINFO(&w25n02kv_n04kv_ooblayout, + w25n02kv_n04kv_ecc_get_status)), }; static int winbond_spinand_init(struct spinand_device *spinand) --- a/include/linux/mtd/spinand.h +++ b/include/linux/mtd/spinand.h @@ -245,6 +245,7 @@ struct spinand_manufacturer { }; /* SPI NAND manufacturers */ +extern const struct spinand_manufacturer etron_spinand_manufacturer; extern const struct spinand_manufacturer gigadevice_spinand_manufacturer; extern const struct spinand_manufacturer macronix_spinand_manufacturer; extern const struct spinand_manufacturer micron_spinand_manufacturer;