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The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Supporting multi-cs in spi-nor would require the *params member of struct spi_nor to be an array. To make the transition smoother introduced spi_nor_get_params() & spi_nor_set_params() APIs to get & s [...] Content analysis details: (0.6 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 SPF_NONE SPF: sender does not publish an SPF Record -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 1.0 FORGED_SPF_HELO No description available. -0.2 DKIMWL_WL_HIGH DKIMwl.org - High trust sender X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org Supporting multi-cs in spi-nor would require the *params member of struct spi_nor to be an array. To make the transition smoother introduced spi_nor_get_params() & spi_nor_set_params() APIs to get & set nor->params, added a new local variable (struct spi_nor_flash_parameter *params) to hold the return value of the spi_nor_get_params() function call and replaced all nor->params references with the "params". While adding multi-cs support in further patches the *params member of the spi_nor structure would be converted to arrays & the "idx" parameter of the APIs would be used as array index i.e., nor->params[idx]. Signed-off-by: Amit Kumar Mahapatra --- drivers/mtd/spi-nor/atmel.c | 17 ++-- drivers/mtd/spi-nor/core.c | 136 ++++++++++++++++++++----------- drivers/mtd/spi-nor/debugfs.c | 4 +- drivers/mtd/spi-nor/gigadevice.c | 4 +- drivers/mtd/spi-nor/issi.c | 11 ++- drivers/mtd/spi-nor/macronix.c | 10 ++- drivers/mtd/spi-nor/micron-st.c | 30 ++++--- drivers/mtd/spi-nor/otp.c | 29 +++++-- drivers/mtd/spi-nor/sfdp.c | 33 ++++---- drivers/mtd/spi-nor/spansion.c | 57 +++++++------ drivers/mtd/spi-nor/sst.c | 7 +- drivers/mtd/spi-nor/swp.c | 25 ++++-- drivers/mtd/spi-nor/winbond.c | 2 +- drivers/mtd/spi-nor/xilinx.c | 18 ++-- include/linux/mtd/spi-nor.h | 10 +++ 15 files changed, 257 insertions(+), 136 deletions(-) diff --git a/drivers/mtd/spi-nor/atmel.c b/drivers/mtd/spi-nor/atmel.c index e13b8d2dd50a..b63cbe18162c 100644 --- a/drivers/mtd/spi-nor/atmel.c +++ b/drivers/mtd/spi-nor/atmel.c @@ -23,10 +23,11 @@ static int at25fs_nor_lock(struct spi_nor *nor, loff_t ofs, uint64_t len) static int at25fs_nor_unlock(struct spi_nor *nor, loff_t ofs, uint64_t len) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); int ret; /* We only support unlocking the whole flash array */ - if (ofs || len != nor->params->size) + if (ofs || len != params->size) return -EINVAL; /* Write 0x00 to the status register to disable write protection */ @@ -50,7 +51,9 @@ static const struct spi_nor_locking_ops at25fs_nor_locking_ops = { static int at25fs_nor_late_init(struct spi_nor *nor) { - nor->params->locking_ops = &at25fs_nor_locking_ops; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); + + params->locking_ops = &at25fs_nor_locking_ops; return 0; } @@ -71,11 +74,12 @@ static const struct spi_nor_fixups at25fs_nor_fixups = { static int atmel_nor_set_global_protection(struct spi_nor *nor, loff_t ofs, uint64_t len, bool is_protect) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); int ret; u8 sr; /* We only support locking the whole flash array */ - if (ofs || len != nor->params->size) + if (ofs || len != params->size) return -EINVAL; ret = spi_nor_read_sr(nor, nor->bouncebuf); @@ -133,9 +137,10 @@ static int atmel_nor_global_unprotect(struct spi_nor *nor, loff_t ofs, static int atmel_nor_is_global_protected(struct spi_nor *nor, loff_t ofs, uint64_t len) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); int ret; - if (ofs >= nor->params->size || (ofs + len) > nor->params->size) + if (ofs >= params->size || (ofs + len) > params->size) return -EINVAL; ret = spi_nor_read_sr(nor, nor->bouncebuf); @@ -153,7 +158,9 @@ static const struct spi_nor_locking_ops atmel_nor_global_protection_ops = { static int atmel_nor_global_protection_late_init(struct spi_nor *nor) { - nor->params->locking_ops = &atmel_nor_global_protection_ops; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); + + params->locking_ops = &atmel_nor_global_protection_ops; return 0; } diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c index 1c443fe568cf..72c80d8b5858 100644 --- a/drivers/mtd/spi-nor/core.c +++ b/drivers/mtd/spi-nor/core.c @@ -448,14 +448,15 @@ int spi_nor_read_id(struct spi_nor *nor, u8 naddr, u8 ndummy, u8 *id, */ int spi_nor_read_sr(struct spi_nor *nor, u8 *sr) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); int ret; if (nor->spimem) { struct spi_mem_op op = SPI_NOR_RDSR_OP(sr); if (nor->reg_proto == SNOR_PROTO_8_8_8_DTR) { - op.addr.nbytes = nor->params->rdsr_addr_nbytes; - op.dummy.nbytes = nor->params->rdsr_dummy; + op.addr.nbytes = params->rdsr_addr_nbytes; + op.dummy.nbytes = params->rdsr_dummy; /* * We don't want to read only one byte in DTR mode. So, * read 2 and then discard the second byte. @@ -688,14 +689,15 @@ static void spi_nor_unlock_rdst(struct spi_nor *nor) static int spi_nor_ready(struct spi_nor *nor) { int ret; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); ret = spi_nor_lock_rdst(nor); if (ret) return 0; /* Flashes might override the standard routine. */ - if (nor->params->ready) - ret = nor->params->ready(nor); + if (params->ready) + ret = params->ready(nor); else ret = spi_nor_sr_ready(nor); @@ -861,6 +863,7 @@ static int spi_nor_write_sr1_and_check(struct spi_nor *nor, u8 sr1) */ static int spi_nor_write_16bit_sr_and_check(struct spi_nor *nor, u8 sr1) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); int ret; u8 *sr_cr = nor->bouncebuf; u8 cr_written; @@ -872,7 +875,7 @@ static int spi_nor_write_16bit_sr_and_check(struct spi_nor *nor, u8 sr1) return ret; } else if (spi_nor_get_protocol_width(nor->read_proto) == 4 && spi_nor_get_protocol_width(nor->write_proto) == 4 && - nor->params->quad_enable) { + params->quad_enable) { /* * If the Status Register 2 Read command (35h) is not * supported, we should at least be sure we don't @@ -1150,17 +1153,21 @@ static u8 spi_nor_convert_3to4_erase(u8 opcode) static bool spi_nor_has_uniform_erase(const struct spi_nor *nor) { - return !!nor->params->erase_map.uniform_erase_type; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); + + return !!params->erase_map.uniform_erase_type; } static void spi_nor_set_4byte_opcodes(struct spi_nor *nor) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); + nor->read_opcode = spi_nor_convert_3to4_read(nor->read_opcode); nor->program_opcode = spi_nor_convert_3to4_program(nor->program_opcode); nor->erase_opcode = spi_nor_convert_3to4_erase(nor->erase_opcode); if (!spi_nor_has_uniform_erase(nor)) { - struct spi_nor_erase_map *map = &nor->params->erase_map; + struct spi_nor_erase_map *map = ¶ms->erase_map; struct spi_nor_erase_type *erase; int i; @@ -1302,6 +1309,7 @@ void spi_nor_unlock_and_unprep(struct spi_nor *nor) /* Internal locking helpers for program and erase operations */ static bool spi_nor_rww_start_pe(struct spi_nor *nor, loff_t start, size_t len) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); struct spi_nor_rww *rww = &nor->rww; unsigned int used_banks = 0; bool started = false; @@ -1313,7 +1321,7 @@ static bool spi_nor_rww_start_pe(struct spi_nor *nor, loff_t start, size_t len) if (rww->ongoing_io || rww->ongoing_rd || rww->ongoing_pe) goto busy; - spi_nor_offset_to_banks(nor->params->bank_size, start, len, &first, &last); + spi_nor_offset_to_banks(params->bank_size, start, len, &first, &last); for (bank = first; bank <= last; bank++) { if (rww->used_banks & BIT(bank)) goto busy; @@ -1332,13 +1340,14 @@ static bool spi_nor_rww_start_pe(struct spi_nor *nor, loff_t start, size_t len) static void spi_nor_rww_end_pe(struct spi_nor *nor, loff_t start, size_t len) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); struct spi_nor_rww *rww = &nor->rww; u8 first, last; int bank; mutex_lock(&nor->lock); - spi_nor_offset_to_banks(nor->params->bank_size, start, len, &first, &last); + spi_nor_offset_to_banks(params->bank_size, start, len, &first, &last); for (bank = first; bank <= last; bank++) rww->used_banks &= ~BIT(bank); @@ -1379,6 +1388,7 @@ static void spi_nor_unlock_and_unprep_pe(struct spi_nor *nor, loff_t start, size /* Internal locking helpers for read operations */ static bool spi_nor_rww_start_rd(struct spi_nor *nor, loff_t start, size_t len) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); struct spi_nor_rww *rww = &nor->rww; unsigned int used_banks = 0; bool started = false; @@ -1390,7 +1400,7 @@ static bool spi_nor_rww_start_rd(struct spi_nor *nor, loff_t start, size_t len) if (rww->ongoing_io || rww->ongoing_rd) goto busy; - spi_nor_offset_to_banks(nor->params->bank_size, start, len, &first, &last); + spi_nor_offset_to_banks(params->bank_size, start, len, &first, &last); for (bank = first; bank <= last; bank++) { if (rww->used_banks & BIT(bank)) goto busy; @@ -1410,13 +1420,14 @@ static bool spi_nor_rww_start_rd(struct spi_nor *nor, loff_t start, size_t len) static void spi_nor_rww_end_rd(struct spi_nor *nor, loff_t start, size_t len) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); struct spi_nor_rww *rww = &nor->rww; u8 first, last; int bank; mutex_lock(&nor->lock); - spi_nor_offset_to_banks(nor->params->bank_size, start, len, &first, &last); + spi_nor_offset_to_banks(params->bank_size, start, len, &first, &last); for (bank = first; bank <= last; bank++) nor->rww.used_banks &= ~BIT(bank); @@ -1457,10 +1468,12 @@ static void spi_nor_unlock_and_unprep_rd(struct spi_nor *nor, loff_t start, size static u32 spi_nor_convert_addr(struct spi_nor *nor, loff_t addr) { - if (!nor->params->convert_addr) + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); + + if (!params->convert_addr) return addr; - return nor->params->convert_addr(nor, addr); + return params->convert_addr(nor, addr); } /* @@ -1680,7 +1693,8 @@ static int spi_nor_init_erase_cmd_list(struct spi_nor *nor, struct list_head *erase_list, u64 addr, u32 len) { - const struct spi_nor_erase_map *map = &nor->params->erase_map; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); + const struct spi_nor_erase_map *map = ¶ms->erase_map; const struct spi_nor_erase_type *erase, *prev_erase = NULL; struct spi_nor_erase_region *region; struct spi_nor_erase_command *cmd = NULL; @@ -2124,9 +2138,10 @@ static int spi_nor_write(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf) { struct spi_nor *nor = mtd_to_spi_nor(mtd); + struct spi_nor_flash_parameter *params; size_t page_offset, page_remain, i; ssize_t ret; - u32 page_size = nor->params->page_size; + u32 page_size; dev_dbg(nor->dev, "to 0x%08x, len %zd\n", (u32)to, len); @@ -2134,6 +2149,9 @@ static int spi_nor_write(struct mtd_info *mtd, loff_t to, size_t len, if (ret) return ret; + params = spi_nor_get_params(nor, 0); + page_size = params->page_size; + for (i = 0; i < len; ) { ssize_t written; loff_t addr = to + i; @@ -2289,6 +2307,8 @@ int spi_nor_hwcaps_pp2cmd(u32 hwcaps) static int spi_nor_spimem_check_op(struct spi_nor *nor, struct spi_mem_op *op) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); + /* * First test with 4 address bytes. The opcode itself might * be a 3B addressing opcode but we don't care, because @@ -2297,7 +2317,7 @@ static int spi_nor_spimem_check_op(struct spi_nor *nor, */ op->addr.nbytes = 4; if (!spi_mem_supports_op(nor->spimem, op)) { - if (nor->params->size > SZ_16M) + if (params->size > SZ_16M) return -EOPNOTSUPP; /* If flash size <= 16MB, 3 address bytes are sufficient */ @@ -2361,7 +2381,7 @@ static int spi_nor_spimem_check_pp(struct spi_nor *nor, static void spi_nor_spimem_adjust_hwcaps(struct spi_nor *nor, u32 *hwcaps) { - struct spi_nor_flash_parameter *params = nor->params; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); unsigned int cap; /* X-X-X modes are not supported yet, mask them all. */ @@ -2462,6 +2482,7 @@ static int spi_nor_select_read(struct spi_nor *nor, u32 shared_hwcaps) { int cmd, best_match = fls(shared_hwcaps & SNOR_HWCAPS_READ_MASK) - 1; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); const struct spi_nor_read_command *read; if (best_match < 0) @@ -2471,7 +2492,7 @@ static int spi_nor_select_read(struct spi_nor *nor, if (cmd < 0) return -EINVAL; - read = &nor->params->reads[cmd]; + read = ¶ms->reads[cmd]; nor->read_opcode = read->opcode; nor->read_proto = read->proto; @@ -2492,6 +2513,7 @@ static int spi_nor_select_read(struct spi_nor *nor, static int spi_nor_select_pp(struct spi_nor *nor, u32 shared_hwcaps) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); int cmd, best_match = fls(shared_hwcaps & SNOR_HWCAPS_PP_MASK) - 1; const struct spi_nor_pp_command *pp; @@ -2502,7 +2524,7 @@ static int spi_nor_select_pp(struct spi_nor *nor, if (cmd < 0) return -EINVAL; - pp = &nor->params->page_programs[cmd]; + pp = ¶ms->page_programs[cmd]; nor->program_opcode = pp->opcode; nor->write_proto = pp->proto; return 0; @@ -2568,7 +2590,8 @@ spi_nor_select_uniform_erase(struct spi_nor_erase_map *map) static int spi_nor_select_erase(struct spi_nor *nor) { - struct spi_nor_erase_map *map = &nor->params->erase_map; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); + struct spi_nor_erase_map *map = ¶ms->erase_map; const struct spi_nor_erase_type *erase = NULL; struct mtd_info *mtd = &nor->mtd; int i; @@ -2611,7 +2634,7 @@ static int spi_nor_select_erase(struct spi_nor *nor) static int spi_nor_default_setup(struct spi_nor *nor, const struct spi_nor_hwcaps *hwcaps) { - struct spi_nor_flash_parameter *params = nor->params; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); u32 ignored_mask, shared_mask; int err; @@ -2671,8 +2694,10 @@ static int spi_nor_default_setup(struct spi_nor *nor, static int spi_nor_set_addr_nbytes(struct spi_nor *nor) { - if (nor->params->addr_nbytes) { - nor->addr_nbytes = nor->params->addr_nbytes; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); + + if (params->addr_nbytes) { + nor->addr_nbytes = params->addr_nbytes; } else if (nor->read_proto == SNOR_PROTO_8_8_8_DTR) { /* * In 8D-8D-8D mode, one byte takes half a cycle to transfer. So @@ -2693,7 +2718,7 @@ static int spi_nor_set_addr_nbytes(struct spi_nor *nor) nor->addr_nbytes = 3; } - if (nor->addr_nbytes == 3 && nor->params->size > 0x1000000) { + if (nor->addr_nbytes == 3 && params->size > 0x1000000) { /* enable 4-byte addressing if the device exceeds 16MiB */ nor->addr_nbytes = 4; } @@ -2715,10 +2740,11 @@ static int spi_nor_set_addr_nbytes(struct spi_nor *nor) static int spi_nor_setup(struct spi_nor *nor, const struct spi_nor_hwcaps *hwcaps) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); int ret; - if (nor->params->setup) - ret = nor->params->setup(nor, hwcaps); + if (params->setup) + ret = params->setup(nor, hwcaps); else ret = spi_nor_default_setup(nor, hwcaps); if (ret) @@ -2753,7 +2779,7 @@ static void spi_nor_manufacturer_init_params(struct spi_nor *nor) */ static void spi_nor_no_sfdp_init_params(struct spi_nor *nor) { - struct spi_nor_flash_parameter *params = nor->params; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); struct spi_nor_erase_map *map = ¶ms->erase_map; const struct flash_info *info = nor->info; const u8 no_sfdp_flags = info->no_sfdp_flags; @@ -2823,6 +2849,7 @@ static void spi_nor_no_sfdp_init_params(struct spi_nor *nor) */ static void spi_nor_init_flags(struct spi_nor *nor) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); struct device_node *np = spi_nor_get_flash_node(nor); const u16 flags = nor->info->flags; @@ -2853,7 +2880,7 @@ static void spi_nor_init_flags(struct spi_nor *nor) if (flags & NO_CHIP_ERASE) nor->flags |= SNOR_F_NO_OP_CHIP_ERASE; - if (flags & SPI_NOR_RWW && nor->params->n_banks > 1 && + if (flags & SPI_NOR_RWW && params->n_banks > 1 && !nor->controller_ops) nor->flags |= SNOR_F_RWW; } @@ -2887,7 +2914,7 @@ static void spi_nor_init_fixup_flags(struct spi_nor *nor) */ static int spi_nor_late_init_params(struct spi_nor *nor) { - struct spi_nor_flash_parameter *params = nor->params; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); int ret; if (nor->manufacturer && nor->manufacturer->fixups && @@ -2914,7 +2941,7 @@ static int spi_nor_late_init_params(struct spi_nor *nor) * NOR protection support. When locking_ops are not provided, we pick * the default ones. */ - if (nor->flags & SNOR_F_HAS_LOCK && !nor->params->locking_ops) + if (nor->flags & SNOR_F_HAS_LOCK && !params->locking_ops) spi_nor_init_default_locking_ops(nor); if (params->n_banks > 1) @@ -2933,12 +2960,13 @@ static int spi_nor_late_init_params(struct spi_nor *nor) */ static void spi_nor_sfdp_init_params_deprecated(struct spi_nor *nor) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); struct spi_nor_flash_parameter sfdp_params; - memcpy(&sfdp_params, nor->params, sizeof(sfdp_params)); + memcpy(&sfdp_params, params, sizeof(sfdp_params)); if (spi_nor_parse_sfdp(nor)) { - memcpy(nor->params, &sfdp_params, sizeof(*nor->params)); + memcpy(params, &sfdp_params, sizeof(*params)); nor->flags &= ~SNOR_F_4B_OPCODES; } } @@ -2973,7 +3001,7 @@ static void spi_nor_init_params_deprecated(struct spi_nor *nor) */ static void spi_nor_init_default_params(struct spi_nor *nor) { - struct spi_nor_flash_parameter *params = nor->params; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); const struct flash_info *info = nor->info; struct device_node *np = spi_nor_get_flash_node(nor); @@ -3060,12 +3088,15 @@ static void spi_nor_init_default_params(struct spi_nor *nor) */ static int spi_nor_init_params(struct spi_nor *nor) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); int ret; - nor->params = devm_kzalloc(nor->dev, sizeof(*nor->params), GFP_KERNEL); - if (!nor->params) + params = devm_kzalloc(nor->dev, sizeof(*params), GFP_KERNEL); + if (!params) return -ENOMEM; + spi_nor_set_params(nor, 0, params); + spi_nor_init_default_params(nor); if (spi_nor_needs_sfdp(nor)) { @@ -3091,9 +3122,10 @@ static int spi_nor_init_params(struct spi_nor *nor) */ static int spi_nor_set_octal_dtr(struct spi_nor *nor, bool enable) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); int ret; - if (!nor->params->set_octal_dtr) + if (!params->set_octal_dtr) return 0; if (!(nor->read_proto == SNOR_PROTO_8_8_8_DTR && @@ -3103,7 +3135,7 @@ static int spi_nor_set_octal_dtr(struct spi_nor *nor, bool enable) if (!(nor->flags & SNOR_F_IO_MODE_EN_VOLATILE)) return 0; - ret = nor->params->set_octal_dtr(nor, enable); + ret = params->set_octal_dtr(nor, enable); if (ret) return ret; @@ -3123,14 +3155,16 @@ static int spi_nor_set_octal_dtr(struct spi_nor *nor, bool enable) */ static int spi_nor_quad_enable(struct spi_nor *nor) { - if (!nor->params->quad_enable) + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); + + if (!params->quad_enable) return 0; if (!(spi_nor_get_protocol_width(nor->read_proto) == 4 || spi_nor_get_protocol_width(nor->write_proto) == 4)) return 0; - return nor->params->quad_enable(nor); + return params->quad_enable(nor); } /** @@ -3142,7 +3176,7 @@ static int spi_nor_quad_enable(struct spi_nor *nor) */ int spi_nor_set_4byte_addr_mode(struct spi_nor *nor, bool enable) { - struct spi_nor_flash_parameter *params = nor->params; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); int ret; ret = params->set_4byte_addr_mode(nor, enable); @@ -3395,6 +3429,7 @@ static const struct flash_info *spi_nor_get_flash_info(struct spi_nor *nor, static void spi_nor_set_mtd_info(struct spi_nor *nor) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); struct mtd_info *mtd = &nor->mtd; struct device *dev = nor->dev; @@ -3413,9 +3448,9 @@ static void spi_nor_set_mtd_info(struct spi_nor *nor) mtd->flags |= MTD_NO_ERASE; else mtd->_erase = spi_nor_erase; - mtd->writesize = nor->params->writesize; - mtd->writebufsize = nor->params->page_size; - mtd->size = nor->params->size; + mtd->writesize = params->writesize; + mtd->writebufsize = params->page_size; + mtd->size = params->size; mtd->_read = spi_nor_read; /* Might be already set by some SST flashes. */ if (!mtd->_write) @@ -3469,7 +3504,7 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, * We need the bounce buffer early to read/write registers when going * through the spi-mem layer (buffers have to be DMA-able). * For spi-mem drivers, we'll reallocate a new buffer if - * nor->params->page_size turns out to be greater than PAGE_SIZE (which + * params->page_size turns out to be greater than PAGE_SIZE (which * shouldn't happen before long since NOR pages are usually less * than 1KB) after spi_nor_scan() returns. */ @@ -3543,13 +3578,14 @@ EXPORT_SYMBOL_GPL(spi_nor_scan); static int spi_nor_create_read_dirmap(struct spi_nor *nor) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); struct spi_mem_dirmap_info info = { .op_tmpl = SPI_MEM_OP(SPI_MEM_OP_CMD(nor->read_opcode, 0), SPI_MEM_OP_ADDR(nor->addr_nbytes, 0, 0), SPI_MEM_OP_DUMMY(nor->read_dummy, 0), SPI_MEM_OP_DATA_IN(0, NULL, 0)), .offset = 0, - .length = nor->params->size, + .length = params->size, }; struct spi_mem_op *op = &info.op_tmpl; @@ -3574,13 +3610,14 @@ static int spi_nor_create_read_dirmap(struct spi_nor *nor) static int spi_nor_create_write_dirmap(struct spi_nor *nor) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); struct spi_mem_dirmap_info info = { .op_tmpl = SPI_MEM_OP(SPI_MEM_OP_CMD(nor->program_opcode, 0), SPI_MEM_OP_ADDR(nor->addr_nbytes, 0, 0), SPI_MEM_OP_NO_DUMMY, SPI_MEM_OP_DATA_OUT(0, NULL, 0)), .offset = 0, - .length = nor->params->size, + .length = params->size, }; struct spi_mem_op *op = &info.op_tmpl; @@ -3603,6 +3640,7 @@ static int spi_nor_create_write_dirmap(struct spi_nor *nor) static int spi_nor_probe(struct spi_mem *spimem) { + struct spi_nor_flash_parameter *params; struct spi_device *spi = spimem->spi; struct flash_platform_data *data = dev_get_platdata(&spi->dev); struct spi_nor *nor; @@ -3649,13 +3687,15 @@ static int spi_nor_probe(struct spi_mem *spimem) spi_nor_debugfs_register(nor); + params = spi_nor_get_params(nor, 0); + /* * None of the existing parts have > 512B pages, but let's play safe * and add this logic so that if anyone ever adds support for such * a NOR we don't end up with buffer overflows. */ - if (nor->params->page_size > PAGE_SIZE) { - nor->bouncebuf_size = nor->params->page_size; + if (params->page_size > PAGE_SIZE) { + nor->bouncebuf_size = params->page_size; devm_kfree(nor->dev, nor->bouncebuf); nor->bouncebuf = devm_kmalloc(nor->dev, nor->bouncebuf_size, diff --git a/drivers/mtd/spi-nor/debugfs.c b/drivers/mtd/spi-nor/debugfs.c index 6e163cb5b478..72a901b88ea9 100644 --- a/drivers/mtd/spi-nor/debugfs.c +++ b/drivers/mtd/spi-nor/debugfs.c @@ -76,7 +76,7 @@ static void spi_nor_print_flags(struct seq_file *s, unsigned long flags, static int spi_nor_params_show(struct seq_file *s, void *data) { struct spi_nor *nor = s->private; - struct spi_nor_flash_parameter *params = nor->params; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); struct spi_nor_erase_map *erase_map = ¶ms->erase_map; struct spi_nor_erase_region *region; const struct flash_info *info = nor->info; @@ -184,7 +184,7 @@ static void spi_nor_print_pp_cmd(struct seq_file *s, static int spi_nor_capabilities_show(struct seq_file *s, void *data) { struct spi_nor *nor = s->private; - struct spi_nor_flash_parameter *params = nor->params; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); u32 hwcaps = params->hwcaps.mask; int i, cmd; diff --git a/drivers/mtd/spi-nor/gigadevice.c b/drivers/mtd/spi-nor/gigadevice.c index ef1edd0add70..338ce989df22 100644 --- a/drivers/mtd/spi-nor/gigadevice.c +++ b/drivers/mtd/spi-nor/gigadevice.c @@ -13,6 +13,8 @@ gd25q256_post_bfpt(struct spi_nor *nor, const struct sfdp_parameter_header *bfpt_header, const struct sfdp_bfpt *bfpt) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); + /* * GD25Q256C supports the first version of JESD216 which does not define * the Quad Enable methods. Overwrite the default Quad Enable method. @@ -24,7 +26,7 @@ gd25q256_post_bfpt(struct spi_nor *nor, */ if (bfpt_header->major == SFDP_JESD216_MAJOR && bfpt_header->minor == SFDP_JESD216_MINOR) - nor->params->quad_enable = spi_nor_sr1_bit6_quad_enable; + params->quad_enable = spi_nor_sr1_bit6_quad_enable; return 0; } diff --git a/drivers/mtd/spi-nor/issi.c b/drivers/mtd/spi-nor/issi.c index 18d9a00aa22e..ea148a3a5e1f 100644 --- a/drivers/mtd/spi-nor/issi.c +++ b/drivers/mtd/spi-nor/issi.c @@ -13,6 +13,8 @@ is25lp256_post_bfpt_fixups(struct spi_nor *nor, const struct sfdp_parameter_header *bfpt_header, const struct sfdp_bfpt *bfpt) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); + /* * IS25LP256 supports 4B opcodes, but the BFPT advertises * BFPT_DWORD1_ADDRESS_BYTES_3_ONLY. @@ -20,7 +22,7 @@ is25lp256_post_bfpt_fixups(struct spi_nor *nor, */ if ((bfpt->dwords[SFDP_DWORD(1)] & BFPT_DWORD1_ADDRESS_BYTES_MASK) == BFPT_DWORD1_ADDRESS_BYTES_3_ONLY) - nor->params->addr_nbytes = 4; + params->addr_nbytes = 4; return 0; } @@ -31,7 +33,8 @@ static const struct spi_nor_fixups is25lp256_fixups = { static int pm25lv_nor_late_init(struct spi_nor *nor) { - struct spi_nor_erase_map *map = &nor->params->erase_map; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); + struct spi_nor_erase_map *map = ¶ms->erase_map; int i; /* The PM25LV series has a different 4k sector erase opcode */ @@ -131,7 +134,9 @@ static const struct flash_info issi_nor_parts[] = { static void issi_nor_default_init(struct spi_nor *nor) { - nor->params->quad_enable = spi_nor_sr1_bit6_quad_enable; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); + + params->quad_enable = spi_nor_sr1_bit6_quad_enable; } static const struct spi_nor_fixups issi_fixups = { diff --git a/drivers/mtd/spi-nor/macronix.c b/drivers/mtd/spi-nor/macronix.c index ea6be95e75a5..be1f273e3ce2 100644 --- a/drivers/mtd/spi-nor/macronix.c +++ b/drivers/mtd/spi-nor/macronix.c @@ -187,13 +187,17 @@ static const struct flash_info macronix_nor_parts[] = { static void macronix_nor_default_init(struct spi_nor *nor) { - nor->params->quad_enable = spi_nor_sr1_bit6_quad_enable; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); + + params->quad_enable = spi_nor_sr1_bit6_quad_enable; } static int macronix_nor_late_init(struct spi_nor *nor) { - if (!nor->params->set_4byte_addr_mode) - nor->params->set_4byte_addr_mode = spi_nor_set_4byte_addr_mode_en4b_ex4b; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); + + if (!params->set_4byte_addr_mode) + params->set_4byte_addr_mode = spi_nor_set_4byte_addr_mode_en4b_ex4b; return 0; } diff --git a/drivers/mtd/spi-nor/micron-st.c b/drivers/mtd/spi-nor/micron-st.c index 8920547c12bf..813a5b1a269b 100644 --- a/drivers/mtd/spi-nor/micron-st.c +++ b/drivers/mtd/spi-nor/micron-st.c @@ -49,10 +49,11 @@ static int micron_st_nor_octal_dtr_en(struct spi_nor *nor) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); struct spi_mem_op op; u8 *buf = nor->bouncebuf; int ret; - u8 addr_mode_nbytes = nor->params->addr_mode_nbytes; + u8 addr_mode_nbytes = params->addr_mode_nbytes; /* Use 20 dummy cycles for memory array reads. */ *buf = 20; @@ -128,27 +129,31 @@ static int micron_st_nor_set_octal_dtr(struct spi_nor *nor, bool enable) static void mt35xu512aba_default_init(struct spi_nor *nor) { - nor->params->set_octal_dtr = micron_st_nor_set_octal_dtr; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); + + params->set_octal_dtr = micron_st_nor_set_octal_dtr; } static int mt35xu512aba_post_sfdp_fixup(struct spi_nor *nor) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); + /* Set the Fast Read settings. */ - nor->params->hwcaps.mask |= SNOR_HWCAPS_READ_8_8_8_DTR; - spi_nor_set_read_settings(&nor->params->reads[SNOR_CMD_READ_8_8_8_DTR], + params->hwcaps.mask |= SNOR_HWCAPS_READ_8_8_8_DTR; + spi_nor_set_read_settings(¶ms->reads[SNOR_CMD_READ_8_8_8_DTR], 0, 20, SPINOR_OP_MT_DTR_RD, SNOR_PROTO_8_8_8_DTR); nor->cmd_ext_type = SPI_NOR_EXT_REPEAT; - nor->params->rdsr_dummy = 8; - nor->params->rdsr_addr_nbytes = 0; + params->rdsr_dummy = 8; + params->rdsr_addr_nbytes = 0; /* * The BFPT quad enable field is set to a reserved value so the quad * enable function is ignored by spi_nor_parse_bfpt(). Make sure we * disable it. */ - nor->params->quad_enable = NULL; + params->quad_enable = NULL; return 0; } @@ -457,14 +462,15 @@ static const struct flash_info st_nor_parts[] = { */ static int micron_st_nor_read_fsr(struct spi_nor *nor, u8 *fsr) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); int ret; if (nor->spimem) { struct spi_mem_op op = MICRON_ST_RDFSR_OP(fsr); if (nor->reg_proto == SNOR_PROTO_8_8_8_DTR) { - op.addr.nbytes = nor->params->rdsr_addr_nbytes; - op.dummy.nbytes = nor->params->rdsr_dummy; + op.addr.nbytes = params->rdsr_addr_nbytes; + op.dummy.nbytes = params->rdsr_dummy; /* * We don't want to read only one byte in DTR mode. So, * read 2 and then discard the second byte. @@ -567,14 +573,16 @@ static int micron_st_nor_ready(struct spi_nor *nor) static void micron_st_nor_default_init(struct spi_nor *nor) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); + nor->flags |= SNOR_F_HAS_LOCK; nor->flags &= ~SNOR_F_HAS_16BIT_SR; - nor->params->quad_enable = NULL; + params->quad_enable = NULL; } static int micron_st_nor_late_init(struct spi_nor *nor) { - struct spi_nor_flash_parameter *params = nor->params; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); if (nor->info->mfr_flags & USE_FSR) params->ready = micron_st_nor_ready; diff --git a/drivers/mtd/spi-nor/otp.c b/drivers/mtd/spi-nor/otp.c index 23fe75ddc9cf..16a9a0375aeb 100644 --- a/drivers/mtd/spi-nor/otp.c +++ b/drivers/mtd/spi-nor/otp.c @@ -19,7 +19,9 @@ */ static inline unsigned int spi_nor_otp_region_len(struct spi_nor *nor) { - return nor->params->otp.org->len; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); + + return params->otp.org->len; } /** @@ -30,7 +32,9 @@ static inline unsigned int spi_nor_otp_region_len(struct spi_nor *nor) */ static inline unsigned int spi_nor_otp_n_regions(struct spi_nor *nor) { - return nor->params->otp.org->n_regions; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); + + return params->otp.org->n_regions; } /** @@ -241,7 +245,8 @@ int spi_nor_otp_is_locked_sr2(struct spi_nor *nor, unsigned int region) static loff_t spi_nor_otp_region_start(const struct spi_nor *nor, unsigned int region) { - const struct spi_nor_otp_organization *org = nor->params->otp.org; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); + const struct spi_nor_otp_organization *org = params->otp.org; return org->base + region * org->offset; } @@ -266,7 +271,8 @@ static int spi_nor_mtd_otp_info(struct mtd_info *mtd, size_t len, size_t *retlen, struct otp_info *buf) { struct spi_nor *nor = mtd_to_spi_nor(mtd); - const struct spi_nor_otp_ops *ops = nor->params->otp.ops; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); + const struct spi_nor_otp_ops *ops = params->otp.ops; unsigned int n_regions = spi_nor_otp_n_regions(nor); unsigned int i; int ret, locked; @@ -303,7 +309,8 @@ static int spi_nor_mtd_otp_info(struct mtd_info *mtd, size_t len, static int spi_nor_mtd_otp_range_is_locked(struct spi_nor *nor, loff_t ofs, size_t len) { - const struct spi_nor_otp_ops *ops = nor->params->otp.ops; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); + const struct spi_nor_otp_ops *ops = params->otp.ops; unsigned int region; int locked; @@ -328,7 +335,8 @@ static int spi_nor_mtd_otp_read_write(struct mtd_info *mtd, loff_t ofs, const u8 *buf, bool is_write) { struct spi_nor *nor = mtd_to_spi_nor(mtd); - const struct spi_nor_otp_ops *ops = nor->params->otp.ops; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); + const struct spi_nor_otp_ops *ops = params->otp.ops; const size_t rlen = spi_nor_otp_region_len(nor); loff_t rstart, rofs; unsigned int region; @@ -414,7 +422,8 @@ static int spi_nor_mtd_otp_write(struct mtd_info *mtd, loff_t to, size_t len, static int spi_nor_mtd_otp_erase(struct mtd_info *mtd, loff_t from, size_t len) { struct spi_nor *nor = mtd_to_spi_nor(mtd); - const struct spi_nor_otp_ops *ops = nor->params->otp.ops; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); + const struct spi_nor_otp_ops *ops = params->otp.ops; const size_t rlen = spi_nor_otp_region_len(nor); unsigned int region; loff_t rstart; @@ -467,7 +476,8 @@ static int spi_nor_mtd_otp_erase(struct mtd_info *mtd, loff_t from, size_t len) static int spi_nor_mtd_otp_lock(struct mtd_info *mtd, loff_t from, size_t len) { struct spi_nor *nor = mtd_to_spi_nor(mtd); - const struct spi_nor_otp_ops *ops = nor->params->otp.ops; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); + const struct spi_nor_otp_ops *ops = params->otp.ops; const size_t rlen = spi_nor_otp_region_len(nor); unsigned int region; int ret; @@ -501,9 +511,10 @@ static int spi_nor_mtd_otp_lock(struct mtd_info *mtd, loff_t from, size_t len) void spi_nor_set_mtd_otp_ops(struct spi_nor *nor) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); struct mtd_info *mtd = &nor->mtd; - if (!nor->params->otp.ops) + if (!params->otp.ops) return; if (WARN_ON(!is_power_of_2(spi_nor_otp_region_len(nor)))) diff --git a/drivers/mtd/spi-nor/sfdp.c b/drivers/mtd/spi-nor/sfdp.c index b3b11dfed789..f7137c100569 100644 --- a/drivers/mtd/spi-nor/sfdp.c +++ b/drivers/mtd/spi-nor/sfdp.c @@ -436,7 +436,7 @@ static void spi_nor_regions_sort_erase_types(struct spi_nor_erase_map *map) static int spi_nor_parse_bfpt(struct spi_nor *nor, const struct sfdp_parameter_header *bfpt_header) { - struct spi_nor_flash_parameter *params = nor->params; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); struct spi_nor_erase_map *map = ¶ms->erase_map; struct spi_nor_erase_type *erase_type = map->erase_type; struct sfdp_bfpt bfpt; @@ -661,6 +661,8 @@ static int spi_nor_parse_bfpt(struct spi_nor *nor, */ static u8 spi_nor_smpt_addr_nbytes(const struct spi_nor *nor, const u32 settings) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); + switch (settings & SMPT_CMD_ADDRESS_LEN_MASK) { case SMPT_CMD_ADDRESS_LEN_0: return 0; @@ -670,7 +672,7 @@ static u8 spi_nor_smpt_addr_nbytes(const struct spi_nor *nor, const u32 settings return 4; case SMPT_CMD_ADDRESS_LEN_USE_CURRENT: default: - return nor->params->addr_mode_nbytes; + return params->addr_mode_nbytes; } } @@ -822,7 +824,8 @@ spi_nor_region_check_overlay(struct spi_nor_erase_region *region, static int spi_nor_init_non_uniform_erase_map(struct spi_nor *nor, const u32 *smpt) { - struct spi_nor_erase_map *map = &nor->params->erase_map; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); + struct spi_nor_erase_map *map = ¶ms->erase_map; struct spi_nor_erase_type *erase = map->erase_type; struct spi_nor_erase_region *region; u64 offset; @@ -910,6 +913,7 @@ static int spi_nor_init_non_uniform_erase_map(struct spi_nor *nor, static int spi_nor_parse_smpt(struct spi_nor *nor, const struct sfdp_parameter_header *smpt_header) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); const u32 *sector_map; u32 *smpt; size_t len; @@ -940,7 +944,7 @@ static int spi_nor_parse_smpt(struct spi_nor *nor, if (ret) goto out; - spi_nor_regions_sort_erase_types(&nor->params->erase_map); + spi_nor_regions_sort_erase_types(¶ms->erase_map); /* fall through */ out: kfree(smpt); @@ -980,7 +984,7 @@ static int spi_nor_parse_4bait(struct spi_nor *nor, { 0u /* not used */, BIT(11) }, { 0u /* not used */, BIT(12) }, }; - struct spi_nor_flash_parameter *params = nor->params; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); struct spi_nor_pp_command *params_pp = params->page_programs; struct spi_nor_erase_map *map = ¶ms->erase_map; struct spi_nor_erase_type *erase_type = map->erase_type; @@ -1143,6 +1147,7 @@ static int spi_nor_parse_4bait(struct spi_nor *nor, static int spi_nor_parse_profile1(struct spi_nor *nor, const struct sfdp_parameter_header *profile1_header) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); u32 *dwords, addr; size_t len; int ret; @@ -1165,14 +1170,14 @@ static int spi_nor_parse_profile1(struct spi_nor *nor, /* Set the Read Status Register dummy cycles and dummy address bytes. */ if (dwords[SFDP_DWORD(1)] & PROFILE1_DWORD1_RDSR_DUMMY) - nor->params->rdsr_dummy = 8; + params->rdsr_dummy = 8; else - nor->params->rdsr_dummy = 4; + params->rdsr_dummy = 4; if (dwords[SFDP_DWORD(1)] & PROFILE1_DWORD1_RDSR_ADDR_BYTES) - nor->params->rdsr_addr_nbytes = 4; + params->rdsr_addr_nbytes = 4; else - nor->params->rdsr_addr_nbytes = 0; + params->rdsr_addr_nbytes = 0; /* * We don't know what speed the controller is running at. Find the @@ -1201,8 +1206,8 @@ static int spi_nor_parse_profile1(struct spi_nor *nor, dummy = round_up(dummy, 2); /* Update the fast read settings. */ - nor->params->hwcaps.mask |= SNOR_HWCAPS_READ_8_8_8_DTR; - spi_nor_set_read_settings(&nor->params->reads[SNOR_CMD_READ_8_8_8_DTR], + params->hwcaps.mask |= SNOR_HWCAPS_READ_8_8_8_DTR; + spi_nor_set_read_settings(¶ms->reads[SNOR_CMD_READ_8_8_8_DTR], 0, dummy, opcode, SNOR_PROTO_8_8_8_DTR); @@ -1210,7 +1215,7 @@ static int spi_nor_parse_profile1(struct spi_nor *nor, * Page Program is "Required Command" in the xSPI Profile 1.0. Update * the params->hwcaps.mask here. */ - nor->params->hwcaps.mask |= SNOR_HWCAPS_PP_8_8_8_DTR; + params->hwcaps.mask |= SNOR_HWCAPS_PP_8_8_8_DTR; out: kfree(dwords); @@ -1231,7 +1236,7 @@ static int spi_nor_parse_profile1(struct spi_nor *nor, static int spi_nor_parse_sccr(struct spi_nor *nor, const struct sfdp_parameter_header *sccr_header) { - struct spi_nor_flash_parameter *params = nor->params; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); u32 *dwords, addr; size_t len; int ret; @@ -1282,7 +1287,7 @@ static int spi_nor_parse_sccr(struct spi_nor *nor, static int spi_nor_parse_sccr_mc(struct spi_nor *nor, const struct sfdp_parameter_header *sccr_mc_header) { - struct spi_nor_flash_parameter *params = nor->params; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); u32 *dwords, addr; u8 i, n_dice; size_t len; diff --git a/drivers/mtd/spi-nor/spansion.c b/drivers/mtd/spi-nor/spansion.c index 12921344373d..63f46e443b29 100644 --- a/drivers/mtd/spi-nor/spansion.c +++ b/drivers/mtd/spi-nor/spansion.c @@ -78,7 +78,8 @@ struct spansion_nor_params { */ static void spansion_nor_clear_sr(struct spi_nor *nor) { - const struct spansion_nor_params *priv_params = nor->params->priv; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); + const struct spansion_nor_params *priv_params = params->priv; int ret; if (nor->spimem) { @@ -98,7 +99,7 @@ static void spansion_nor_clear_sr(struct spi_nor *nor) static int cypress_nor_sr_ready_and_clear_reg(struct spi_nor *nor, u64 addr) { - struct spi_nor_flash_parameter *params = nor->params; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); struct spi_mem_op op = CYPRESS_NOR_RD_ANY_REG_OP(params->addr_mode_nbytes, addr, 0, nor->bouncebuf); @@ -140,7 +141,7 @@ static int cypress_nor_sr_ready_and_clear_reg(struct spi_nor *nor, u64 addr) */ static int cypress_nor_sr_ready_and_clear(struct spi_nor *nor) { - struct spi_nor_flash_parameter *params = nor->params; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); u64 addr; int ret; u8 i; @@ -159,10 +160,11 @@ static int cypress_nor_sr_ready_and_clear(struct spi_nor *nor) static int cypress_nor_set_memlat(struct spi_nor *nor, u64 addr) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); struct spi_mem_op op; u8 *buf = nor->bouncebuf; int ret; - u8 addr_mode_nbytes = nor->params->addr_mode_nbytes; + u8 addr_mode_nbytes = params->addr_mode_nbytes; op = (struct spi_mem_op) CYPRESS_NOR_RD_ANY_REG_OP(addr_mode_nbytes, addr, 0, buf); @@ -189,13 +191,14 @@ static int cypress_nor_set_memlat(struct spi_nor *nor, u64 addr) static int cypress_nor_set_octal_dtr_bits(struct spi_nor *nor, u64 addr) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); struct spi_mem_op op; u8 *buf = nor->bouncebuf; /* Set the octal and DTR enable bits. */ buf[0] = SPINOR_REG_CYPRESS_CFR5_OCT_DTR_EN; op = (struct spi_mem_op) - CYPRESS_NOR_WR_ANY_REG_OP(nor->params->addr_mode_nbytes, + CYPRESS_NOR_WR_ANY_REG_OP(params->addr_mode_nbytes, addr, 1, buf); return spi_nor_write_any_volatile_reg(nor, &op, nor->reg_proto); @@ -203,7 +206,7 @@ static int cypress_nor_set_octal_dtr_bits(struct spi_nor *nor, u64 addr) static int cypress_nor_octal_dtr_en(struct spi_nor *nor) { - const struct spi_nor_flash_parameter *params = nor->params; + const struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); u8 *buf = nor->bouncebuf; u64 addr; int i, ret; @@ -253,7 +256,7 @@ static int cypress_nor_set_single_spi_bits(struct spi_nor *nor, u64 addr) static int cypress_nor_octal_dtr_dis(struct spi_nor *nor) { - const struct spi_nor_flash_parameter *params = nor->params; + const struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); u8 *buf = nor->bouncebuf; u64 addr; int i, ret; @@ -280,8 +283,9 @@ static int cypress_nor_octal_dtr_dis(struct spi_nor *nor) static int cypress_nor_quad_enable_volatile_reg(struct spi_nor *nor, u64 addr) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); struct spi_mem_op op; - u8 addr_mode_nbytes = nor->params->addr_mode_nbytes; + u8 addr_mode_nbytes = params->addr_mode_nbytes; u8 cfr1v_written; int ret; @@ -339,7 +343,7 @@ static int cypress_nor_quad_enable_volatile_reg(struct spi_nor *nor, u64 addr) */ static int cypress_nor_quad_enable_volatile(struct spi_nor *nor) { - struct spi_nor_flash_parameter *params = nor->params; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); u64 addr; u8 i; int ret; @@ -418,6 +422,7 @@ static int cypress_nor_determine_addr_mode_by_sr1(struct spi_nor *nor, */ static int cypress_nor_set_addr_mode_nbytes(struct spi_nor *nor) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); struct spi_mem_op op; u8 addr_mode; int ret; @@ -459,8 +464,8 @@ static int cypress_nor_set_addr_mode_nbytes(struct spi_nor *nor) return spi_nor_set_4byte_addr_mode(nor, true); } - nor->params->addr_nbytes = addr_mode; - nor->params->addr_mode_nbytes = addr_mode; + params->addr_nbytes = addr_mode; + params->addr_mode_nbytes = addr_mode; return 0; } @@ -477,10 +482,10 @@ static int cypress_nor_set_addr_mode_nbytes(struct spi_nor *nor) */ static int cypress_nor_get_page_size(struct spi_nor *nor) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); struct spi_mem_op op = - CYPRESS_NOR_RD_ANY_REG_OP(nor->params->addr_mode_nbytes, + CYPRESS_NOR_RD_ANY_REG_OP(params->addr_mode_nbytes, 0, 0, nor->bouncebuf); - struct spi_nor_flash_parameter *params = nor->params; int ret; u8 i; @@ -507,12 +512,14 @@ static int cypress_nor_get_page_size(struct spi_nor *nor) static void cypress_nor_ecc_init(struct spi_nor *nor) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); + /* * Programming is supported only in 16-byte ECC data unit granularity. * Byte-programming, bit-walking, or multiple program operations to the * same ECC data unit without an erase are not allowed. */ - nor->params->writesize = 16; + params->writesize = 16; nor->flags |= SNOR_F_ECC; } @@ -521,6 +528,7 @@ s25fs256t_post_bfpt_fixup(struct spi_nor *nor, const struct sfdp_parameter_header *bfpt_header, const struct sfdp_bfpt *bfpt) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); struct spi_mem_op op; int ret; @@ -530,7 +538,7 @@ s25fs256t_post_bfpt_fixup(struct spi_nor *nor, /* Read Architecture Configuration Register (ARCFN) */ op = (struct spi_mem_op) - CYPRESS_NOR_RD_ANY_REG_OP(nor->params->addr_mode_nbytes, + CYPRESS_NOR_RD_ANY_REG_OP(params->addr_mode_nbytes, SPINOR_REG_CYPRESS_ARCFN, 1, nor->bouncebuf); ret = spi_nor_read_any_reg(nor, &op, nor->reg_proto); @@ -546,7 +554,7 @@ s25fs256t_post_bfpt_fixup(struct spi_nor *nor, static int s25fs256t_post_sfdp_fixup(struct spi_nor *nor) { - struct spi_nor_flash_parameter *params = nor->params; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); /* * S25FS256T does not define the SCCR map, but we would like to use the @@ -588,20 +596,21 @@ s25hx_t_post_bfpt_fixup(struct spi_nor *nor, const struct sfdp_bfpt *bfpt) { int ret; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); ret = cypress_nor_set_addr_mode_nbytes(nor); if (ret) return ret; /* Replace Quad Enable with volatile version */ - nor->params->quad_enable = cypress_nor_quad_enable_volatile; + params->quad_enable = cypress_nor_quad_enable_volatile; return 0; } static int s25hx_t_post_sfdp_fixup(struct spi_nor *nor) { - struct spi_nor_flash_parameter *params = nor->params; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); struct spi_nor_erase_type *erase_type = params->erase_map.erase_type; unsigned int i; @@ -637,7 +646,7 @@ static int s25hx_t_post_sfdp_fixup(struct spi_nor *nor) static int s25hx_t_late_init(struct spi_nor *nor) { - struct spi_nor_flash_parameter *params = nor->params; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); /* Fast Read 4B requires mode cycles */ params->reads[SNOR_CMD_READ_FAST].num_mode_clocks = 8; @@ -671,7 +680,7 @@ static int cypress_nor_set_octal_dtr(struct spi_nor *nor, bool enable) static int s28hx_t_post_sfdp_fixup(struct spi_nor *nor) { - struct spi_nor_flash_parameter *params = nor->params; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); if (!params->n_dice || !params->vreg_offset) { dev_err(nor->dev, "%s failed. The volatile register offset could not be retrieved from SFDP.\n", @@ -720,7 +729,7 @@ static int s28hx_t_post_bfpt_fixup(struct spi_nor *nor, static int s28hx_t_late_init(struct spi_nor *nor) { - struct spi_nor_flash_parameter *params = nor->params; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); params->set_octal_dtr = cypress_nor_set_octal_dtr; params->ready = cypress_nor_sr_ready_and_clear; @@ -740,13 +749,15 @@ s25fs_s_nor_post_bfpt_fixups(struct spi_nor *nor, const struct sfdp_parameter_header *bfpt_header, const struct sfdp_bfpt *bfpt) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); + /* * The S25FS-S chip family reports 512-byte pages in BFPT but * in reality the write buffer still wraps at the safe default * of 256 bytes. Overwrite the page size advertised by BFPT * to get the writes working. */ - nor->params->page_size = 256; + params->page_size = 256; return 0; } @@ -1045,7 +1056,7 @@ static int spansion_nor_sr_ready_and_clear(struct spi_nor *nor) static int spansion_nor_late_init(struct spi_nor *nor) { - struct spi_nor_flash_parameter *params = nor->params; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); struct spansion_nor_params *priv_params; u8 mfr_flags = nor->info->mfr_flags; diff --git a/drivers/mtd/spi-nor/sst.c b/drivers/mtd/spi-nor/sst.c index 44d2a546bf17..8d6e50cfef62 100644 --- a/drivers/mtd/spi-nor/sst.c +++ b/drivers/mtd/spi-nor/sst.c @@ -20,10 +20,11 @@ static int sst26vf_nor_lock(struct spi_nor *nor, loff_t ofs, uint64_t len) static int sst26vf_nor_unlock(struct spi_nor *nor, loff_t ofs, uint64_t len) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); int ret; /* We only support unlocking the entire flash array. */ - if (ofs != 0 || len != nor->params->size) + if (ofs != 0 || len != params->size) return -EINVAL; ret = spi_nor_read_cr(nor, nor->bouncebuf); @@ -51,7 +52,9 @@ static const struct spi_nor_locking_ops sst26vf_nor_locking_ops = { static int sst26vf_nor_late_init(struct spi_nor *nor) { - nor->params->locking_ops = &sst26vf_nor_locking_ops; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); + + params->locking_ops = &sst26vf_nor_locking_ops; return 0; } diff --git a/drivers/mtd/spi-nor/swp.c b/drivers/mtd/spi-nor/swp.c index 585813310ee1..78febd6e1a00 100644 --- a/drivers/mtd/spi-nor/swp.c +++ b/drivers/mtd/spi-nor/swp.c @@ -39,7 +39,8 @@ static u64 spi_nor_get_min_prot_length_sr(struct spi_nor *nor) * the flash. For now, we need to have that ugly default. */ unsigned int sector_size = nor->info->sector_size ?: SPI_NOR_DEFAULT_SECTOR_SIZE; - u64 n_sectors = div_u64(nor->params->size, sector_size); + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); + u64 n_sectors = div_u64(params->size, sector_size); u8 mask = spi_nor_get_sr_bp_mask(nor); /* Reserved one for "protect none" and one for "protect all". */ @@ -350,11 +351,14 @@ static const struct spi_nor_locking_ops spi_nor_sr_locking_ops = { void spi_nor_init_default_locking_ops(struct spi_nor *nor) { - nor->params->locking_ops = &spi_nor_sr_locking_ops; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); + + params->locking_ops = &spi_nor_sr_locking_ops; } static int spi_nor_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len) { + struct spi_nor_flash_parameter *params; struct spi_nor *nor = mtd_to_spi_nor(mtd); int ret; @@ -362,7 +366,8 @@ static int spi_nor_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len) if (ret) return ret; - ret = nor->params->locking_ops->lock(nor, ofs, len); + params = spi_nor_get_params(nor, 0); + ret = params->locking_ops->lock(nor, ofs, len); spi_nor_unlock_and_unprep(nor); return ret; @@ -370,6 +375,7 @@ static int spi_nor_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len) static int spi_nor_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len) { + struct spi_nor_flash_parameter *params; struct spi_nor *nor = mtd_to_spi_nor(mtd); int ret; @@ -377,7 +383,8 @@ static int spi_nor_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len) if (ret) return ret; - ret = nor->params->locking_ops->unlock(nor, ofs, len); + params = spi_nor_get_params(nor, 0); + ret = params->locking_ops->unlock(nor, ofs, len); spi_nor_unlock_and_unprep(nor); return ret; @@ -385,6 +392,7 @@ static int spi_nor_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len) static int spi_nor_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len) { + struct spi_nor_flash_parameter *params; struct spi_nor *nor = mtd_to_spi_nor(mtd); int ret; @@ -392,7 +400,8 @@ static int spi_nor_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len) if (ret) return ret; - ret = nor->params->locking_ops->is_locked(nor, ofs, len); + params = spi_nor_get_params(nor, 0); + ret = params->locking_ops->is_locked(nor, ofs, len); spi_nor_unlock_and_unprep(nor); return ret; @@ -412,6 +421,7 @@ static int spi_nor_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len) */ void spi_nor_try_unlock_all(struct spi_nor *nor) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); int ret; if (!(nor->flags & SNOR_F_HAS_LOCK)) @@ -419,16 +429,17 @@ void spi_nor_try_unlock_all(struct spi_nor *nor) dev_dbg(nor->dev, "Unprotecting entire flash array\n"); - ret = spi_nor_unlock(&nor->mtd, 0, nor->params->size); + ret = spi_nor_unlock(&nor->mtd, 0, params->size); if (ret) dev_dbg(nor->dev, "Failed to unlock the entire flash memory array\n"); } void spi_nor_set_mtd_locking_ops(struct spi_nor *nor) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); struct mtd_info *mtd = &nor->mtd; - if (!nor->params->locking_ops) + if (!params->locking_ops) return; mtd->_lock = spi_nor_lock; diff --git a/drivers/mtd/spi-nor/winbond.c b/drivers/mtd/spi-nor/winbond.c index 142fb27b2ea9..cdbec66aed91 100644 --- a/drivers/mtd/spi-nor/winbond.c +++ b/drivers/mtd/spi-nor/winbond.c @@ -303,7 +303,7 @@ static const struct spi_nor_otp_ops winbond_nor_otp_ops = { static int winbond_nor_late_init(struct spi_nor *nor) { - struct spi_nor_flash_parameter *params = nor->params; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); if (params->otp.org) params->otp.ops = &winbond_nor_otp_ops; diff --git a/drivers/mtd/spi-nor/xilinx.c b/drivers/mtd/spi-nor/xilinx.c index f99118c691b0..046dfba6b166 100644 --- a/drivers/mtd/spi-nor/xilinx.c +++ b/drivers/mtd/spi-nor/xilinx.c @@ -50,7 +50,8 @@ static const struct flash_info xilinx_nor_parts[] = { */ static u32 s3an_nor_convert_addr(struct spi_nor *nor, u32 addr) { - u32 page_size = nor->params->page_size; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); + u32 page_size = params->page_size; u32 offset, page; offset = addr % page_size; @@ -110,6 +111,7 @@ static int xilinx_nor_sr_ready(struct spi_nor *nor) static int xilinx_nor_setup(struct spi_nor *nor, const struct spi_nor_hwcaps *hwcaps) { + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); u32 page_size; int ret; @@ -135,14 +137,14 @@ static int xilinx_nor_setup(struct spi_nor *nor, */ if (nor->bouncebuf[0] & XSR_PAGESIZE) { /* Flash in Power of 2 mode */ - page_size = (nor->params->page_size == 264) ? 256 : 512; - nor->params->page_size = page_size; + page_size = (params->page_size == 264) ? 256 : 512; + params->page_size = page_size; nor->mtd.writebufsize = page_size; - nor->params->size = nor->info->size; + params->size = nor->info->size; nor->mtd.erasesize = 8 * page_size; } else { /* Flash in Default addressing mode */ - nor->params->convert_addr = s3an_nor_convert_addr; + params->convert_addr = s3an_nor_convert_addr; nor->mtd.erasesize = nor->info->sector_size; } @@ -151,8 +153,10 @@ static int xilinx_nor_setup(struct spi_nor *nor, static int xilinx_nor_late_init(struct spi_nor *nor) { - nor->params->setup = xilinx_nor_setup; - nor->params->ready = xilinx_nor_sr_ready; + struct spi_nor_flash_parameter *params = spi_nor_get_params(nor, 0); + + params->setup = xilinx_nor_setup; + params->ready = xilinx_nor_sr_ready; return 0; } diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h index cdcfe0fd2e7d..59909e7d6f53 100644 --- a/include/linux/mtd/spi-nor.h +++ b/include/linux/mtd/spi-nor.h @@ -433,6 +433,16 @@ static inline struct device_node *spi_nor_get_flash_node(struct spi_nor *nor) return mtd_get_of_node(&nor->mtd); } +static inline struct spi_nor_flash_parameter *spi_nor_get_params(const struct spi_nor *nor, u8 idx) +{ + return nor->params; +} + +static inline void spi_nor_set_params(struct spi_nor *nor, u8 idx, + struct spi_nor_flash_parameter *params) +{ + nor->params = params; +} /** * spi_nor_scan() - scan the SPI NOR * @nor: the spi_nor structure