From: Tudor Ambarus <[email protected]> Rename nor->params to nor->flash for a clearer separation between the controller and flash operations.
Signed-off-by: Tudor Ambarus <[email protected]> --- drivers/mtd/spi-nor/spi-nor.c | 286 +++++++++++++++++++++--------------------- include/linux/mtd/spi-nor.h | 12 +- 2 files changed, 149 insertions(+), 149 deletions(-) diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c index b8c7ded0f145..7d0c1b598250 100644 --- a/drivers/mtd/spi-nor/spi-nor.c +++ b/drivers/mtd/spi-nor/spi-nor.c @@ -172,7 +172,7 @@ struct spi_nor_fixups { int (*post_bfpt)(struct spi_nor *nor, const struct sfdp_parameter_header *bfpt_header, const struct sfdp_bfpt *bfpt, - struct spi_nor_flash_parameter *params); + struct spi_nor_flash_parameter *flash); void (*post_sfdp)(struct spi_nor *nor); }; @@ -608,7 +608,7 @@ static void spi_nor_set_4byte_opcodes(struct spi_nor *nor) 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 = &nor->flash.erase_map; struct spi_nor_erase_type *erase; int i; @@ -927,10 +927,10 @@ static u32 s3an_convert_addr(struct spi_nor *nor, u32 addr) static u32 spi_nor_convert_addr(struct spi_nor *nor, loff_t addr) { - if (!nor->params.convert_addr) + if (!nor->flash.convert_addr) return addr; - return nor->params.convert_addr(nor, addr); + return nor->flash.convert_addr(nor, addr); } /* @@ -1140,7 +1140,7 @@ 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; + const struct spi_nor_erase_map *map = &nor->flash.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; @@ -1628,7 +1628,7 @@ 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); + ret = nor->flash.locking_ops->lock(nor, ofs, len); spi_nor_unlock_and_unprep(nor, SPI_NOR_OPS_UNLOCK); return ret; @@ -1643,7 +1643,7 @@ 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); + ret = nor->flash.locking_ops->unlock(nor, ofs, len); spi_nor_unlock_and_unprep(nor, SPI_NOR_OPS_LOCK); return ret; @@ -1658,7 +1658,7 @@ 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); + ret = nor->flash.locking_ops->is_locked(nor, ofs, len); spi_nor_unlock_and_unprep(nor, SPI_NOR_OPS_LOCK); return ret; @@ -2093,7 +2093,7 @@ static int 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) + struct spi_nor_flash_parameter *flash) { /* * IS25LP256 supports 4B opcodes, but the BFPT advertises a @@ -2115,7 +2115,7 @@ static int mx25l25635_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) + struct spi_nor_flash_parameter *flash) { /* * MX25L25635F supports 4B opcodes but MX25L25635E does not. @@ -2144,7 +2144,7 @@ static void gd25q256_default_init(struct spi_nor *nor) * indicate the quad_enable method for this case, we need * to set it in the default_init fixup hook. */ - nor->params.quad_enable = macronix_quad_enable; + nor->flash.quad_enable = macronix_quad_enable; } static struct spi_nor_fixups gd25q256_fixups = { @@ -2777,7 +2777,7 @@ static int s3an_nor_setup(struct spi_nor *nor, nor->mtd.erasesize = 8 * nor->page_size; } else { /* Flash in Default addressing mode */ - nor->params.convert_addr = s3an_convert_addr; + nor->flash.convert_addr = s3an_convert_addr; nor->mtd.erasesize = nor->info->sector_size; } @@ -3017,7 +3017,7 @@ 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 *flash = &nor->flash; unsigned int cap; /* DTR modes are not supported yet, mask them all. */ @@ -3034,7 +3034,7 @@ spi_nor_spimem_adjust_hwcaps(struct spi_nor *nor, u32 *hwcaps) rdidx = spi_nor_hwcaps_read2cmd(BIT(cap)); if (rdidx >= 0 && - spi_nor_spimem_check_readop(nor, ¶ms->reads[rdidx])) + spi_nor_spimem_check_readop(nor, &flash->reads[rdidx])) *hwcaps &= ~BIT(cap); ppidx = spi_nor_hwcaps_pp2cmd(BIT(cap)); @@ -3042,7 +3042,7 @@ spi_nor_spimem_adjust_hwcaps(struct spi_nor *nor, u32 *hwcaps) continue; if (spi_nor_spimem_check_pp(nor, - ¶ms->page_programs[ppidx])) + &flash->page_programs[ppidx])) *hwcaps &= ~BIT(cap); } } @@ -3091,7 +3091,7 @@ spi_nor_set_read_settings_from_bfpt(struct spi_nor_read_command *read, } struct sfdp_bfpt_read { - /* The Fast Read x-y-z hardware capability in params->hwcaps.mask. */ + /* The Fast Read x-y-z hardware capability in flash->hwcaps.mask. */ u32 hwcaps; /* @@ -3322,11 +3322,11 @@ static int spi_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) + struct spi_nor_flash_parameter *flash) { if (nor->info->fixups && nor->info->fixups->post_bfpt) return nor->info->fixups->post_bfpt(nor, bfpt_header, bfpt, - params); + flash); return 0; } @@ -3336,7 +3336,7 @@ spi_nor_post_bfpt_fixups(struct spi_nor *nor, * @nor: pointer to a 'struct spi_nor' * @bfpt_header: pointer to the 'struct sfdp_parameter_header' describing * the Basic Flash Parameter Table length and version - * @params: pointer to the 'struct spi_nor_flash_parameter' to be + * @flash: pointer to the 'struct spi_nor_flash_parameter' to be * filled * * The Basic Flash Parameter Table is the main and only mandatory table as @@ -3363,9 +3363,9 @@ spi_nor_post_bfpt_fixups(struct spi_nor *nor, */ static int spi_nor_parse_bfpt(struct spi_nor *nor, const struct sfdp_parameter_header *bfpt_header, - struct spi_nor_flash_parameter *params) + struct spi_nor_flash_parameter *flash) { - struct spi_nor_erase_map *map = ¶ms->erase_map; + struct spi_nor_erase_map *map = &flash->erase_map; struct spi_nor_erase_type *erase_type = map->erase_type; struct sfdp_bfpt bfpt; size_t len; @@ -3406,23 +3406,23 @@ static int spi_nor_parse_bfpt(struct spi_nor *nor, } /* Flash Memory Density (in bits). */ - params->size = bfpt.dwords[BFPT_DWORD(2)]; - if (params->size & BIT(31)) { - params->size &= ~BIT(31); + flash->size = bfpt.dwords[BFPT_DWORD(2)]; + if (flash->size & BIT(31)) { + flash->size &= ~BIT(31); /* - * Prevent overflows on params->size. Anyway, a NOR of 2^64 + * Prevent overflows on flash->size. Anyway, a NOR of 2^64 * bits is unlikely to exist so this error probably means * the BFPT we are reading is corrupted/wrong. */ - if (params->size > 63) + if (flash->size > 63) return -EINVAL; - params->size = 1ULL << params->size; + flash->size = 1ULL << flash->size; } else { - params->size++; + flash->size++; } - params->size >>= 3; /* Convert to bytes. */ + flash->size >>= 3; /* Convert to bytes. */ /* Fast Read settings. */ for (i = 0; i < ARRAY_SIZE(sfdp_bfpt_reads); i++) { @@ -3430,13 +3430,13 @@ static int spi_nor_parse_bfpt(struct spi_nor *nor, struct spi_nor_read_command *read; if (!(bfpt.dwords[rd->supported_dword] & rd->supported_bit)) { - params->hwcaps.mask &= ~rd->hwcaps; + flash->hwcaps.mask &= ~rd->hwcaps; continue; } - params->hwcaps.mask |= rd->hwcaps; + flash->hwcaps.mask |= rd->hwcaps; cmd = spi_nor_hwcaps_read2cmd(rd->hwcaps); - read = ¶ms->reads[cmd]; + read = &flash->reads[cmd]; half = bfpt.dwords[rd->settings_dword] >> rd->settings_shift; spi_nor_set_read_settings_from_bfpt(read, half, rd->proto); } @@ -3446,7 +3446,7 @@ static int spi_nor_parse_bfpt(struct spi_nor *nor, * Erase Types defined in the bfpt table. */ erase_mask = 0; - memset(¶ms->erase_map, 0, sizeof(params->erase_map)); + memset(&flash->erase_map, 0, sizeof(flash->erase_map)); for (i = 0; i < ARRAY_SIZE(sfdp_bfpt_erases); i++) { const struct sfdp_bfpt_erase *er = &sfdp_bfpt_erases[i]; u32 erasesize; @@ -3465,7 +3465,7 @@ static int spi_nor_parse_bfpt(struct spi_nor *nor, spi_nor_set_erase_settings_from_bfpt(&erase_type[i], erasesize, opcode, i); } - spi_nor_init_uniform_erase_map(map, erase_mask, params->size); + spi_nor_init_uniform_erase_map(map, erase_mask, flash->size); /* * Sort all the map's Erase Types in ascending order with the smallest * erase size being the first member in the erase_type array. @@ -3483,43 +3483,42 @@ static int spi_nor_parse_bfpt(struct spi_nor *nor, /* Stop here if not JESD216 rev A or later. */ if (bfpt_header->length < BFPT_DWORD_MAX) - return spi_nor_post_bfpt_fixups(nor, bfpt_header, &bfpt, - params); + return spi_nor_post_bfpt_fixups(nor, bfpt_header, &bfpt, flash); /* Page size: this field specifies 'N' so the page size = 2^N bytes. */ - params->page_size = bfpt.dwords[BFPT_DWORD(11)]; - params->page_size &= BFPT_DWORD11_PAGE_SIZE_MASK; - params->page_size >>= BFPT_DWORD11_PAGE_SIZE_SHIFT; - params->page_size = 1U << params->page_size; + flash->page_size = bfpt.dwords[BFPT_DWORD(11)]; + flash->page_size &= BFPT_DWORD11_PAGE_SIZE_MASK; + flash->page_size >>= BFPT_DWORD11_PAGE_SIZE_SHIFT; + flash->page_size = 1U << flash->page_size; /* Quad Enable Requirements. */ switch (bfpt.dwords[BFPT_DWORD(15)] & BFPT_DWORD15_QER_MASK) { case BFPT_DWORD15_QER_NONE: - params->quad_enable = NULL; + flash->quad_enable = NULL; break; case BFPT_DWORD15_QER_SR2_BIT1_BUGGY: case BFPT_DWORD15_QER_SR2_BIT1_NO_RD: - params->quad_enable = spansion_no_read_cr_quad_enable; + flash->quad_enable = spansion_no_read_cr_quad_enable; break; case BFPT_DWORD15_QER_SR1_BIT6: - params->quad_enable = macronix_quad_enable; + flash->quad_enable = macronix_quad_enable; break; case BFPT_DWORD15_QER_SR2_BIT7: - params->quad_enable = sr2_bit7_quad_enable; + flash->quad_enable = sr2_bit7_quad_enable; break; case BFPT_DWORD15_QER_SR2_BIT1: - params->quad_enable = spansion_read_cr_quad_enable; + flash->quad_enable = spansion_read_cr_quad_enable; break; default: return -EINVAL; } - return spi_nor_post_bfpt_fixups(nor, bfpt_header, &bfpt, params); + return spi_nor_post_bfpt_fixups(nor, bfpt_header, &bfpt, flash); } #define SMPT_CMD_ADDRESS_LEN_MASK GENMASK(23, 22) @@ -3721,7 +3720,7 @@ spi_nor_region_check_overlay(struct spi_nor_erase_region *region, /** * spi_nor_init_non_uniform_erase_map() - initialize the non-uniform erase map * @nor: pointer to a 'struct spi_nor' - * @params: pointer to a duplicate 'struct spi_nor_flash_parameter' that is + * @flash: pointer to a duplicate 'struct spi_nor_flash_parameter' that is * used for storing SFDP parsed data * @smpt: pointer to the sector map parameter table * @@ -3729,10 +3728,10 @@ spi_nor_region_check_overlay(struct spi_nor_erase_region *region, */ static int spi_nor_init_non_uniform_erase_map(struct spi_nor *nor, - struct spi_nor_flash_parameter *params, + struct spi_nor_flash_parameter *flash, const u32 *smpt) { - struct spi_nor_erase_map *map = ¶ms->erase_map; + struct spi_nor_erase_map *map = &flash->erase_map; struct spi_nor_erase_type *erase = map->erase_type; struct spi_nor_erase_region *region; u64 offset; @@ -3811,7 +3810,7 @@ spi_nor_init_non_uniform_erase_map(struct spi_nor *nor, * spi_nor_parse_smpt() - parse Sector Map Parameter Table * @nor: pointer to a 'struct spi_nor' * @smpt_header: sector map parameter table header - * @params: pointer to a duplicate 'struct spi_nor_flash_parameter' + * @flash: pointer to a duplicate 'struct spi_nor_flash_parameter' * that is used for storing SFDP parsed data * * This table is optional, but when available, we parse it to identify the @@ -3822,7 +3821,7 @@ 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) + struct spi_nor_flash_parameter *flash) { const u32 *sector_map; u32 *smpt; @@ -3851,11 +3850,11 @@ static int spi_nor_parse_smpt(struct spi_nor *nor, goto out; } - ret = spi_nor_init_non_uniform_erase_map(nor, params, sector_map); + ret = spi_nor_init_non_uniform_erase_map(nor, flash, sector_map); if (ret) goto out; - spi_nor_regions_sort_erase_types(¶ms->erase_map); + spi_nor_regions_sort_erase_types(&flash->erase_map); /* fall through */ out: kfree(smpt); @@ -3880,13 +3879,13 @@ struct sfdp_4bait { * @nor: pointer to a 'struct spi_nor'. * @param_header: pointer to the 'struct sfdp_parameter_header' describing * the 4-Byte Address Instruction Table length and version. - * @params: pointer to the 'struct spi_nor_flash_parameter' to be. + * @flash: pointer to the 'struct spi_nor_flash_parameter' to be. * * Return: 0 on success, -errno otherwise. */ static int spi_nor_parse_4bait(struct spi_nor *nor, const struct sfdp_parameter_header *param_header, - struct spi_nor_flash_parameter *params) + struct spi_nor_flash_parameter *flash) { static const struct sfdp_4bait reads[] = { { SNOR_HWCAPS_READ, BIT(0) }, @@ -3910,8 +3909,8 @@ static int spi_nor_parse_4bait(struct spi_nor *nor, { 0u /* not used */, BIT(11) }, { 0u /* not used */, BIT(12) }, }; - struct spi_nor_pp_command *params_pp = params->page_programs; - struct spi_nor_erase_map *map = ¶ms->erase_map; + struct spi_nor_pp_command *flash_pp = flash->page_programs; + struct spi_nor_erase_map *map = &flash->erase_map; struct spi_nor_erase_type *erase_type = map->erase_type; u32 *dwords; size_t len; @@ -3949,7 +3948,7 @@ static int spi_nor_parse_4bait(struct spi_nor *nor, const struct sfdp_4bait *read = &reads[i]; discard_hwcaps |= read->hwcaps; - if ((params->hwcaps.mask & read->hwcaps) && + if ((flash->hwcaps.mask & read->hwcaps) && (dwords[0] & read->supported_bit)) read_hwcaps |= read->hwcaps; } @@ -3965,7 +3964,7 @@ static int spi_nor_parse_4bait(struct spi_nor *nor, /* * The 4 Byte Address Instruction (Optional) Table is the only * SFDP table that indicates support for Page Program Commands. - * Bypass the params->hwcaps.mask and consider 4BAIT the biggest + * Bypass the flash->hwcaps.mask and consider 4BAIT the biggest * authority for specifying Page Program support. */ discard_hwcaps |= program->hwcaps; @@ -4000,26 +3999,26 @@ static int spi_nor_parse_4bait(struct spi_nor *nor, * Discard all operations from the 4-byte instruction set which are * not supported by this memory. */ - params->hwcaps.mask &= ~discard_hwcaps; - params->hwcaps.mask |= (read_hwcaps | pp_hwcaps); + flash->hwcaps.mask &= ~discard_hwcaps; + flash->hwcaps.mask |= (read_hwcaps | pp_hwcaps); /* Use the 4-byte address instruction set. */ for (i = 0; i < SNOR_CMD_READ_MAX; i++) { - struct spi_nor_read_command *read_cmd = ¶ms->reads[i]; + struct spi_nor_read_command *read_cmd = &flash->reads[i]; read_cmd->opcode = spi_nor_convert_3to4_read(read_cmd->opcode); } /* 4BAIT is the only SFDP table that indicates page program support. */ if (pp_hwcaps & SNOR_HWCAPS_PP) - spi_nor_set_pp_settings(¶ms_pp[SNOR_CMD_PP], + spi_nor_set_pp_settings(&flash_pp[SNOR_CMD_PP], SPINOR_OP_PP_4B, SNOR_PROTO_1_1_1); if (pp_hwcaps & SNOR_HWCAPS_PP_1_1_4) - spi_nor_set_pp_settings(¶ms_pp[SNOR_CMD_PP_1_1_4], + spi_nor_set_pp_settings(&flash_pp[SNOR_CMD_PP_1_1_4], SPINOR_OP_PP_1_1_4_4B, SNOR_PROTO_1_1_4); if (pp_hwcaps & SNOR_HWCAPS_PP_1_4_4) - spi_nor_set_pp_settings(¶ms_pp[SNOR_CMD_PP_1_4_4], + spi_nor_set_pp_settings(&flash_pp[SNOR_CMD_PP_1_4_4], SPINOR_OP_PP_1_4_4_4B, SNOR_PROTO_1_4_4); @@ -4050,7 +4049,7 @@ static int spi_nor_parse_4bait(struct spi_nor *nor, /** * spi_nor_parse_sfdp() - parse the Serial Flash Discoverable Parameters. * @nor: pointer to a 'struct spi_nor' - * @params: pointer to the 'struct spi_nor_flash_parameter' to be + * @flash: pointer to the 'struct spi_nor_flash_parameter' to be * filled * * The Serial Flash Discoverable Parameters are described by the JEDEC JESD216 @@ -4062,7 +4061,7 @@ static int spi_nor_parse_4bait(struct spi_nor *nor, * Return: 0 on success, -errno otherwise. */ static int spi_nor_parse_sfdp(struct spi_nor *nor, - struct spi_nor_flash_parameter *params) + struct spi_nor_flash_parameter *flash) { const struct sfdp_parameter_header *param_header, *bfpt_header; struct sfdp_parameter_header *param_headers = NULL; @@ -4131,7 +4130,7 @@ static int spi_nor_parse_sfdp(struct spi_nor *nor, bfpt_header = param_header; } - err = spi_nor_parse_bfpt(nor, bfpt_header, params); + err = spi_nor_parse_bfpt(nor, bfpt_header, flash); if (err) goto exit; @@ -4141,11 +4140,11 @@ static int spi_nor_parse_sfdp(struct spi_nor *nor, switch (SFDP_PARAM_HEADER_ID(param_header)) { case SFDP_SECTOR_MAP_ID: - err = spi_nor_parse_smpt(nor, param_header, params); + err = spi_nor_parse_smpt(nor, param_header, flash); break; case SFDP_4BAIT_ID: - err = spi_nor_parse_4bait(nor, param_header, params); + err = spi_nor_parse_4bait(nor, param_header, flash); break; default: @@ -4183,7 +4182,7 @@ static int spi_nor_select_read(struct spi_nor *nor, if (cmd < 0) return -EINVAL; - read = &nor->params.reads[cmd]; + read = &nor->flash.reads[cmd]; nor->read_opcode = read->opcode; nor->read_proto = read->proto; @@ -4214,7 +4213,7 @@ static int spi_nor_select_pp(struct spi_nor *nor, if (cmd < 0) return -EINVAL; - pp = &nor->params.page_programs[cmd]; + pp = &nor->flash.page_programs[cmd]; nor->program_opcode = pp->opcode; nor->write_proto = pp->proto; return 0; @@ -4275,7 +4274,7 @@ 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_erase_map *map = &nor->flash.erase_map; const struct spi_nor_erase_type *erase = NULL; struct mtd_info *mtd = &nor->mtd; u32 wanted_size = nor->info->sector_size; @@ -4324,7 +4323,7 @@ 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 *flash = &nor->flash; u32 ignored_mask, shared_mask; int err; @@ -4332,7 +4331,7 @@ static int spi_nor_default_setup(struct spi_nor *nor, * Keep only the hardware capabilities supported by both the SPI * controller and the SPI flash memory. */ - shared_mask = hwcaps->mask & params->hwcaps.mask; + shared_mask = hwcaps->mask & flash->hwcaps.mask; if (nor->spimem) { /* @@ -4385,36 +4384,36 @@ static int spi_nor_default_setup(struct spi_nor *nor, static int spi_nor_setup(struct spi_nor *nor, const struct spi_nor_hwcaps *hwcaps) { - if (!nor->params.setup) + if (!nor->flash.setup) return 0; - return nor->params.setup(nor, hwcaps); + return nor->flash.setup(nor, hwcaps); } static void macronix_set_default_init(struct spi_nor *nor) { - nor->params.quad_enable = macronix_quad_enable; - nor->params.set_4byte = macronix_set_4byte; + nor->flash.quad_enable = macronix_quad_enable; + nor->flash.set_4byte = macronix_set_4byte; } static void st_micron_set_default_init(struct spi_nor *nor) { nor->flags |= SNOR_F_HAS_LOCK; - nor->params.quad_enable = NULL; - nor->params.set_4byte = st_micron_set_4byte; + nor->flash.quad_enable = NULL; + nor->flash.set_4byte = st_micron_set_4byte; } static void winbond_set_default_init(struct spi_nor *nor) { - nor->params.set_4byte = winbond_set_4byte; + nor->flash.set_4byte = winbond_set_4byte; } /** - * spi_nor_manufacturer_init_params() - Initialize the flash's parameters and - * settings based on MFR register and ->default_init() hook. + * spi_nor_manufacturer_init_flash_params() - Initialize the flash's + * parameters and settings based on MFR register and ->default_init() hook. * @nor: pointer to a 'struct spi-nor'. */ -static void spi_nor_manufacturer_init_params(struct spi_nor *nor) +static void spi_nor_manufacturer_init_flash_params(struct spi_nor *nor) { /* Init flash parameters based on MFR */ switch (JEDEC_MFR(nor->info)) { @@ -4440,93 +4439,93 @@ static void spi_nor_manufacturer_init_params(struct spi_nor *nor) } /** - * spi_nor_sfdp_init_params() - Initialize the flash's parameters and settings - * based on JESD216 SFDP standard. + * spi_nor_sfdp_init_flash_params() - Initialize the flash's parameters and + * settings based on JESD216 SFDP standard. * @nor: pointer to a 'struct spi-nor'. * * The method has a roll-back mechanism: in case the SFDP parsing fails, the * legacy flash parameters and settings will be restored. */ -static void spi_nor_sfdp_init_params(struct spi_nor *nor) +static void spi_nor_sfdp_init_flash_params(struct spi_nor *nor) { - struct spi_nor_flash_parameter sfdp_params; + struct spi_nor_flash_parameter sfdp_flash; - memcpy(&sfdp_params, &nor->params, sizeof(sfdp_params)); + memcpy(&sfdp_flash, &nor->flash, sizeof(sfdp_flash)); - if (spi_nor_parse_sfdp(nor, &sfdp_params)) { + if (spi_nor_parse_sfdp(nor, &sfdp_flash)) { nor->addr_width = 0; nor->flags &= ~SNOR_F_4B_OPCODES; } else { - memcpy(&nor->params, &sfdp_params, sizeof(nor->params)); + memcpy(&nor->flash, &sfdp_flash, sizeof(nor->flash)); } } /** - * spi_nor_info_init_params() - Initialize the flash's parameters and settings - * based on nor->info data. + * spi_nor_info_init_flash_params() - Initialize the flash's parameters and + * settings based on nor->info data. * @nor: pointer to a 'struct spi-nor'. */ -static void spi_nor_info_init_params(struct spi_nor *nor) +static void spi_nor_info_init_flash_params(struct spi_nor *nor) { - struct spi_nor_flash_parameter *params = &nor->params; - struct spi_nor_erase_map *map = ¶ms->erase_map; + struct spi_nor_flash_parameter *flash = &nor->flash; + struct spi_nor_erase_map *map = &flash->erase_map; const struct flash_info *info = nor->info; struct device_node *np = spi_nor_get_flash_node(nor); u8 i, erase_mask; /* Initialize legacy flash parameters and settings. */ - params->quad_enable = spansion_quad_enable; - params->set_4byte = spansion_set_4byte; - params->setup = spi_nor_default_setup; + flash->quad_enable = spansion_quad_enable; + flash->set_4byte = spansion_set_4byte; + flash->setup = spi_nor_default_setup; /* Set SPI NOR sizes. */ - params->size = (u64)info->sector_size * info->n_sectors; - params->page_size = info->page_size; + flash->size = (u64)info->sector_size * info->n_sectors; + flash->page_size = info->page_size; if (!(info->flags & SPI_NOR_NO_FR)) { /* Default to Fast Read for DT and non-DT platform devices. */ - params->hwcaps.mask |= SNOR_HWCAPS_READ_FAST; + flash->hwcaps.mask |= SNOR_HWCAPS_READ_FAST; /* Mask out Fast Read if not requested at DT instantiation. */ if (np && !of_property_read_bool(np, "m25p,fast-read")) - params->hwcaps.mask &= ~SNOR_HWCAPS_READ_FAST; + flash->hwcaps.mask &= ~SNOR_HWCAPS_READ_FAST; } /* (Fast) Read settings. */ - params->hwcaps.mask |= SNOR_HWCAPS_READ; - spi_nor_set_read_settings(¶ms->reads[SNOR_CMD_READ], + flash->hwcaps.mask |= SNOR_HWCAPS_READ; + spi_nor_set_read_settings(&flash->reads[SNOR_CMD_READ], 0, 0, SPINOR_OP_READ, SNOR_PROTO_1_1_1); - if (params->hwcaps.mask & SNOR_HWCAPS_READ_FAST) - spi_nor_set_read_settings(¶ms->reads[SNOR_CMD_READ_FAST], + if (flash->hwcaps.mask & SNOR_HWCAPS_READ_FAST) + spi_nor_set_read_settings(&flash->reads[SNOR_CMD_READ_FAST], 0, 8, SPINOR_OP_READ_FAST, SNOR_PROTO_1_1_1); if (info->flags & SPI_NOR_DUAL_READ) { - params->hwcaps.mask |= SNOR_HWCAPS_READ_1_1_2; - spi_nor_set_read_settings(¶ms->reads[SNOR_CMD_READ_1_1_2], + flash->hwcaps.mask |= SNOR_HWCAPS_READ_1_1_2; + spi_nor_set_read_settings(&flash->reads[SNOR_CMD_READ_1_1_2], 0, 8, SPINOR_OP_READ_1_1_2, SNOR_PROTO_1_1_2); } if (info->flags & SPI_NOR_QUAD_READ) { - params->hwcaps.mask |= SNOR_HWCAPS_READ_1_1_4; - spi_nor_set_read_settings(¶ms->reads[SNOR_CMD_READ_1_1_4], + flash->hwcaps.mask |= SNOR_HWCAPS_READ_1_1_4; + spi_nor_set_read_settings(&flash->reads[SNOR_CMD_READ_1_1_4], 0, 8, SPINOR_OP_READ_1_1_4, SNOR_PROTO_1_1_4); } if (info->flags & SPI_NOR_OCTAL_READ) { - params->hwcaps.mask |= SNOR_HWCAPS_READ_1_1_8; - spi_nor_set_read_settings(¶ms->reads[SNOR_CMD_READ_1_1_8], + flash->hwcaps.mask |= SNOR_HWCAPS_READ_1_1_8; + spi_nor_set_read_settings(&flash->reads[SNOR_CMD_READ_1_1_8], 0, 8, SPINOR_OP_READ_1_1_8, SNOR_PROTO_1_1_8); } /* Page Program settings. */ - params->hwcaps.mask |= SNOR_HWCAPS_PP; - spi_nor_set_pp_settings(¶ms->page_programs[SNOR_CMD_PP], + flash->hwcaps.mask |= SNOR_HWCAPS_PP; + spi_nor_set_pp_settings(&flash->page_programs[SNOR_CMD_PP], SPINOR_OP_PP, SNOR_PROTO_1_1_1); /* @@ -4549,7 +4548,7 @@ static void spi_nor_info_init_params(struct spi_nor *nor) erase_mask |= BIT(i); spi_nor_set_erase_type(&map->erase_type[i], info->sector_size, SPINOR_OP_SE); - spi_nor_init_uniform_erase_map(map, erase_mask, params->size); + spi_nor_init_uniform_erase_map(map, erase_mask, flash->size); } static void spansion_post_sfdp_fixups(struct spi_nor *nor) @@ -4567,7 +4566,7 @@ static void spansion_post_sfdp_fixups(struct spi_nor *nor) static void s3an_post_sfdp_fixups(struct spi_nor *nor) { - nor->params.setup = s3an_nor_setup; + nor->flash.setup = s3an_nor_setup; } /** @@ -4599,24 +4598,25 @@ static void spi_nor_post_sfdp_fixups(struct spi_nor *nor) } /** - * spi_nor_late_init_params() - Late initialization of default flash parameters. + * spi_nor_late_init_flash_params() - Late initialization of default flash + * parameters. * @nor: pointer to a 'struct spi_nor' * * Used to set default flash parameters and settings when the ->default_init() * hook or the SFDP parser let voids. */ -static void spi_nor_late_init_params(struct spi_nor *nor) +static void spi_nor_late_init_flash_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) - nor->params.locking_ops = &stm_locking_ops; + if (nor->flags & SNOR_F_HAS_LOCK && !nor->flash.locking_ops) + nor->flash.locking_ops = &stm_locking_ops; } /** - * spi_nor_init_params() - Initialize the flash's parameters and settings. + * spi_nor_init_flash_params() - Initialize the flash's parameters and settings. * @nor: pointer to a 'struct spi-nor'. * * The flash parameters and settings are initialized based on a sequence of @@ -4624,18 +4624,18 @@ static void spi_nor_late_init_params(struct spi_nor *nor) * * 1/ Default flash parameters initialization. The initializations are done * based on nor->info data: - * spi_nor_info_init_params() + * spi_nor_info_init_flash_params() * * which can be overwritten by: * 2/ Manufacturer flash parameters initialization. The initializations are * done based on MFR register, or when the decisions can not be done solely * based on MFR, by using specific flash_info tweeks, ->default_init(): - * spi_nor_manufacturer_init_params() + * spi_nor_manufacturer_init_flash_params() * * which can be overwritten by: * 3/ SFDP flash parameters initialization. JESD216 SFDP is a standard and * should be more accurate that the above. - * spi_nor_sfdp_init_params() + * spi_nor_sfdp_init_flash_params() * * Please note that there is a ->post_bfpt() fixup hook that can overwrite * the flash parameters and settings immediately after parsing the Basic @@ -4649,22 +4649,22 @@ static void spi_nor_late_init_params(struct spi_nor *nor) * spi_nor_post_sfdp_fixups() * * 5/ Late default flash parameters initialization, used when the - * ->default_init() hook or the SFDP parser do not set specific params. - * spi_nor_late_init_params() + * ->default_init() hook or the SFDP parser do not set specific flash params. + * spi_nor_late_init_flash_params() */ -static void spi_nor_init_params(struct spi_nor *nor) +static void spi_nor_init_flash_params(struct spi_nor *nor) { - spi_nor_info_init_params(nor); + spi_nor_info_init_flash_params(nor); - spi_nor_manufacturer_init_params(nor); + spi_nor_manufacturer_init_flash_params(nor); if ((nor->info->flags & (SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ)) && !(nor->info->flags & SPI_NOR_SKIP_SFDP)) - spi_nor_sfdp_init_params(nor); + spi_nor_sfdp_init_flash_params(nor); spi_nor_post_sfdp_fixups(nor); - spi_nor_late_init_params(nor); + spi_nor_late_init_flash_params(nor); } /** @@ -4675,14 +4675,14 @@ static void spi_nor_init_params(struct spi_nor *nor) */ static int spi_nor_quad_enable(struct spi_nor *nor) { - if (!nor->params.quad_enable) + if (!nor->flash.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 nor->flash.quad_enable(nor); } static int spi_nor_init(struct spi_nor *nor) @@ -4690,7 +4690,7 @@ static int spi_nor_init(struct spi_nor *nor) int err; if (nor->clear_sr_bp) { - if (nor->params.quad_enable == spansion_quad_enable) + if (nor->flash.quad_enable == spansion_quad_enable) nor->clear_sr_bp = spi_nor_spansion_clear_sr_bp; err = nor->clear_sr_bp(nor); @@ -4717,7 +4717,7 @@ static int spi_nor_init(struct spi_nor *nor) */ WARN_ONCE(nor->flags & SNOR_F_BROKEN_RESET, "enabling reset hack; may not recover from unexpected reboots\n"); - nor->params.set_4byte(nor, true); + nor->flash.set_4byte(nor, true); } return 0; @@ -4741,7 +4741,7 @@ void spi_nor_restore(struct spi_nor *nor) /* restore the addressing mode */ if (nor->addr_width == 4 && !(nor->flags & SNOR_F_4B_OPCODES) && nor->flags & SNOR_F_BROKEN_RESET) - nor->params.set_4byte(nor, false); + nor->flash.set_4byte(nor, false); } EXPORT_SYMBOL_GPL(spi_nor_restore); @@ -4841,7 +4841,7 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, struct device *dev = nor->dev; struct mtd_info *mtd = &nor->mtd; struct device_node *np = spi_nor_get_flash_node(nor); - struct spi_nor_flash_parameter *params = &nor->params; + struct spi_nor_flash_parameter *flash = &nor->flash; int ret; int i; @@ -4900,7 +4900,7 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, nor->clear_sr_bp = spi_nor_clear_sr_bp; /* Init flash parameters based on flash_info struct and SFDP */ - spi_nor_init_params(nor); + spi_nor_init_flash_params(nor); if (!mtd->name) mtd->name = dev_name(dev); @@ -4908,12 +4908,12 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, mtd->type = MTD_NORFLASH; mtd->writesize = 1; mtd->flags = MTD_CAP_NORFLASH; - mtd->size = params->size; + mtd->size = flash->size; mtd->_erase = spi_nor_erase; mtd->_read = spi_nor_read; mtd->_resume = spi_nor_resume; - if (nor->params.locking_ops) { + if (nor->flash.locking_ops) { mtd->_lock = spi_nor_lock; mtd->_unlock = spi_nor_unlock; mtd->_is_locked = spi_nor_is_locked; @@ -4938,7 +4938,7 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, mtd->flags |= MTD_NO_ERASE; mtd->dev.parent = dev; - nor->page_size = params->page_size; + nor->page_size = flash->page_size; mtd->writebufsize = nor->page_size; if (of_property_read_bool(np, "broken-flash-reset")) diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h index d1d736d3c8ab..12961b157743 100644 --- a/include/linux/mtd/spi-nor.h +++ b/include/linux/mtd/spi-nor.h @@ -580,10 +580,10 @@ struct flash_info; * @controller_ops: SPI NOR controller driver specific operations. * @clear_sr_bp: [FLASH-SPECIFIC] clears the Block Protection Bits from * the SPI NOR Status Register. - * @params: [FLASH-SPECIFIC] SPI-NOR flash parameters and settings. - * The structure includes legacy flash parameters and - * settings that can be overwritten by the spi_nor_fixups - * hooks, or dynamically when parsing the SFDP tables. + * @flash: SPI-NOR flash parameters and settings. The structure + * includes default flash parameters and settings that can + * be overwritten by the spi_nor_fixups hooks, or + * dynamically when parsing the SFDP tables. * @priv: the private data */ struct spi_nor { @@ -609,7 +609,7 @@ struct spi_nor { const struct spi_nor_controller_ops *controller_ops; int (*clear_sr_bp)(struct spi_nor *nor); - struct spi_nor_flash_parameter params; + struct spi_nor_flash_parameter flash; void *priv; }; @@ -640,7 +640,7 @@ spi_nor_region_mark_overlay(struct spi_nor_erase_region *region) static bool __maybe_unused spi_nor_has_uniform_erase(const struct spi_nor *nor) { - return !!nor->params.erase_map.uniform_erase_type; + return !!nor->flash.erase_map.uniform_erase_type; } static inline void spi_nor_set_flash_node(struct spi_nor *nor, -- 2.9.5
