diff options
Diffstat (limited to 'drivers/mtd/spi-nor/sfdp.c')
| -rw-r--r-- | drivers/mtd/spi-nor/sfdp.c | 72 |
1 files changed, 27 insertions, 45 deletions
diff --git a/drivers/mtd/spi-nor/sfdp.c b/drivers/mtd/spi-nor/sfdp.c index 25142ec4737b..23c28e91f698 100644 --- a/drivers/mtd/spi-nor/sfdp.c +++ b/drivers/mtd/spi-nor/sfdp.c @@ -405,8 +405,6 @@ static void spi_nor_regions_sort_erase_types(struct spi_nor_erase_map *map) * @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 - * filled * * The Basic Flash Parameter Table is the main and only mandatory table as * defined by the SFDP (JESD216) specification. @@ -431,9 +429,9 @@ static void spi_nor_regions_sort_erase_types(struct spi_nor_erase_map *map) * Return: 0 on success, -errno otherwise. */ static int spi_nor_parse_bfpt(struct spi_nor *nor, - const struct sfdp_parameter_header *bfpt_header, - struct spi_nor_flash_parameter *params) + const struct sfdp_parameter_header *bfpt_header) { + struct spi_nor_flash_parameter *params = nor->params; struct spi_nor_erase_map *map = ¶ms->erase_map; struct spi_nor_erase_type *erase_type = map->erase_type; struct sfdp_bfpt bfpt; @@ -552,8 +550,7 @@ 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_JESD216) - return spi_nor_post_bfpt_fixups(nor, bfpt_header, &bfpt, - params); + return spi_nor_post_bfpt_fixups(nor, bfpt_header, &bfpt); /* Page size: this field specifies 'N' so the page size = 2^N bytes. */ val = bfpt.dwords[BFPT_DWORD(11)]; @@ -614,8 +611,8 @@ static int spi_nor_parse_bfpt(struct spi_nor *nor, /* Stop here if not JESD216 rev C or later. */ if (bfpt_header->length == BFPT_DWORD_MAX_JESD216B) - return spi_nor_post_bfpt_fixups(nor, bfpt_header, &bfpt, - params); + return spi_nor_post_bfpt_fixups(nor, bfpt_header, &bfpt); + /* 8D-8D-8D command extension. */ switch (bfpt.dwords[BFPT_DWORD(18)] & BFPT_DWORD18_CMD_EXT_MASK) { case BFPT_DWORD18_CMD_EXT_REP: @@ -635,7 +632,7 @@ static int spi_nor_parse_bfpt(struct spi_nor *nor, return -EOPNOTSUPP; } - return spi_nor_post_bfpt_fixups(nor, bfpt_header, &bfpt, params); + return spi_nor_post_bfpt_fixups(nor, bfpt_header, &bfpt); } /** @@ -800,18 +797,14 @@ 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 - * used for storing SFDP parsed data * @smpt: pointer to the sector map parameter table * * Return: 0 on success, -errno otherwise. */ -static int -spi_nor_init_non_uniform_erase_map(struct spi_nor *nor, - struct spi_nor_flash_parameter *params, - const u32 *smpt) +static int spi_nor_init_non_uniform_erase_map(struct spi_nor *nor, + const u32 *smpt) { - struct spi_nor_erase_map *map = ¶ms->erase_map; + struct spi_nor_erase_map *map = &nor->params->erase_map; struct spi_nor_erase_type *erase = map->erase_type; struct spi_nor_erase_region *region; u64 offset; @@ -889,8 +882,6 @@ 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' - * that is used for storing SFDP parsed data * * This table is optional, but when available, we parse it to identify the * location and size of sectors within the main data array of the flash memory @@ -899,8 +890,7 @@ spi_nor_init_non_uniform_erase_map(struct spi_nor *nor, * Return: 0 on success, -errno otherwise. */ static int spi_nor_parse_smpt(struct spi_nor *nor, - const struct sfdp_parameter_header *smpt_header, - struct spi_nor_flash_parameter *params) + const struct sfdp_parameter_header *smpt_header) { const u32 *sector_map; u32 *smpt; @@ -928,11 +918,11 @@ 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, sector_map); if (ret) goto out; - spi_nor_regions_sort_erase_types(¶ms->erase_map); + spi_nor_regions_sort_erase_types(&nor->params->erase_map); /* fall through */ out: kfree(smpt); @@ -944,13 +934,11 @@ out: * @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. * * 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) + const struct sfdp_parameter_header *param_header) { static const struct sfdp_4bait reads[] = { { SNOR_HWCAPS_READ, BIT(0) }, @@ -974,6 +962,7 @@ 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_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; @@ -1130,13 +1119,11 @@ out: * @nor: pointer to a 'struct spi_nor' * @profile1_header: pointer to the 'struct sfdp_parameter_header' describing * the Profile 1.0 Table length and version. - * @params: pointer to the 'struct spi_nor_flash_parameter' to be. * * Return: 0 on success, -errno otherwise. */ static int spi_nor_parse_profile1(struct spi_nor *nor, - const struct sfdp_parameter_header *profile1_header, - struct spi_nor_flash_parameter *params) + const struct sfdp_parameter_header *profile1_header) { u32 *dwords, addr; size_t len; @@ -1160,14 +1147,14 @@ static int spi_nor_parse_profile1(struct spi_nor *nor, /* Set the Read Status Register dummy cycles and dummy address bytes. */ if (dwords[0] & PROFILE1_DWORD1_RDSR_DUMMY) - params->rdsr_dummy = 8; + nor->params->rdsr_dummy = 8; else - params->rdsr_dummy = 4; + nor->params->rdsr_dummy = 4; if (dwords[0] & PROFILE1_DWORD1_RDSR_ADDR_BYTES) - params->rdsr_addr_nbytes = 4; + nor->params->rdsr_addr_nbytes = 4; else - params->rdsr_addr_nbytes = 0; + nor->params->rdsr_addr_nbytes = 0; /* * We don't know what speed the controller is running at. Find the @@ -1193,7 +1180,7 @@ static int spi_nor_parse_profile1(struct spi_nor *nor, dummy = round_up(dummy, 2); /* Update the fast read settings. */ - spi_nor_set_read_settings(¶ms->reads[SNOR_CMD_READ_8_8_8_DTR], + spi_nor_set_read_settings(&nor->params->reads[SNOR_CMD_READ_8_8_8_DTR], 0, dummy, opcode, SNOR_PROTO_8_8_8_DTR); @@ -1210,13 +1197,11 @@ out: * @nor: pointer to a 'struct spi_nor' * @sccr_header: pointer to the 'struct sfdp_parameter_header' describing * the SCCR Map table length and version. - * @params: pointer to the 'struct spi_nor_flash_parameter' to be. * * Return: 0 on success, -errno otherwise. */ static int spi_nor_parse_sccr(struct spi_nor *nor, - const struct sfdp_parameter_header *sccr_header, - struct spi_nor_flash_parameter *params) + const struct sfdp_parameter_header *sccr_header) { u32 *dwords, addr; size_t len; @@ -1245,8 +1230,6 @@ out: /** * 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 - * filled * * The Serial Flash Discoverable Parameters are described by the JEDEC JESD216 * specification. This is a standard which tends to supported by almost all @@ -1256,8 +1239,7 @@ out: * * Return: 0 on success, -errno otherwise. */ -int spi_nor_parse_sfdp(struct spi_nor *nor, - struct spi_nor_flash_parameter *params) +int spi_nor_parse_sfdp(struct spi_nor *nor) { const struct sfdp_parameter_header *param_header, *bfpt_header; struct sfdp_parameter_header *param_headers = NULL; @@ -1326,7 +1308,7 @@ 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); if (err) goto exit; @@ -1336,19 +1318,19 @@ 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); break; case SFDP_4BAIT_ID: - err = spi_nor_parse_4bait(nor, param_header, params); + err = spi_nor_parse_4bait(nor, param_header); break; case SFDP_PROFILE1_ID: - err = spi_nor_parse_profile1(nor, param_header, params); + err = spi_nor_parse_profile1(nor, param_header); break; case SFDP_SCCR_MAP_ID: - err = spi_nor_parse_sccr(nor, param_header, params); + err = spi_nor_parse_sccr(nor, param_header); break; default: |