diff options
| -rw-r--r-- | drivers/mtd/spi-nor/core.c | 6 | ||||
| -rw-r--r-- | drivers/mtd/spi-nor/core.h | 8 | ||||
| -rw-r--r-- | drivers/mtd/spi-nor/spansion.c | 3 | ||||
| -rw-r--r-- | drivers/mtd/spi-nor/swp.c | 6 |
4 files changed, 16 insertions, 7 deletions
diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c index c84be791341e..368851ff9f40 100644 --- a/drivers/mtd/spi-nor/core.c +++ b/drivers/mtd/spi-nor/core.c @@ -2756,7 +2756,8 @@ static void spi_nor_no_sfdp_init_params(struct spi_nor *nor) { struct spi_nor_flash_parameter *params = nor->params; struct spi_nor_erase_map *map = ¶ms->erase_map; - const u8 no_sfdp_flags = nor->info->no_sfdp_flags; + const struct flash_info *info = nor->info; + const u8 no_sfdp_flags = info->no_sfdp_flags; u8 i, erase_mask; if (no_sfdp_flags & SPI_NOR_DUAL_READ) { @@ -2810,7 +2811,8 @@ static void spi_nor_no_sfdp_init_params(struct spi_nor *nor) i++; } erase_mask |= BIT(i); - spi_nor_set_erase_type(&map->erase_type[i], nor->info->sector_size, + spi_nor_set_erase_type(&map->erase_type[i], + info->sector_size ?: SPI_NOR_DEFAULT_SECTOR_SIZE, SPINOR_OP_SE); spi_nor_init_uniform_erase_map(map, erase_mask, params->size); } diff --git a/drivers/mtd/spi-nor/core.h b/drivers/mtd/spi-nor/core.h index 8627d0b95be6..fba3ea8536a5 100644 --- a/drivers/mtd/spi-nor/core.h +++ b/drivers/mtd/spi-nor/core.h @@ -16,6 +16,7 @@ */ #define SPI_NOR_DEFAULT_PAGE_SIZE 256 #define SPI_NOR_DEFAULT_N_BANKS 1 +#define SPI_NOR_DEFAULT_SECTOR_SIZE SZ_64K /* Standard SPI NOR flash operations. */ #define SPI_NOR_READID_OP(naddr, ndummy, buf, len) \ @@ -452,8 +453,9 @@ struct spi_nor_fixups { * JEDIC ID. JEDEC ID zero means "no ID" (mostly older chips). * @id_len: the number of bytes of ID. * @size: the size of the flash in bytes. - * @sector_size: the size listed here is what works with SPINOR_OP_SE, which - * isn't necessarily called a "sector" by the vendor. + * @sector_size: (optional) the size listed here is what works with + * SPINOR_OP_SE, which isn't necessarily called a "sector" by + * the vendor. Defaults to 64k. * @n_banks: (optional) the number of banks. Defaults to 1. * @page_size: (optional) the flash's page size. Defaults to 256. * @addr_nbytes: number of address bytes to send. @@ -565,7 +567,7 @@ struct flash_info { #define SPI_NOR_GEOMETRY(_sector_size, _n_sectors, _n_banks) \ .size = (_sector_size) * (_n_sectors), \ - .sector_size = (_sector_size), \ + .sector_size = (_sector_size == SZ_64K) ? 0 : (_sector_size), \ .n_banks = (_n_banks) /* Used when the "_ext_id" is two bytes at most */ diff --git a/drivers/mtd/spi-nor/spansion.c b/drivers/mtd/spi-nor/spansion.c index 709822fced86..ec3172ff5baf 100644 --- a/drivers/mtd/spi-nor/spansion.c +++ b/drivers/mtd/spi-nor/spansion.c @@ -956,7 +956,8 @@ static int spansion_nor_late_init(struct spi_nor *nor) nor->flags |= SNOR_F_4B_OPCODES; /* No small sector erase for 4-byte command set */ nor->erase_opcode = SPINOR_OP_SE; - nor->mtd.erasesize = nor->info->sector_size; + nor->mtd.erasesize = nor->info->sector_size ?: + SPI_NOR_DEFAULT_SECTOR_SIZE; } if (mfr_flags & (USE_CLSR | USE_CLPEF)) { diff --git a/drivers/mtd/spi-nor/swp.c b/drivers/mtd/spi-nor/swp.c index 40bf52867095..585813310ee1 100644 --- a/drivers/mtd/spi-nor/swp.c +++ b/drivers/mtd/spi-nor/swp.c @@ -34,7 +34,11 @@ static u8 spi_nor_get_sr_tb_mask(struct spi_nor *nor) static u64 spi_nor_get_min_prot_length_sr(struct spi_nor *nor) { unsigned int bp_slots, bp_slots_needed; - unsigned int sector_size = nor->info->sector_size; + /* + * sector_size will eventually be replaced with the max erase size of + * 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); u8 mask = spi_nor_get_sr_bp_mask(nor); |