diff options
Diffstat (limited to 'drivers/mtd/spi-nor/core.h')
-rw-r--r-- | drivers/mtd/spi-nor/core.h | 30 |
1 files changed, 9 insertions, 21 deletions
diff --git a/drivers/mtd/spi-nor/core.h b/drivers/mtd/spi-nor/core.h index d36c0e072954..442786685515 100644 --- a/drivers/mtd/spi-nor/core.h +++ b/drivers/mtd/spi-nor/core.h @@ -240,27 +240,21 @@ struct spi_nor_erase_command { /** * struct spi_nor_erase_region - Structure to describe a SPI NOR erase region * @offset: the offset in the data array of erase region start. - * LSB bits are used as a bitmask encoding flags to - * determine if this region is overlaid, if this region is - * the last in the SPI NOR flash memory and to indicate - * all the supported erase commands inside this region. - * The erase types are sorted in ascending order with the - * smallest Erase Type size being at BIT(0). * @size: the size of the region in bytes. + * @erase_mask: bitmask to indicate all the supported erase commands + * inside this region. The erase types are sorted in + * ascending order with the smallest Erase Type size being + * at BIT(0). + * @overlaid: determine if this region is overlaid. */ struct spi_nor_erase_region { u64 offset; u64 size; + u8 erase_mask; + bool overlaid; }; #define SNOR_ERASE_TYPE_MAX 4 -#define SNOR_ERASE_TYPE_MASK GENMASK_ULL(SNOR_ERASE_TYPE_MAX - 1, 0) - -#define SNOR_LAST_REGION BIT(4) -#define SNOR_OVERLAID_REGION BIT(5) - -#define SNOR_ERASE_FLAGS_MAX 6 -#define SNOR_ERASE_FLAGS_MASK GENMASK_ULL(SNOR_ERASE_FLAGS_MAX - 1, 0) /** * struct spi_nor_erase_map - Structure to describe the SPI NOR erase map @@ -273,17 +267,13 @@ struct spi_nor_erase_region { * The erase types are sorted in ascending order, with the * smallest Erase Type size being the first member in the * erase_type array. - * @uniform_erase_type: bitmask encoding erase types that can erase the - * entire memory. This member is completed at init by - * uniform and non-uniform SPI NOR flash memories if they - * support at least one erase type that can erase the - * entire memory. + * @n_regions: number of erase regions. */ struct spi_nor_erase_map { struct spi_nor_erase_region *regions; struct spi_nor_erase_region uniform_region; struct spi_nor_erase_type erase_type[SNOR_ERASE_TYPE_MAX]; - u8 uniform_erase_type; + unsigned int n_regions; }; /** @@ -675,8 +665,6 @@ void spi_nor_set_pp_settings(struct spi_nor_pp_command *pp, u8 opcode, void spi_nor_set_erase_type(struct spi_nor_erase_type *erase, u32 size, u8 opcode); void spi_nor_mask_erase_type(struct spi_nor_erase_type *erase); -struct spi_nor_erase_region * -spi_nor_region_next(struct spi_nor_erase_region *region); void spi_nor_init_uniform_erase_map(struct spi_nor_erase_map *map, u8 erase_mask, u64 flash_size); |