1 files changed, 9 insertions, 21 deletions

diff --git a/drivers/mtd/spi-nor/core.h b/drivers/mtd/spi-nor/core.h
index d36c0e072..442786685 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);