SPI flash API cleanup, add async erase capability. (#23894)
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					 5 changed files with 182 additions and 77 deletions
				
			
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			@ -58,7 +58,7 @@ bool backing_store_read(uint32_t address, backing_store_int_t *value) {
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bool backing_store_read_bulk(uint32_t address, backing_store_int_t *values, size_t item_count) {
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    bs_dprintf("Read  ");
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    uint32_t       offset = (WEAR_LEVELING_EXTERNAL_FLASH_BLOCK_OFFSET) * (EXTERNAL_FLASH_BLOCK_SIZE) + address;
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    flash_status_t status = flash_read_block(offset, values, sizeof(backing_store_int_t) * item_count);
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    flash_status_t status = flash_read_range(offset, values, sizeof(backing_store_int_t) * item_count);
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    if (status == FLASH_STATUS_SUCCESS) {
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        for (size_t i = 0; i < item_count; ++i) {
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            values[i] = ~values[i];
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			@ -88,7 +88,7 @@ bool backing_store_write_bulk(uint32_t address, backing_store_int_t *values, siz
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        }
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        // Write out the block
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        if (flash_write_block(offset, temp, sizeof(backing_store_int_t) * this_loop) != FLASH_STATUS_SUCCESS) {
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        if (flash_write_range(offset, temp, sizeof(backing_store_int_t) * this_loop) != FLASH_STATUS_SUCCESS) {
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            return false;
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        }
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