33 static bool write_range_is_valid(off_t offset, uint32_t size);
34 static bool read_range_is_valid(off_t offset, uint32_t size);
35 static int erase_flash_block(off_t offset, size_t size);
38 static int flash_gecko_read(const struct device *dev, off_t offset,  in flash_gecko_read()  argument
42 	if (!read_range_is_valid(offset, size)) {  in flash_gecko_read()
50 	memcpy(data, (uint8_t *)CONFIG_FLASH_BASE_ADDRESS + offset, size);  in flash_gecko_read()
55 static int flash_gecko_write(const struct device *dev, off_t offset,  in flash_gecko_write()  argument
63 	if (!write_range_is_valid(offset, size)) {  in flash_gecko_write()
74 	address = (uint8_t *)CONFIG_FLASH_BASE_ADDRESS + offset;  in flash_gecko_write()
86 static int flash_gecko_erase(const struct device *dev, off_t offset,  in flash_gecko_erase()  argument
92 	if (!read_range_is_valid(offset, size)) {  in flash_gecko_erase()
96 	if ((offset % FLASH_PAGE_SIZE) != 0) {  in flash_gecko_erase()
97 		LOG_ERR("offset 0x%lx: not on a page boundary", (long)offset);  in flash_gecko_erase()
113 	ret = erase_flash_block(offset, size);  in flash_gecko_erase()
140 static bool write_range_is_valid(off_t offset, uint32_t size)  in write_range_is_valid()  argument
142 	return read_range_is_valid(offset, size)  in write_range_is_valid()
143 		&& (offset % sizeof(uint32_t) == 0)  in write_range_is_valid()
147 static bool read_range_is_valid(off_t offset, uint32_t size)  in read_range_is_valid()  argument
149 	return (offset + size) <= (CONFIG_FLASH_SIZE * 1024);  in read_range_is_valid()
152 static int erase_flash_block(off_t offset, size_t size)  in erase_flash_block()  argument
158 	for (off_t tmp = offset; tmp < offset + size; tmp += FLASH_PAGE_SIZE) {  in erase_flash_block()