fw_chunk
const void *fw_chunk;
fw_chunk = wdt87xx_get_fw_chunk(fw, CHUNK_ID_FRWR);
if (!fw_chunk) {
fw_chip_id = (get_unaligned_le32(fw_chunk +
struct fw_chunk *chunk;
chunk = (struct fw_chunk *)(data + offset);
offset += sizeof(struct fw_chunk);