208 	u8 req[4];  in atsha204a_wakeup()  local
217 		memset(req, 0, 4);  in atsha204a_wakeup()
218 		res = atsha204a_send(dev, req, 4);  in atsha204a_wakeup()
248 	u8 req = ATSHA204A_FUNC_IDLE;  in atsha204a_idle()  local
250 	res = atsha204a_send(dev, &req, 1);  in atsha204a_idle()
259 	u8 req = ATSHA204A_FUNC_IDLE;  in atsha204a_sleep()  local
261 	res = atsha204a_send(dev, &req, 1);  in atsha204a_sleep()
267 static int atsha204a_transaction(struct udevice *dev, struct atsha204a_req *req,  in atsha204a_transaction()  argument
272 	res = atsha204a_send(dev, (u8 *) req, req->length + 1);  in atsha204a_transaction()
298 static void atsha204a_req_crc32(struct atsha204a_req *req)  in atsha204a_req_crc32()  argument
300 	u8 *p = (u8 *) req;  in atsha204a_req_crc32()
302 	u16 *crc_ptr = (u16 *) &p[req->length - 1];  in atsha204a_req_crc32()
305 	computed_crc = atsha204a_crc16(p + 1, req->length - 2);  in atsha204a_req_crc32()
314 	struct atsha204a_req req;  in atsha204a_read()  local
317 	req.function = ATSHA204A_FUNC_COMMAND;  in atsha204a_read()
318 	req.length = 7;  in atsha204a_read()
319 	req.command = ATSHA204A_CMD_READ;  in atsha204a_read()
321 	req.param1 = (u8) zone;  in atsha204a_read()
323 		req.param1 |= 0x80;  in atsha204a_read()
325 	req.param2 = cpu_to_le16(addr);  in atsha204a_read()
327 	atsha204a_req_crc32(&req);  in atsha204a_read()
330 		res = atsha204a_transaction(dev, &req, &resp);  in atsha204a_read()
358 	struct atsha204a_req req;  in atsha204a_get_random()  local
361 	req.function = ATSHA204A_FUNC_COMMAND;  in atsha204a_get_random()
362 	req.length = 7;  in atsha204a_get_random()
363 	req.command = ATSHA204A_CMD_RANDOM;  in atsha204a_get_random()
365 	req.param1 = 1;  in atsha204a_get_random()
366 	req.param2 = 0;  in atsha204a_get_random()
369 	req.data[0] = 0x27;  in atsha204a_get_random()
370 	req.data[1] = 0x47;  in atsha204a_get_random()
372 	res = atsha204a_transaction(dev, &req, &resp);  in atsha204a_get_random()