195 	int ret;  in mox_get_board_info()  local
198 	ret = mbox_send_message(rwtm->mbox, &msg);  in mox_get_board_info()
199 	if (ret < 0)  in mox_get_board_info()
200 		return ret;  in mox_get_board_info()
202 	ret = wait_for_completion_timeout(&rwtm->cmd_done, HZ / 2);  in mox_get_board_info()
203 	if (ret < 0)  in mox_get_board_info()
204 		return ret;  in mox_get_board_info()
206 	ret = mox_get_status(MBOX_CMD_BOARD_INFO, reply->retval);  in mox_get_board_info()
207 	if (ret == -ENODATA) {  in mox_get_board_info()
210 	} else if (ret == -ENOSYS) {  in mox_get_board_info()
213 	} else if (ret < 0) {  in mox_get_board_info()
214 		return ret;  in mox_get_board_info()
234 	ret = mbox_send_message(rwtm->mbox, &msg);  in mox_get_board_info()
235 	if (ret < 0)  in mox_get_board_info()
236 		return ret;  in mox_get_board_info()
238 	ret = wait_for_completion_timeout(&rwtm->cmd_done, HZ / 2);  in mox_get_board_info()
239 	if (ret < 0)  in mox_get_board_info()
240 		return ret;  in mox_get_board_info()
242 	ret = mox_get_status(MBOX_CMD_ECDSA_PUB_KEY, reply->retval);  in mox_get_board_info()
243 	if (ret == -ENODATA) {  in mox_get_board_info()
245 	} else if (ret == -ENOSYS) {  in mox_get_board_info()
248 	} else if (ret < 0) {  in mox_get_board_info()
249 		return ret;  in mox_get_board_info()
256 			ret, s[0], s[1], s[2], s[3], s[4], s[5], s[6], s[7],  in mox_get_board_info()
266 	int ret;  in check_get_random_support()  local
273 	ret = mbox_send_message(rwtm->mbox, &msg);  in check_get_random_support()
274 	if (ret < 0)  in check_get_random_support()
275 		return ret;  in check_get_random_support()
277 	ret = wait_for_completion_timeout(&rwtm->cmd_done, HZ / 2);  in check_get_random_support()
278 	if (ret < 0)  in check_get_random_support()
279 		return ret;  in check_get_random_support()
288 	int ret;  in mox_hwrng_read()  local
305 	ret = mbox_send_message(rwtm->mbox, &msg);  in mox_hwrng_read()
306 	if (ret < 0)  in mox_hwrng_read()
309 	ret = wait_for_completion_interruptible(&rwtm->cmd_done);  in mox_hwrng_read()
310 	if (ret < 0)  in mox_hwrng_read()
313 	ret = mox_get_status(MBOX_CMD_GET_RANDOM, rwtm->reply.retval);  in mox_hwrng_read()
314 	if (ret < 0)  in mox_hwrng_read()
318 	ret = max;  in mox_hwrng_read()
322 	return ret;  in mox_hwrng_read()
337 	ssize_t ret;  in do_sign_read()  local
350 	ret = simple_read_from_buffer(buf, len, ppos, rwtm->last_sig, 136);  in do_sign_read()
353 	return ret;  in do_sign_read()
363 	ssize_t ret;  in do_sign_write()  local
388 	ret = simple_write_to_buffer(rwtm->buf + 4, 64, &dummy, buf, len);  in do_sign_write()
389 	if (ret < 0)  in do_sign_write()
398 	ret = mbox_send_message(rwtm->mbox, &msg);  in do_sign_write()
399 	if (ret < 0)  in do_sign_write()
402 	ret = wait_for_completion_interruptible(&rwtm->cmd_done);  in do_sign_write()
403 	if (ret < 0)  in do_sign_write()
406 	ret = MBOX_STS_VALUE(reply->retval);  in do_sign_write()
423 	return ret;  in do_sign_write()
475 	int ret;  in turris_mox_rwtm_probe()  local
487 	ret = mox_kobj_create(rwtm);  in turris_mox_rwtm_probe()
488 	if (ret < 0) {  in turris_mox_rwtm_probe()
490 		return ret;  in turris_mox_rwtm_probe()
493 	ret = sysfs_create_files(rwtm_to_kobj(rwtm), mox_rwtm_attrs);  in turris_mox_rwtm_probe()
494 	if (ret < 0) {  in turris_mox_rwtm_probe()
508 		ret = PTR_ERR(rwtm->mbox);  in turris_mox_rwtm_probe()
509 		if (ret != -EPROBE_DEFER)  in turris_mox_rwtm_probe()
511 				ret);  in turris_mox_rwtm_probe()
517 	ret = mox_get_board_info(rwtm);  in turris_mox_rwtm_probe()
518 	if (ret < 0)  in turris_mox_rwtm_probe()
519 		dev_warn(dev, "Cannot read board information: %i\n", ret);  in turris_mox_rwtm_probe()
521 	ret = check_get_random_support(rwtm);  in turris_mox_rwtm_probe()
522 	if (ret < 0) {  in turris_mox_rwtm_probe()
533 	ret = devm_hwrng_register(dev, &rwtm->hwrng);  in turris_mox_rwtm_probe()
534 	if (ret < 0) {  in turris_mox_rwtm_probe()
535 		dev_err(dev, "Cannot register HWRNG: %i\n", ret);  in turris_mox_rwtm_probe()
539 	ret = rwtm_register_debugfs(rwtm);  in turris_mox_rwtm_probe()
540 	if (ret < 0) {  in turris_mox_rwtm_probe()
541 		dev_err(dev, "Failed creating debugfs entries: %i\n", ret);  in turris_mox_rwtm_probe()
555 	return ret;  in turris_mox_rwtm_probe()