88  * struct response_info - Encapsulate firmware response related
97  * @token: Expected token for response that we are waiting on.
98  * @received: Set to true on receiving a valid firmware	response to host command
99  * @wait_queue: Wait queue for host to wait for firmware response.
116  * @response: Response info passing between ish_send() and process_recv().
128 	 * Used for passing firmware response information between
131 	struct response_info response;  member
176 	/* Setup for incoming response */  in ish_send()
177 	client_data->response.data = in_msg;  in ish_send()
178 	client_data->response.max_size = in_size;  in ish_send()
179 	client_data->response.error = 0;  in ish_send()
180 	client_data->response.token = next_token++;  in ish_send()
181 	client_data->response.received = false;  in ish_send()
183 	out_hdr->token = client_data->response.token;  in ish_send()
192 	wait_event_interruptible_timeout(client_data->response.wait_queue,  in ish_send()
193 					 client_data->response.received,  in ish_send()
195 	if (!client_data->response.received) {  in ish_send()
197 			"Timed out for response to host message\n");  in ish_send()
201 	if (client_data->response.error < 0)  in ish_send()
202 		return client_data->response.error;  in ish_send()
204 	return client_data->response.size;  in ish_send()
213  * Parse the incoming packet. If it is a response packet then it will
215  * response. If it is an event packet then it will schedule event work.
242 		client_data->response.error = -EBADMSG;  in process_recv()
249 		client_data->response.error = -EMSGSIZE;  in process_recv()
258 		if (client_data->response.received) {  in process_recv()
264 		if (client_data->response.token != in_msg->hdr.token) {  in process_recv()
266 					    "Dropping old response token %d\n",  in process_recv()
272 		if (!client_data->response.data) {  in process_recv()
275 			client_data->response.error = -EINVAL;  in process_recv()
279 		if (data_len > client_data->response.max_size) {  in process_recv()
282 				data_len, client_data->response.max_size);  in process_recv()
283 			client_data->response.error = -EMSGSIZE;  in process_recv()
290 			client_data->response.error = -EIO;  in process_recv()
295 		client_data->response.size = data_len;  in process_recv()
298 		 * Copy the buffer received in firmware response for the  in process_recv()
301 		memcpy(client_data->response.data,  in process_recv()
310 		client_data->response.received = true;  in process_recv()
313 		wake_up_interruptible(&client_data->response.wait_queue);  in process_recv()
456 	/* Check response error code */  in prepare_cros_ec_rx()
468 	/* Copy response packet payload and compute checksum */  in prepare_cros_ec_rx()
537 	/* Send command to ISH EC firmware and read response */  in cros_ec_pkt_xfer_ish()
668 	init_waitqueue_head(&client_data->response.wait_queue);  in cros_ec_ishtp_probe()