71 #define cl_data_to_dev(client_data) ishtp_device((client_data)->cl_device)  argument
141 	struct ishtp_cl_data *client_data =  in ish_evt_handler()  local
143 	struct cros_ec_device *ec_dev = client_data->ec_dev;  in ish_evt_handler()
164 static int ish_send(struct ishtp_cl_data *client_data,  in ish_send()  argument
171 	struct ishtp_cl *cros_ish_cl = client_data->cros_ish_cl;  in ish_send()
173 	dev_dbg(cl_data_to_dev(client_data),  in ish_send()
178 	client_data->response.data = in_msg;  in ish_send()
179 	client_data->response.max_size = in_size;  in ish_send()
180 	client_data->response.error = 0;  in ish_send()
181 	client_data->response.token = next_token++;  in ish_send()
182 	client_data->response.received = false;  in ish_send()
184 	out_hdr->token = client_data->response.token;  in ish_send()
188 		dev_err(cl_data_to_dev(client_data),  in ish_send()
193 	wait_event_interruptible_timeout(client_data->response.wait_queue,  in ish_send()
194 					 client_data->response.received,  in ish_send()
196 	if (!client_data->response.received) {  in ish_send()
197 		dev_err(cl_data_to_dev(client_data),  in ish_send()
202 	if (client_data->response.error < 0)  in ish_send()
203 		return client_data->response.error;  in ish_send()
205 	return client_data->response.size;  in ish_send()
222 	struct ishtp_cl_data *client_data =  in process_recv()  local
224 	struct device *dev = cl_data_to_dev(client_data);  in process_recv()
243 		client_data->response.error = -EBADMSG;  in process_recv()
250 		client_data->response.error = -EMSGSIZE;  in process_recv()
259 		if (client_data->response.received) {  in process_recv()
265 		if (client_data->response.token != in_msg->hdr.token) {  in process_recv()
273 		if (!client_data->response.data) {  in process_recv()
276 			client_data->response.error = -EINVAL;  in process_recv()
280 		if (data_len > client_data->response.max_size) {  in process_recv()
283 				data_len, client_data->response.max_size);  in process_recv()
284 			client_data->response.error = -EMSGSIZE;  in process_recv()
291 			client_data->response.error = -EIO;  in process_recv()
296 		client_data->response.size = data_len;  in process_recv()
302 		memcpy(client_data->response.data,  in process_recv()
311 		client_data->response.received = true;  in process_recv()
314 		wake_up_interruptible(&client_data->response.wait_queue);  in process_recv()
326 		client_data->ec_dev->last_event_time = timestamp;  in process_recv()
327 		schedule_work(&client_data->work_ec_evt);  in process_recv()
381 	struct ishtp_cl_data *client_data = ishtp_get_client_data(cros_ish_cl);  in cros_ish_init()  local
385 		dev_err(cl_data_to_dev(client_data),  in cros_ish_init()
398 		dev_err(cl_data_to_dev(client_data),  in cros_ish_init()
410 		dev_err(cl_data_to_dev(client_data),  in cros_ish_init()
415 	ishtp_register_event_cb(client_data->cl_device, ish_event_cb);  in cros_ish_init()
490 	struct ishtp_cl_data *client_data = ishtp_get_client_data(cros_ish_cl);  in cros_ec_pkt_xfer_ish()  local
491 	struct device *dev = cl_data_to_dev(client_data);  in cros_ec_pkt_xfer_ish()
537 	rv = ish_send(client_data,  in cros_ec_pkt_xfer_ish()
565 static int cros_ec_dev_init(struct ishtp_cl_data *client_data)  in cros_ec_dev_init()  argument
568 	struct device *dev = cl_data_to_dev(client_data);  in cros_ec_dev_init()
574 	client_data->ec_dev = ec_dev;  in cros_ec_dev_init()
578 	ec_dev->priv = client_data->cros_ish_cl;  in cros_ec_dev_init()
595 	struct ishtp_cl_data *client_data =  in reset_handler()  local
601 	cros_ish_cl = client_data->cros_ish_cl;  in reset_handler()
602 	cl_device = client_data->cl_device;  in reset_handler()
616 	ishtp_set_client_data(cros_ish_cl, client_data);  in reset_handler()
617 	client_data->cros_ish_cl = cros_ish_cl;  in reset_handler()
622 		dev_err(cl_data_to_dev(client_data), "Reset Failed\n");  in reset_handler()
628 	client_data->ec_dev->priv = client_data->cros_ish_cl;  in reset_handler()
629 	dev = cl_data_to_dev(client_data);  in reset_handler()
630 	dev->driver_data = client_data->ec_dev;  in reset_handler()
632 	dev_info(cl_data_to_dev(client_data), "Chrome EC ISH reset done\n");  in reset_handler()
647 	struct ishtp_cl_data *client_data =  in cros_ec_ishtp_probe()  local
649 			     sizeof(*client_data), GFP_KERNEL);  in cros_ec_ishtp_probe()
650 	if (!client_data)  in cros_ec_ishtp_probe()
663 	ishtp_set_client_data(cros_ish_cl, client_data);  in cros_ec_ishtp_probe()
664 	client_data->cros_ish_cl = cros_ish_cl;  in cros_ec_ishtp_probe()
665 	client_data->cl_device = cl_device;  in cros_ec_ishtp_probe()
667 	init_waitqueue_head(&client_data->response.wait_queue);  in cros_ec_ishtp_probe()
669 	INIT_WORK(&client_data->work_ishtp_reset,  in cros_ec_ishtp_probe()
671 	INIT_WORK(&client_data->work_ec_evt,  in cros_ec_ishtp_probe()
683 	rv = cros_ec_dev_init(client_data);  in cros_ec_ishtp_probe()
713 	struct ishtp_cl_data *client_data = ishtp_get_client_data(cros_ish_cl);  in cros_ec_ishtp_remove()  local
715 	cancel_work_sync(&client_data->work_ishtp_reset);  in cros_ec_ishtp_remove()
716 	cancel_work_sync(&client_data->work_ec_evt);  in cros_ec_ishtp_remove()
732 	struct ishtp_cl_data *client_data = ishtp_get_client_data(cros_ish_cl);  in cros_ec_ishtp_reset()  local
734 	schedule_work(&client_data->work_ishtp_reset);  in cros_ec_ishtp_reset()
749 	struct ishtp_cl_data *client_data = ishtp_get_client_data(cros_ish_cl);  in cros_ec_ishtp_suspend()  local
751 	return cros_ec_suspend(client_data->ec_dev);  in cros_ec_ishtp_suspend()
764 	struct ishtp_cl_data *client_data = ishtp_get_client_data(cros_ish_cl);  in cros_ec_ishtp_resume()  local
766 	return cros_ec_resume(client_data->ec_dev);  in cros_ec_ishtp_resume()