156 static int open_session(struct scmi_optee_agent *agent, u32 *tee_session)  in open_session()  argument
158 	struct device *dev = agent->dev;  in open_session()
166 	ret = tee_client_open_session(agent->tee_ctx, &arg, NULL);  in open_session()
177 static void close_session(struct scmi_optee_agent *agent, u32 tee_session)  in close_session()  argument
179 	tee_client_close_session(agent->tee_ctx, tee_session);  in close_session()
182 static int get_capabilities(struct scmi_optee_agent *agent)  in get_capabilities()  argument
190 	ret = open_session(agent, &tee_session);  in get_capabilities()
200 	ret = tee_client_invoke_func(agent->tee_ctx, &arg, param);  in get_capabilities()
202 	close_session(agent, tee_session);  in get_capabilities()
205 		dev_err(agent->dev, "Can't get capabilities: %d / %#x\n", ret, arg.ret);  in get_capabilities()
212 		dev_err(agent->dev, "OP-TEE SCMI PTA doesn't support SMT and MSG\n");  in get_capabilities()
216 	agent->caps = caps;  in get_capabilities()
553 	struct scmi_optee_agent *agent;  in scmi_optee_service_probe()  local
567 	agent = devm_kzalloc(dev, sizeof(*agent), GFP_KERNEL);  in scmi_optee_service_probe()
568 	if (!agent) {  in scmi_optee_service_probe()
573 	agent->dev = dev;  in scmi_optee_service_probe()
574 	agent->tee_ctx = tee_ctx;  in scmi_optee_service_probe()
575 	INIT_LIST_HEAD(&agent->channel_list);  in scmi_optee_service_probe()
576 	mutex_init(&agent->mu);  in scmi_optee_service_probe()
578 	ret = get_capabilities(agent);  in scmi_optee_service_probe()
584 	scmi_optee_private = agent;  in scmi_optee_service_probe()
596 	struct scmi_optee_agent *agent = scmi_optee_private;  in scmi_optee_service_remove()  local
607 	tee_client_close_context(agent->tee_ctx);  in scmi_optee_service_remove()