26 #define DRIVER_NAME "optee"
206 	struct optee *optee = tee_get_drvdata(teedev);  in optee_get_version()  local
208 	if (optee->sec_caps & OPTEE_SMC_SEC_CAP_DYNAMIC_SHM)  in optee_get_version()
210 	if (optee->sec_caps & OPTEE_SMC_SEC_CAP_MEMREF_NULL)  in optee_get_version()
224 	struct optee *optee = tee_get_drvdata(teedev);  in optee_open()  local
230 	if (teedev == optee->supp_teedev) {  in optee_open()
233 		mutex_lock(&optee->supp.mutex);  in optee_open()
234 		if (!optee->supp.ctx) {  in optee_open()
236 			optee->supp.ctx = ctx;  in optee_open()
238 		mutex_unlock(&optee->supp.mutex);  in optee_open()
244 		if (!optee->scan_bus_done) {  in optee_open()
245 			INIT_WORK(&optee->scan_bus_work, optee_bus_scan);  in optee_open()
246 			optee->scan_bus_wq = create_workqueue("optee_bus_scan");  in optee_open()
247 			if (!optee->scan_bus_wq) {  in optee_open()
251 			queue_work(optee->scan_bus_wq, &optee->scan_bus_work);  in optee_open()
252 			optee->scan_bus_done = true;  in optee_open()
258 	if (optee->sec_caps & OPTEE_SMC_SEC_CAP_MEMREF_NULL)  in optee_open()
271 	struct optee *optee = tee_get_drvdata(teedev);  in optee_release()  local
314 	if (teedev == optee->supp_teedev) {  in optee_release()
315 		if (optee->scan_bus_wq) {  in optee_release()
316 			destroy_workqueue(optee->scan_bus_wq);  in optee_release()
317 			optee->scan_bus_wq = NULL;  in optee_release()
319 		optee_supp_release(&optee->supp);  in optee_release()
586 	struct optee *optee = platform_get_drvdata(pdev);  in optee_remove()  local
596 	optee_disable_shm_cache(optee);  in optee_remove()
602 	tee_device_unregister(optee->supp_teedev);  in optee_remove()
603 	tee_device_unregister(optee->teedev);  in optee_remove()
605 	tee_shm_pool_free(optee->pool);  in optee_remove()
606 	if (optee->memremaped_shm)  in optee_remove()
607 		memunmap(optee->memremaped_shm);  in optee_remove()
608 	optee_wait_queue_exit(&optee->wait_queue);  in optee_remove()
609 	optee_supp_uninit(&optee->supp);  in optee_remove()
610 	mutex_destroy(&optee->call_queue.mutex);  in optee_remove()
612 	kfree(optee);  in optee_remove()
633 	struct optee *optee = NULL;  in optee_probe()  local
685 	optee = kzalloc(sizeof(*optee), GFP_KERNEL);  in optee_probe()
686 	if (!optee) {  in optee_probe()
691 	optee->invoke_fn = invoke_fn;  in optee_probe()
692 	optee->sec_caps = sec_caps;  in optee_probe()
694 	teedev = tee_device_alloc(&optee_desc, NULL, pool, optee);  in optee_probe()
699 	optee->teedev = teedev;  in optee_probe()
701 	teedev = tee_device_alloc(&optee_supp_desc, NULL, pool, optee);  in optee_probe()
706 	optee->supp_teedev = teedev;  in optee_probe()
708 	rc = tee_device_register(optee->teedev);  in optee_probe()
712 	rc = tee_device_register(optee->supp_teedev);  in optee_probe()
716 	mutex_init(&optee->call_queue.mutex);  in optee_probe()
717 	INIT_LIST_HEAD(&optee->call_queue.waiters);  in optee_probe()
718 	optee_wait_queue_init(&optee->wait_queue);  in optee_probe()
719 	optee_supp_init(&optee->supp);  in optee_probe()
720 	optee->memremaped_shm = memremaped_shm;  in optee_probe()
721 	optee->pool = pool;  in optee_probe()
730 	optee_disable_unmapped_shm_cache(optee);  in optee_probe()
732 	optee_enable_shm_cache(optee);  in optee_probe()
734 	if (optee->sec_caps & OPTEE_SMC_SEC_CAP_DYNAMIC_SHM)  in optee_probe()
737 	platform_set_drvdata(pdev, optee);  in optee_probe()
748 	if (optee) {  in optee_probe()
754 		tee_device_unregister(optee->supp_teedev);  in optee_probe()
755 		tee_device_unregister(optee->teedev);  in optee_probe()
756 		kfree(optee);  in optee_probe()
766 	{ .compatible = "linaro,optee-tz" },
776 		.name = "optee",
786 MODULE_ALIAS("platform:optee");