312 	struct f_acm	*acm = ep->driver_data;  in acm_complete_set_line_coding()  local
313 	struct usb_composite_dev *cdev = acm->port.func.config->cdev;  in acm_complete_set_line_coding()
317 			acm->port_num, req->status);  in acm_complete_set_line_coding()
322 	if (req->actual != sizeof(acm->port_line_coding)) {  in acm_complete_set_line_coding()
324 			acm->port_num, req->actual);  in acm_complete_set_line_coding()
336 		acm->port_line_coding = *value;  in acm_complete_set_line_coding()
342 	struct f_acm		*acm = func_to_acm(f);  in acm_setup()  local
364 				|| w_index != acm->ctrl_id)  in acm_setup()
368 		cdev->gadget->ep0->driver_data = acm;  in acm_setup()
375 		if (w_index != acm->ctrl_id)  in acm_setup()
380 		memcpy(req->buf, &acm->port_line_coding, value);  in acm_setup()
386 		if (w_index != acm->ctrl_id)  in acm_setup()
395 		acm->port_handshake_bits = w_value;  in acm_setup()
410 			acm->port_num, ctrl->bRequestType, ctrl->bRequest,  in acm_setup()
417 					acm->port_num, value);  in acm_setup()
426 	struct f_acm		*acm = func_to_acm(f);  in acm_set_alt()  local
431 	if (intf == acm->ctrl_id) {  in acm_set_alt()
432 		if (acm->notify->driver_data) {  in acm_set_alt()
435 			usb_ep_disable(acm->notify);  in acm_set_alt()
438 		if (!acm->notify->desc)  in acm_set_alt()
439 			if (config_ep_by_speed(cdev->gadget, f, acm->notify))  in acm_set_alt()
442 		usb_ep_enable(acm->notify);  in acm_set_alt()
443 		acm->notify->driver_data = acm;  in acm_set_alt()
445 	} else if (intf == acm->data_id) {  in acm_set_alt()
446 		if (acm->port.in->driver_data) {  in acm_set_alt()
448 				"reset acm ttyGS%d\n", acm->port_num);  in acm_set_alt()
449 			gserial_disconnect(&acm->port);  in acm_set_alt()
451 		if (!acm->port.in->desc || !acm->port.out->desc) {  in acm_set_alt()
453 				"activate acm ttyGS%d\n", acm->port_num);  in acm_set_alt()
455 					       acm->port.in) ||  in acm_set_alt()
457 					       acm->port.out)) {  in acm_set_alt()
458 				acm->port.in->desc = NULL;  in acm_set_alt()
459 				acm->port.out->desc = NULL;  in acm_set_alt()
463 		gserial_connect(&acm->port, acm->port_num);  in acm_set_alt()
473 	struct f_acm	*acm = func_to_acm(f);  in acm_disable()  local
476 	dev_dbg(&cdev->gadget->dev, "acm ttyGS%d deactivated\n", acm->port_num);  in acm_disable()
477 	gserial_disconnect(&acm->port);  in acm_disable()
478 	usb_ep_disable(acm->notify);  in acm_disable()
479 	acm->notify->driver_data = NULL;  in acm_disable()
498 static int acm_cdc_notify(struct f_acm *acm, u8 type, u16 value,  in acm_cdc_notify()  argument
501 	struct usb_ep			*ep = acm->notify;  in acm_cdc_notify()
508 	req = acm->notify_req;  in acm_cdc_notify()
509 	acm->notify_req = NULL;  in acm_cdc_notify()
510 	acm->pending = false;  in acm_cdc_notify()
520 	notify->wIndex = cpu_to_le16(acm->ctrl_id);  in acm_cdc_notify()
525 	spin_unlock(&acm->lock);  in acm_cdc_notify()
527 	spin_lock(&acm->lock);  in acm_cdc_notify()
530 		ERROR(acm->port.func.config->cdev,  in acm_cdc_notify()
532 				acm->port_num, status);  in acm_cdc_notify()
533 		acm->notify_req = req;  in acm_cdc_notify()
539 static int acm_notify_serial_state(struct f_acm *acm)  in acm_notify_serial_state()  argument
541 	struct usb_composite_dev *cdev = acm->port.func.config->cdev;  in acm_notify_serial_state()
544 	spin_lock(&acm->lock);  in acm_notify_serial_state()
545 	if (acm->notify_req) {  in acm_notify_serial_state()
547 			acm->port_num, acm->serial_state);  in acm_notify_serial_state()
548 		status = acm_cdc_notify(acm, USB_CDC_NOTIFY_SERIAL_STATE,  in acm_notify_serial_state()
549 				0, &acm->serial_state, sizeof(acm->serial_state));  in acm_notify_serial_state()
551 		acm->pending = true;  in acm_notify_serial_state()
554 	spin_unlock(&acm->lock);  in acm_notify_serial_state()
560 	struct f_acm		*acm = req->context;  in acm_cdc_notify_complete()  local
566 	spin_lock(&acm->lock);  in acm_cdc_notify_complete()
568 		doit = acm->pending;  in acm_cdc_notify_complete()
569 	acm->notify_req = req;  in acm_cdc_notify_complete()
570 	spin_unlock(&acm->lock);  in acm_cdc_notify_complete()
573 		acm_notify_serial_state(acm);  in acm_cdc_notify_complete()
580 	struct f_acm		*acm = port_to_acm(port);  in acm_connect()  local
582 	acm->serial_state |= ACM_CTRL_DSR | ACM_CTRL_DCD;  in acm_connect()
583 	acm_notify_serial_state(acm);  in acm_connect()
588 	struct f_acm		*acm = port_to_acm(port);  in acm_disconnect()  local
590 	acm->serial_state &= ~(ACM_CTRL_DSR | ACM_CTRL_DCD);  in acm_disconnect()
591 	acm_notify_serial_state(acm);  in acm_disconnect()
596 	struct f_acm		*acm = port_to_acm(port);  in acm_send_break()  local
599 	state = acm->serial_state;  in acm_send_break()
604 	acm->serial_state = state;  in acm_send_break()
605 	return acm_notify_serial_state(acm);  in acm_send_break()
615 	struct f_acm		*acm = func_to_acm(f);  in acm_bind()  local
637 	acm->ctrl_id = status;  in acm_bind()
646 	acm->data_id = status;  in acm_bind()
658 	acm->port.in = ep;  in acm_bind()
664 	acm->port.out = ep;  in acm_bind()
670 	acm->notify = ep;  in acm_bind()
674 	acm->notify_req = gs_alloc_req(ep,  in acm_bind()
677 	if (!acm->notify_req)  in acm_bind()
680 	acm->notify_req->complete = acm_cdc_notify_complete;  in acm_bind()
681 	acm->notify_req->context = acm;  in acm_bind()
702 		acm->port_num,  in acm_bind()
705 		acm->port.in->name, acm->port.out->name,  in acm_bind()
706 		acm->notify->name);  in acm_bind()
710 	if (acm->notify_req)  in acm_bind()
711 		gs_free_req(acm->notify, acm->notify_req);  in acm_bind()
714 	if (acm->notify)  in acm_bind()
715 		acm->notify->driver_data = NULL;  in acm_bind()
716 	if (acm->port.out)  in acm_bind()
717 		acm->port.out->driver_data = NULL;  in acm_bind()
718 	if (acm->port.in)  in acm_bind()
719 		acm->port.in->driver_data = NULL;  in acm_bind()
728 	struct f_acm		*acm = func_to_acm(f);  in acm_unbind()  local
732 	if (acm->notify_req)  in acm_unbind()
733 		gs_free_req(acm->notify, acm->notify_req);  in acm_unbind()
738 	struct f_acm		*acm = func_to_acm(f);  in acm_free_func()  local
740 	kfree(acm);  in acm_free_func()
746 	struct f_acm *acm;  in acm_alloc_func()  local
748 	acm = kzalloc(sizeof(*acm), GFP_KERNEL);  in acm_alloc_func()
749 	if (!acm)  in acm_alloc_func()
752 	spin_lock_init(&acm->lock);  in acm_alloc_func()
754 	acm->port.connect = acm_connect;  in acm_alloc_func()
755 	acm->port.disconnect = acm_disconnect;  in acm_alloc_func()
756 	acm->port.send_break = acm_send_break;  in acm_alloc_func()
758 	acm->port.func.name = "acm";  in acm_alloc_func()
759 	acm->port.func.strings = acm_strings;  in acm_alloc_func()
761 	acm->port.func.bind = acm_bind;  in acm_alloc_func()
762 	acm->port.func.set_alt = acm_set_alt;  in acm_alloc_func()
763 	acm->port.func.setup = acm_setup;  in acm_alloc_func()
764 	acm->port.func.disable = acm_disable;  in acm_alloc_func()
767 	acm->port_num = opts->port_num;  in acm_alloc_func()
768 	acm->port.func.unbind = acm_unbind;  in acm_alloc_func()
769 	acm->port.func.free_func = acm_free_func;  in acm_alloc_func()
771 	return &acm->port.func;  in acm_alloc_func()
854 DECLARE_USB_FUNCTION_INIT(acm, acm_alloc_instance, acm_alloc_func);