324 static inline int update_basstate(struct bas_cardstate *ucs,  in update_basstate()  argument
330 	spin_lock_irqsave(&ucs->lock, flags);  in update_basstate()
331 	state = ucs->basstate;  in update_basstate()
332 	ucs->basstate = (state & ~clear) | set;  in update_basstate()
333 	spin_unlock_irqrestore(&ucs->lock, flags);  in update_basstate()
375 static void check_pending(struct bas_cardstate *ucs)  in check_pending()  argument
379 	spin_lock_irqsave(&ucs->lock, flags);  in check_pending()
380 	switch (ucs->pending) {  in check_pending()
384 		if (ucs->basstate & BS_ATOPEN)  in check_pending()
385 			ucs->pending = 0;  in check_pending()
388 		if (ucs->basstate & BS_B1OPEN)  in check_pending()
389 			ucs->pending = 0;  in check_pending()
392 		if (ucs->basstate & BS_B2OPEN)  in check_pending()
393 			ucs->pending = 0;  in check_pending()
396 		if (!(ucs->basstate & BS_ATOPEN))  in check_pending()
397 			ucs->pending = 0;  in check_pending()
400 		if (!(ucs->basstate & BS_B1OPEN))  in check_pending()
401 			ucs->pending = 0;  in check_pending()
404 		if (!(ucs->basstate & BS_B2OPEN))  in check_pending()
405 			ucs->pending = 0;  in check_pending()
408 		ucs->pending = 0;  in check_pending()
411 		if (!(ucs->basstate & BS_RESETTING))  in check_pending()
412 			ucs->pending = 0;  in check_pending()
419 		dev_warn(&ucs->interface->dev,  in check_pending()
421 			 ucs->pending);  in check_pending()
422 		ucs->pending = 0;  in check_pending()
425 	if (!ucs->pending)  in check_pending()
426 		del_timer(&ucs->timer_ctrl);  in check_pending()
428 	spin_unlock_irqrestore(&ucs->lock, flags);  in check_pending()
439 	struct bas_cardstate *ucs = cs->hw.bas;  in cmd_in_timeout()  local
442 	if (!ucs->rcvbuf_size) {  in cmd_in_timeout()
447 	if (ucs->retry_cmd_in++ >= BAS_RETRY) {  in cmd_in_timeout()
450 			ucs->retry_cmd_in);  in cmd_in_timeout()
451 		kfree(ucs->rcvbuf);  in cmd_in_timeout()
452 		ucs->rcvbuf = NULL;  in cmd_in_timeout()
453 		ucs->rcvbuf_size = 0;  in cmd_in_timeout()
459 		__func__, ucs->retry_cmd_in);  in cmd_in_timeout()
462 		kfree(ucs->rcvbuf);  in cmd_in_timeout()
463 		ucs->rcvbuf = NULL;  in cmd_in_timeout()
464 		ucs->rcvbuf_size = 0;  in cmd_in_timeout()
481 	struct bas_cardstate *ucs = cs->hw.bas;  in read_ctrl_callback()  local
486 	update_basstate(ucs, 0, BS_ATRDPEND);  in read_ctrl_callback()
487 	wake_up(&ucs->waitqueue);  in read_ctrl_callback()
488 	del_timer(&ucs->timer_cmd_in);  in read_ctrl_callback()
493 		if (unlikely(numbytes != ucs->rcvbuf_size)) {  in read_ctrl_callback()
496 				 numbytes, ucs->rcvbuf_size);  in read_ctrl_callback()
497 			if (numbytes > ucs->rcvbuf_size)  in read_ctrl_callback()
498 				numbytes = ucs->rcvbuf_size;  in read_ctrl_callback()
502 		if (gigaset_fill_inbuf(inbuf, ucs->rcvbuf, numbytes)) {  in read_ctrl_callback()
519 		if (ucs->retry_cmd_in++ < BAS_RETRY) {  in read_ctrl_callback()
521 				get_usb_statmsg(status), ucs->retry_cmd_in);  in read_ctrl_callback()
531 			get_usb_statmsg(status), ucs->retry_cmd_in);  in read_ctrl_callback()
536 	kfree(ucs->rcvbuf);  in read_ctrl_callback()
537 	ucs->rcvbuf = NULL;  in read_ctrl_callback()
538 	ucs->rcvbuf_size = 0;  in read_ctrl_callback()
553 	struct bas_cardstate *ucs = cs->hw.bas;  in atread_submit()  local
558 		ucs->rcvbuf_size);  in atread_submit()
560 	basstate = update_basstate(ucs, BS_ATRDPEND, 0);  in atread_submit()
571 		update_basstate(ucs, 0, BS_ATRDPEND);  in atread_submit()
576 	ucs->dr_cmd_in.bRequestType = IN_VENDOR_REQ;  in atread_submit()
577 	ucs->dr_cmd_in.bRequest = HD_READ_ATMESSAGE;  in atread_submit()
578 	ucs->dr_cmd_in.wValue = 0;  in atread_submit()
579 	ucs->dr_cmd_in.wIndex = 0;  in atread_submit()
580 	ucs->dr_cmd_in.wLength = cpu_to_le16(ucs->rcvbuf_size);  in atread_submit()
581 	usb_fill_control_urb(ucs->urb_cmd_in, ucs->udev,  in atread_submit()
582 			     usb_rcvctrlpipe(ucs->udev, 0),  in atread_submit()
583 			     (unsigned char *) &ucs->dr_cmd_in,  in atread_submit()
584 			     ucs->rcvbuf, ucs->rcvbuf_size,  in atread_submit()
587 	ret = usb_submit_urb(ucs->urb_cmd_in, GFP_ATOMIC);  in atread_submit()
589 		update_basstate(ucs, 0, BS_ATRDPEND);  in atread_submit()
597 		mod_timer(&ucs->timer_cmd_in, jiffies + timeout * HZ / 10);  in atread_submit()
608 	struct bas_cardstate *ucs =  in int_in_work()  local
610 	struct urb *urb = ucs->urb_int_in;  in int_in_work()
615 	rc = usb_clear_halt(ucs->udev, urb->pipe);  in int_in_work()
628 		rc = usb_lock_device_for_reset(ucs->udev, ucs->interface);  in int_in_work()
630 			rc = usb_reset_device(ucs->udev);  in int_in_work()
631 			usb_unlock_device(ucs->udev);  in int_in_work()
634 	ucs->retry_int_in = 0;  in int_in_work()
645 	struct bas_cardstate *ucs = cs->hw.bas;  in int_in_resubmit()  local
648 	if (ucs->retry_int_in++ >= BAS_RETRY) {  in int_in_resubmit()
650 			ucs->retry_int_in);  in int_in_resubmit()
651 		usb_queue_reset_device(ucs->interface);  in int_in_resubmit()
655 	gig_dbg(DEBUG_USBREQ, "%s: retry %d", __func__, ucs->retry_int_in);  in int_in_resubmit()
656 	rc = usb_submit_urb(ucs->urb_int_in, GFP_ATOMIC);  in int_in_resubmit()
660 		usb_queue_reset_device(ucs->interface);  in int_in_resubmit()
674 	struct bas_cardstate *ucs = cs->hw.bas;  in read_int_callback()  local
684 		ucs->retry_int_in = 0;  in read_int_callback()
687 		schedule_work(&ucs->int_in_wq);  in read_int_callback()
704 		mod_timer(&ucs->timer_int_in, jiffies + HZ / 10);  in read_int_callback()
719 	l = (unsigned) ucs->int_in_buf[1] +  in read_int_callback()
720 		(((unsigned) ucs->int_in_buf[2]) << 8);  in read_int_callback()
723 		urb->actual_length, (int)ucs->int_in_buf[0], l,  in read_int_callback()
724 		(int)ucs->int_in_buf[1], (int)ucs->int_in_buf[2]);  in read_int_callback()
728 	switch (ucs->int_in_buf[0]) {  in read_int_callback()
730 		update_basstate(ucs, BS_INIT, 0);  in read_int_callback()
734 		del_timer(&ucs->timer_atrdy);  in read_int_callback()
735 		update_basstate(ucs, BS_ATREADY, BS_ATTIMER);  in read_int_callback()
743 		update_basstate(ucs, BS_B1OPEN << channel, 0);  in read_int_callback()
748 		update_basstate(ucs, BS_ATOPEN, 0);  in read_int_callback()
756 		update_basstate(ucs, 0, BS_B1OPEN << channel);  in read_int_callback()
762 		update_basstate(ucs, 0, BS_ATOPEN);  in read_int_callback()
784 		if (ucs->basstate & BS_ATRDPEND) {  in read_int_callback()
788 				 l, ucs->rcvbuf_size);  in read_int_callback()
791 		if (ucs->rcvbuf_size) {  in read_int_callback()
795 				ucs->rcvbuf_size);  in read_int_callback()
796 			kfree(ucs->rcvbuf);  in read_int_callback()
797 			ucs->rcvbuf_size = 0;  in read_int_callback()
799 		ucs->rcvbuf = kmalloc(l, GFP_ATOMIC);  in read_int_callback()
800 		if (ucs->rcvbuf == NULL) {  in read_int_callback()
805 		ucs->rcvbuf_size = l;  in read_int_callback()
806 		ucs->retry_cmd_in = 0;  in read_int_callback()
809 			kfree(ucs->rcvbuf);  in read_int_callback()
810 			ucs->rcvbuf = NULL;  in read_int_callback()
811 			ucs->rcvbuf_size = 0;  in read_int_callback()
819 		update_basstate(ucs, 0, BS_RESETTING);  in read_int_callback()
830 			 (int) ucs->int_in_buf[0], l);  in read_int_callback()
833 	check_pending(ucs);  in read_int_callback()
834 	wake_up(&ucs->waitqueue);  in read_int_callback()
1447 	struct bas_cardstate *ucs = cs->hw.bas;  in req_timeout()  local
1451 	check_pending(ucs);  in req_timeout()
1453 	spin_lock_irqsave(&ucs->lock, flags);  in req_timeout()
1454 	pending = ucs->pending;  in req_timeout()
1455 	ucs->pending = 0;  in req_timeout()
1456 	spin_unlock_irqrestore(&ucs->lock, flags);  in req_timeout()
1497 		usb_queue_reset_device(ucs->interface);  in req_timeout()
1505 	wake_up(&ucs->waitqueue);  in req_timeout()
1517 	struct bas_cardstate *ucs = urb->context;  in write_ctrl_callback()  local
1525 		spin_lock_irqsave(&ucs->lock, flags);  in write_ctrl_callback()
1526 		switch (ucs->pending) {  in write_ctrl_callback()
1528 			del_timer(&ucs->timer_ctrl);  in write_ctrl_callback()
1529 			ucs->pending = 0;  in write_ctrl_callback()
1532 		spin_unlock_irqrestore(&ucs->lock, flags);  in write_ctrl_callback()
1547 		if (++ucs->retry_ctrl > BAS_RETRY ||  in write_ctrl_callback()
1548 		    (ucs->basstate & BS_SUSPEND)) {  in write_ctrl_callback()
1549 			dev_err(&ucs->interface->dev,  in write_ctrl_callback()
1551 				ucs->dr_ctrl.bRequest,  in write_ctrl_callback()
1555 		dev_notice(&ucs->interface->dev,  in write_ctrl_callback()
1557 			   ucs->dr_ctrl.bRequest, get_usb_statmsg(status),  in write_ctrl_callback()
1558 			   ucs->retry_ctrl);  in write_ctrl_callback()
1560 		urb->dev = ucs->udev;  in write_ctrl_callback()
1563 			dev_err(&ucs->interface->dev,  in write_ctrl_callback()
1565 				ucs->dr_ctrl.bRequest, get_usb_rcmsg(rc));  in write_ctrl_callback()
1573 	spin_lock_irqsave(&ucs->lock, flags);  in write_ctrl_callback()
1574 	del_timer(&ucs->timer_ctrl);  in write_ctrl_callback()
1575 	ucs->pending = 0;  in write_ctrl_callback()
1576 	spin_unlock_irqrestore(&ucs->lock, flags);  in write_ctrl_callback()
1577 	wake_up(&ucs->waitqueue);  in write_ctrl_callback()
1595 	struct bas_cardstate *ucs = bcs->cs->hw.bas;  in req_submit()  local
1601 	spin_lock_irqsave(&ucs->lock, flags);  in req_submit()
1602 	if (ucs->pending) {  in req_submit()
1603 		spin_unlock_irqrestore(&ucs->lock, flags);  in req_submit()
1607 			req, ucs->pending);  in req_submit()
1611 	ucs->dr_ctrl.bRequestType = OUT_VENDOR_REQ;  in req_submit()
1612 	ucs->dr_ctrl.bRequest = req;  in req_submit()
1613 	ucs->dr_ctrl.wValue = cpu_to_le16(val);  in req_submit()
1614 	ucs->dr_ctrl.wIndex = 0;  in req_submit()
1615 	ucs->dr_ctrl.wLength = 0;  in req_submit()
1616 	usb_fill_control_urb(ucs->urb_ctrl, ucs->udev,  in req_submit()
1617 			     usb_sndctrlpipe(ucs->udev, 0),  in req_submit()
1618 			     (unsigned char *) &ucs->dr_ctrl, NULL, 0,  in req_submit()
1619 			     write_ctrl_callback, ucs);  in req_submit()
1620 	ucs->retry_ctrl = 0;  in req_submit()
1621 	ret = usb_submit_urb(ucs->urb_ctrl, GFP_ATOMIC);  in req_submit()
1625 		spin_unlock_irqrestore(&ucs->lock, flags);  in req_submit()
1628 	ucs->pending = req;  in req_submit()
1632 		mod_timer(&ucs->timer_ctrl, jiffies + timeout * HZ / 10);  in req_submit()
1635 	spin_unlock_irqrestore(&ucs->lock, flags);  in req_submit()
1777 	struct bas_cardstate *ucs = cs->hw.bas;  in write_command_callback()  local
1781 	update_basstate(ucs, 0, BS_ATWRPEND);  in write_command_callback()
1782 	wake_up(&ucs->waitqueue);  in write_command_callback()
1798 		if (++ucs->retry_cmd_out > BAS_RETRY) {  in write_command_callback()
1803 				 ucs->retry_cmd_out);  in write_command_callback()
1806 		if (ucs->basstate & BS_SUSPEND) {  in write_command_callback()
1821 			   get_usb_statmsg(status), ucs->retry_cmd_out);  in write_command_callback()
1826 		update_basstate(ucs, BS_ATREADY, 0);  in write_command_callback()
1843 	struct bas_cardstate *ucs = cs->hw.bas;  in atrdy_timeout()  local
1848 	update_basstate(ucs, BS_ATREADY, BS_ATTIMER);  in atrdy_timeout()
1865 	struct bas_cardstate *ucs = cs->hw.bas;  in atwrite_submit()  local
1870 	if (update_basstate(ucs, BS_ATWRPEND, 0) & BS_ATWRPEND) {  in atwrite_submit()
1876 	ucs->dr_cmd_out.bRequestType = OUT_VENDOR_REQ;  in atwrite_submit()
1877 	ucs->dr_cmd_out.bRequest = HD_WRITE_ATMESSAGE;  in atwrite_submit()
1878 	ucs->dr_cmd_out.wValue = 0;  in atwrite_submit()
1879 	ucs->dr_cmd_out.wIndex = 0;  in atwrite_submit()
1880 	ucs->dr_cmd_out.wLength = cpu_to_le16(len);  in atwrite_submit()
1881 	usb_fill_control_urb(ucs->urb_cmd_out, ucs->udev,  in atwrite_submit()
1882 			     usb_sndctrlpipe(ucs->udev, 0),  in atwrite_submit()
1883 			     (unsigned char *) &ucs->dr_cmd_out, buf, len,  in atwrite_submit()
1885 	rc = usb_submit_urb(ucs->urb_cmd_out, GFP_ATOMIC);  in atwrite_submit()
1887 		update_basstate(ucs, 0, BS_ATWRPEND);  in atwrite_submit()
1894 	if (!(update_basstate(ucs, BS_ATTIMER, BS_ATREADY) & BS_ATTIMER)) {  in atwrite_submit()
1897 		mod_timer(&ucs->timer_atrdy, jiffies + ATRDY_TIMEOUT * HZ / 10);  in atwrite_submit()
1913 	struct bas_cardstate *ucs = cs->hw.bas;  in start_cbsend()  local
1919 	if (ucs->basstate & BS_SUSPEND) {  in start_cbsend()
1925 	if (!(ucs->basstate & BS_ATOPEN)) {  in start_cbsend()
1941 	while ((cb = cs->cmdbuf) != NULL && (ucs->basstate & BS_ATREADY)) {  in start_cbsend()
1942 		ucs->retry_cmd_out = 0;  in start_cbsend()
2201 	struct bas_cardstate *ucs;  in gigaset_initcshw()  local
2203 	cs->hw.bas = ucs = kmalloc(sizeof *ucs, GFP_KERNEL);  in gigaset_initcshw()
2204 	if (!ucs) {  in gigaset_initcshw()
2208 	ucs->int_in_buf = kmalloc(IP_MSGSIZE, GFP_KERNEL);  in gigaset_initcshw()
2209 	if (!ucs->int_in_buf) {  in gigaset_initcshw()
2210 		kfree(ucs);  in gigaset_initcshw()
2215 	ucs->urb_cmd_in = NULL;  in gigaset_initcshw()
2216 	ucs->urb_cmd_out = NULL;  in gigaset_initcshw()
2217 	ucs->rcvbuf = NULL;  in gigaset_initcshw()
2218 	ucs->rcvbuf_size = 0;  in gigaset_initcshw()
2220 	spin_lock_init(&ucs->lock);  in gigaset_initcshw()
2221 	ucs->pending = 0;  in gigaset_initcshw()
2223 	ucs->basstate = 0;  in gigaset_initcshw()
2224 	setup_timer(&ucs->timer_ctrl, req_timeout, (unsigned long) cs);  in gigaset_initcshw()
2225 	setup_timer(&ucs->timer_atrdy, atrdy_timeout, (unsigned long) cs);  in gigaset_initcshw()
2226 	setup_timer(&ucs->timer_cmd_in, cmd_in_timeout, (unsigned long) cs);  in gigaset_initcshw()
2227 	setup_timer(&ucs->timer_int_in, int_in_resubmit, (unsigned long) cs);  in gigaset_initcshw()
2228 	init_waitqueue_head(&ucs->waitqueue);  in gigaset_initcshw()
2229 	INIT_WORK(&ucs->int_in_wq, int_in_work);  in gigaset_initcshw()
2242 	struct bas_cardstate *ucs = cs->hw.bas;  in freeurbs()  local
2260 	usb_kill_urb(ucs->urb_int_in);  in freeurbs()
2261 	usb_free_urb(ucs->urb_int_in);  in freeurbs()
2262 	ucs->urb_int_in = NULL;  in freeurbs()
2263 	usb_kill_urb(ucs->urb_cmd_out);  in freeurbs()
2264 	usb_free_urb(ucs->urb_cmd_out);  in freeurbs()
2265 	ucs->urb_cmd_out = NULL;  in freeurbs()
2266 	usb_kill_urb(ucs->urb_cmd_in);  in freeurbs()
2267 	usb_free_urb(ucs->urb_cmd_in);  in freeurbs()
2268 	ucs->urb_cmd_in = NULL;  in freeurbs()
2269 	usb_kill_urb(ucs->urb_ctrl);  in freeurbs()
2270 	usb_free_urb(ucs->urb_ctrl);  in freeurbs()
2271 	ucs->urb_ctrl = NULL;  in freeurbs()
2284 	struct bas_cardstate *ucs = NULL;  in gigaset_probe()  local
2330 	ucs = cs->hw.bas;  in gigaset_probe()
2334 	ucs->udev = udev;  in gigaset_probe()
2335 	ucs->interface = interface;  in gigaset_probe()
2343 	if (!(ucs->urb_int_in = usb_alloc_urb(0, GFP_KERNEL)) ||  in gigaset_probe()
2344 	    !(ucs->urb_cmd_in = usb_alloc_urb(0, GFP_KERNEL)) ||  in gigaset_probe()
2345 	    !(ucs->urb_cmd_out = usb_alloc_urb(0, GFP_KERNEL)) ||  in gigaset_probe()
2346 	    !(ucs->urb_ctrl = usb_alloc_urb(0, GFP_KERNEL)))  in gigaset_probe()
2361 	ucs->rcvbuf = NULL;  in gigaset_probe()
2362 	ucs->rcvbuf_size = 0;  in gigaset_probe()
2366 	usb_fill_int_urb(ucs->urb_int_in, udev,  in gigaset_probe()
2369 			 ucs->int_in_buf, IP_MSGSIZE, read_int_callback, cs,  in gigaset_probe()
2371 	rc = usb_submit_urb(ucs->urb_int_in, GFP_KERNEL);  in gigaset_probe()
2377 	ucs->retry_int_in = 0;  in gigaset_probe()
2414 	struct bas_cardstate *ucs;  in gigaset_disconnect()  local
2419 	ucs = cs->hw.bas;  in gigaset_disconnect()
2424 	ucs->basstate = 0;  in gigaset_disconnect()
2434 	del_timer_sync(&ucs->timer_ctrl);  in gigaset_disconnect()
2435 	del_timer_sync(&ucs->timer_atrdy);  in gigaset_disconnect()
2436 	del_timer_sync(&ucs->timer_cmd_in);  in gigaset_disconnect()
2437 	del_timer_sync(&ucs->timer_int_in);  in gigaset_disconnect()
2438 	cancel_work_sync(&ucs->int_in_wq);  in gigaset_disconnect()
2441 	kfree(ucs->rcvbuf);  in gigaset_disconnect()
2442 	ucs->rcvbuf = NULL;  in gigaset_disconnect()
2443 	ucs->rcvbuf_size = 0;  in gigaset_disconnect()
2444 	usb_put_dev(ucs->udev);  in gigaset_disconnect()
2445 	ucs->interface = NULL;  in gigaset_disconnect()
2446 	ucs->udev = NULL;  in gigaset_disconnect()
2459 	struct bas_cardstate *ucs = cs->hw.bas;  in gigaset_suspend()  local
2463 	if (update_basstate(ucs, BS_SUSPEND, 0) & BS_SUSPEND) {  in gigaset_suspend()
2469 	rc = wait_event_timeout(ucs->waitqueue,  in gigaset_suspend()
2470 				!(ucs->basstate &  in gigaset_suspend()
2476 	if (ucs->basstate & (BS_B1OPEN | BS_B2OPEN | BS_ATRDPEND | BS_ATWRPEND)) {  in gigaset_suspend()
2478 		if (ucs->basstate & BS_B1OPEN)  in gigaset_suspend()
2480 		if (ucs->basstate & BS_B2OPEN)  in gigaset_suspend()
2482 		if (ucs->basstate & BS_ATRDPEND)  in gigaset_suspend()
2484 		if (ucs->basstate & BS_ATWRPEND)  in gigaset_suspend()
2486 		update_basstate(ucs, 0, BS_SUSPEND);  in gigaset_suspend()
2491 	if (ucs->basstate & BS_ATOPEN) {  in gigaset_suspend()
2495 			update_basstate(ucs, 0, BS_SUSPEND);  in gigaset_suspend()
2498 		wait_event_timeout(ucs->waitqueue, !ucs->pending,  in gigaset_suspend()
2504 	usb_kill_urb(ucs->urb_ctrl);  in gigaset_suspend()
2505 	usb_kill_urb(ucs->urb_int_in);  in gigaset_suspend()
2506 	del_timer_sync(&ucs->timer_ctrl);  in gigaset_suspend()
2507 	del_timer_sync(&ucs->timer_atrdy);  in gigaset_suspend()
2508 	del_timer_sync(&ucs->timer_cmd_in);  in gigaset_suspend()
2509 	del_timer_sync(&ucs->timer_int_in);  in gigaset_suspend()
2515 		cancel_work_sync(&ucs->int_in_wq);  in gigaset_suspend()
2527 	struct bas_cardstate *ucs = cs->hw.bas;  in gigaset_resume()  local
2531 	rc = usb_submit_urb(ucs->urb_int_in, GFP_KERNEL);  in gigaset_resume()
2537 	ucs->retry_int_in = 0;  in gigaset_resume()
2540 	update_basstate(ucs, 0, BS_SUSPEND);  in gigaset_resume()
2622 	struct bas_cardstate *ucs;  in bas_gigaset_exit()  local
2636 		ucs = driver->cs[i].hw.bas;  in bas_gigaset_exit()
2637 		if (ucs->basstate & BS_B1OPEN) {  in bas_gigaset_exit()
2639 			usb_control_msg(ucs->udev,  in bas_gigaset_exit()
2640 					usb_sndctrlpipe(ucs->udev, 0),  in bas_gigaset_exit()
2644 		if (ucs->basstate & BS_B2OPEN) {  in bas_gigaset_exit()
2646 			usb_control_msg(ucs->udev,  in bas_gigaset_exit()
2647 					usb_sndctrlpipe(ucs->udev, 0),  in bas_gigaset_exit()
2651 		if (ucs->basstate & BS_ATOPEN) {  in bas_gigaset_exit()
2653 			usb_control_msg(ucs->udev,  in bas_gigaset_exit()
2654 					usb_sndctrlpipe(ucs->udev, 0),  in bas_gigaset_exit()
2658 		ucs->basstate = 0;  in bas_gigaset_exit()