68 	struct usb_serial_port *port;  in usb_serial_port_get_by_minor()  local
71 	port = idr_find(&serial_minors, minor);  in usb_serial_port_get_by_minor()
72 	if (!port)  in usb_serial_port_get_by_minor()
75 	serial = port->serial;  in usb_serial_port_get_by_minor()
79 		port = NULL;  in usb_serial_port_get_by_minor()
85 	return port;  in usb_serial_port_get_by_minor()
90 	struct usb_serial_port *port;  in allocate_minors()  local
98 		port = serial->port[i];  in allocate_minors()
99 		minor = idr_alloc(&serial_minors, port, 0, 0, GFP_KERNEL);  in allocate_minors()
102 		port->minor = minor;  in allocate_minors()
103 		port->port_number = i;  in allocate_minors()
111 		idr_remove(&serial_minors, serial->port[j]->minor);  in allocate_minors()
122 		idr_remove(&serial_minors, serial->port[i]->minor);  in release_minors()
130 	struct usb_serial_port *port;  in destroy_serial()  local
144 		port = serial->port[i];  in destroy_serial()
145 		if (port) {  in destroy_serial()
146 			port->serial = NULL;  in destroy_serial()
147 			put_device(&port->dev);  in destroy_serial()
183 	struct usb_serial_port *port;  in serial_install()  local
186 	port = usb_serial_port_get_by_minor(idx);  in serial_install()
187 	if (!port)  in serial_install()
190 	serial = port->serial;  in serial_install()
198 	retval = tty_port_install(&port->port, driver, tty);  in serial_install()
208 	tty->driver_data = port;  in serial_install()
224 	struct usb_serial_port *port =  in serial_port_activate()  local
225 		container_of(tport, struct usb_serial_port, port);  in serial_port_activate()
226 	struct usb_serial *serial = port->serial;  in serial_port_activate()
233 		retval = port->serial->type->open(tty, port);  in serial_port_activate()
244 	struct usb_serial_port *port = tty->driver_data;  in serial_open()  local
248 	return tty_port_open(&port->port, tty, filp);  in serial_open()
263 	struct usb_serial_port *port =  in serial_port_shutdown()  local
264 		container_of(tport, struct usb_serial_port, port);  in serial_port_shutdown()
265 	struct usb_serial_driver *drv = port->serial->type;  in serial_port_shutdown()
268 		drv->close(port);  in serial_port_shutdown()
273 	struct usb_serial_port *port = tty->driver_data;  in serial_hangup()  local
277 	tty_port_hangup(&port->port);  in serial_hangup()
282 	struct usb_serial_port *port = tty->driver_data;  in serial_close()  local
286 	tty_port_close(&port->port, tty, filp);  in serial_close()
300 	struct usb_serial_port *port = tty->driver_data;  in serial_cleanup()  local
309 	if (port->port.console)  in serial_cleanup()
314 	serial = port->serial;  in serial_cleanup()
329 	struct usb_serial_port *port = tty->driver_data;  in serial_write()  local
332 	if (port->serial->dev->state == USB_STATE_NOTATTACHED)  in serial_write()
337 	retval = port->serial->type->write(tty, port, buf, count);  in serial_write()
346 	struct usb_serial_port *port = tty->driver_data;  in serial_write_room()  local
350 	return port->serial->type->write_room(tty);  in serial_write_room()
355 	struct usb_serial_port *port = tty->driver_data;  in serial_chars_in_buffer()  local
356 	struct usb_serial *serial = port->serial;  in serial_chars_in_buffer()
368 	struct usb_serial_port *port = tty->driver_data;  in serial_wait_until_sent()  local
369 	struct usb_serial *serial = port->serial;  in serial_wait_until_sent()
373 	if (!port->serial->type->wait_until_sent)  in serial_wait_until_sent()
378 		port->serial->type->wait_until_sent(tty, timeout);  in serial_wait_until_sent()
384 	struct usb_serial_port *port = tty->driver_data;  in serial_throttle()  local
388 	if (port->serial->type->throttle)  in serial_throttle()
389 		port->serial->type->throttle(tty);  in serial_throttle()
394 	struct usb_serial_port *port = tty->driver_data;  in serial_unthrottle()  local
398 	if (port->serial->type->unthrottle)  in serial_unthrottle()
399 		port->serial->type->unthrottle(tty);  in serial_unthrottle()
405 	struct usb_serial_port *port = tty->driver_data;  in serial_ioctl()  local
412 		if (port->serial->type->tiocmiwait)  in serial_ioctl()
413 			retval = port->serial->type->tiocmiwait(tty, arg);  in serial_ioctl()
416 		if (port->serial->type->ioctl)  in serial_ioctl()
417 			retval = port->serial->type->ioctl(tty, cmd, arg);  in serial_ioctl()
425 	struct usb_serial_port *port = tty->driver_data;  in serial_set_termios()  local
429 	if (port->serial->type->set_termios)  in serial_set_termios()
430 		port->serial->type->set_termios(tty, port, old);  in serial_set_termios()
437 	struct usb_serial_port *port = tty->driver_data;  in serial_break()  local
441 	if (port->serial->type->break_ctl)  in serial_break()
442 		port->serial->type->break_ctl(tty, break_state);  in serial_break()
450 	struct usb_serial_port *port;  in serial_proc_show()  local
456 		port = usb_serial_port_get_by_minor(i);  in serial_proc_show()
457 		if (port == NULL)  in serial_proc_show()
459 		serial = port->serial;  in serial_proc_show()
471 		seq_printf(m, " port:%d", port->port_number);  in serial_proc_show()
497 	struct usb_serial_port *port = tty->driver_data;  in serial_tiocmget()  local
501 	if (port->serial->type->tiocmget)  in serial_tiocmget()
502 		return port->serial->type->tiocmget(tty);  in serial_tiocmget()
509 	struct usb_serial_port *port = tty->driver_data;  in serial_tiocmset()  local
513 	if (port->serial->type->tiocmset)  in serial_tiocmset()
514 		return port->serial->type->tiocmset(tty, set, clear);  in serial_tiocmset()
521 	struct usb_serial_port *port = tty->driver_data;  in serial_get_icount()  local
525 	if (port->serial->type->get_icount)  in serial_get_icount()
526 		return port->serial->type->get_icount(tty, icount);  in serial_get_icount()
535 void usb_serial_port_softint(struct usb_serial_port *port)  in usb_serial_port_softint()  argument
537 	schedule_work(&port->work);  in usb_serial_port_softint()
543 	struct usb_serial_port *port =  in usb_serial_port_work()  local
546 	tty_port_tty_wakeup(&port->port);  in usb_serial_port_work()
549 static void usb_serial_port_poison_urbs(struct usb_serial_port *port)  in usb_serial_port_poison_urbs()  argument
553 	for (i = 0; i < ARRAY_SIZE(port->read_urbs); ++i)  in usb_serial_port_poison_urbs()
554 		usb_poison_urb(port->read_urbs[i]);  in usb_serial_port_poison_urbs()
555 	for (i = 0; i < ARRAY_SIZE(port->write_urbs); ++i)  in usb_serial_port_poison_urbs()
556 		usb_poison_urb(port->write_urbs[i]);  in usb_serial_port_poison_urbs()
558 	usb_poison_urb(port->interrupt_in_urb);  in usb_serial_port_poison_urbs()
559 	usb_poison_urb(port->interrupt_out_urb);  in usb_serial_port_poison_urbs()
562 static void usb_serial_port_unpoison_urbs(struct usb_serial_port *port)  in usb_serial_port_unpoison_urbs()  argument
566 	for (i = 0; i < ARRAY_SIZE(port->read_urbs); ++i)  in usb_serial_port_unpoison_urbs()
567 		usb_unpoison_urb(port->read_urbs[i]);  in usb_serial_port_unpoison_urbs()
568 	for (i = 0; i < ARRAY_SIZE(port->write_urbs); ++i)  in usb_serial_port_unpoison_urbs()
569 		usb_unpoison_urb(port->write_urbs[i]);  in usb_serial_port_unpoison_urbs()
571 	usb_unpoison_urb(port->interrupt_in_urb);  in usb_serial_port_unpoison_urbs()
572 	usb_unpoison_urb(port->interrupt_out_urb);  in usb_serial_port_unpoison_urbs()
577 	struct usb_serial_port *port = to_usb_serial_port(dev);  in usb_serial_port_release()  local
582 	usb_free_urb(port->interrupt_in_urb);  in usb_serial_port_release()
583 	usb_free_urb(port->interrupt_out_urb);  in usb_serial_port_release()
584 	for (i = 0; i < ARRAY_SIZE(port->read_urbs); ++i) {  in usb_serial_port_release()
585 		usb_free_urb(port->read_urbs[i]);  in usb_serial_port_release()
586 		kfree(port->bulk_in_buffers[i]);  in usb_serial_port_release()
588 	for (i = 0; i < ARRAY_SIZE(port->write_urbs); ++i) {  in usb_serial_port_release()
589 		usb_free_urb(port->write_urbs[i]);  in usb_serial_port_release()
590 		kfree(port->bulk_out_buffers[i]);  in usb_serial_port_release()
592 	kfifo_free(&port->write_fifo);  in usb_serial_port_release()
593 	kfree(port->interrupt_in_buffer);  in usb_serial_port_release()
594 	kfree(port->interrupt_out_buffer);  in usb_serial_port_release()
595 	tty_port_destroy(&port->port);  in usb_serial_port_release()
596 	kfree(port);  in usb_serial_port_release()
670 static int serial_port_carrier_raised(struct tty_port *port)  in serial_port_carrier_raised()  argument
672 	struct usb_serial_port *p = container_of(port, struct usb_serial_port, port);  in serial_port_carrier_raised()
681 static void serial_port_dtr_rts(struct tty_port *port, int on)  in serial_port_dtr_rts()  argument
683 	struct usb_serial_port *p = container_of(port, struct usb_serial_port, port);  in serial_port_dtr_rts()
693 	struct usb_serial_port *port = to_usb_serial_port(dev);  in port_number_show()  local
695 	return sprintf(buf, "%u\n", port->port_number);  in port_number_show()
718 	struct usb_serial_port *port;  in usb_serial_probe()  local
905 		port = kzalloc(sizeof(struct usb_serial_port), GFP_KERNEL);  in usb_serial_probe()
906 		if (!port)  in usb_serial_probe()
908 		tty_port_init(&port->port);  in usb_serial_probe()
909 		port->port.ops = &serial_port_ops;  in usb_serial_probe()
910 		port->serial = serial;  in usb_serial_probe()
911 		spin_lock_init(&port->lock);  in usb_serial_probe()
914 		INIT_WORK(&port->work, usb_serial_port_work);  in usb_serial_probe()
915 		serial->port[i] = port;  in usb_serial_probe()
916 		port->dev.parent = &interface->dev;  in usb_serial_probe()
917 		port->dev.driver = NULL;  in usb_serial_probe()
918 		port->dev.bus = &usb_serial_bus_type;  in usb_serial_probe()
919 		port->dev.release = &usb_serial_port_release;  in usb_serial_probe()
920 		port->dev.groups = usb_serial_port_groups;  in usb_serial_probe()
921 		device_initialize(&port->dev);  in usb_serial_probe()
927 		port = serial->port[i];  in usb_serial_probe()
930 		port->bulk_in_size = buffer_size;  in usb_serial_probe()
931 		port->bulk_in_endpointAddress = endpoint->bEndpointAddress;  in usb_serial_probe()
933 		for (j = 0; j < ARRAY_SIZE(port->read_urbs); ++j) {  in usb_serial_probe()
934 			set_bit(j, &port->read_urbs_free);  in usb_serial_probe()
935 			port->read_urbs[j] = usb_alloc_urb(0, GFP_KERNEL);  in usb_serial_probe()
936 			if (!port->read_urbs[j])  in usb_serial_probe()
938 			port->bulk_in_buffers[j] = kmalloc(buffer_size,  in usb_serial_probe()
940 			if (!port->bulk_in_buffers[j])  in usb_serial_probe()
942 			usb_fill_bulk_urb(port->read_urbs[j], dev,  in usb_serial_probe()
945 					port->bulk_in_buffers[j], buffer_size,  in usb_serial_probe()
947 					port);  in usb_serial_probe()
950 		port->read_urb = port->read_urbs[0];  in usb_serial_probe()
951 		port->bulk_in_buffer = port->bulk_in_buffers[0];  in usb_serial_probe()
956 		port = serial->port[i];  in usb_serial_probe()
957 		if (kfifo_alloc(&port->write_fifo, PAGE_SIZE, GFP_KERNEL))  in usb_serial_probe()
962 		port->bulk_out_size = buffer_size;  in usb_serial_probe()
963 		port->bulk_out_endpointAddress = endpoint->bEndpointAddress;  in usb_serial_probe()
965 		for (j = 0; j < ARRAY_SIZE(port->write_urbs); ++j) {  in usb_serial_probe()
966 			set_bit(j, &port->write_urbs_free);  in usb_serial_probe()
967 			port->write_urbs[j] = usb_alloc_urb(0, GFP_KERNEL);  in usb_serial_probe()
968 			if (!port->write_urbs[j])  in usb_serial_probe()
970 			port->bulk_out_buffers[j] = kmalloc(buffer_size,  in usb_serial_probe()
972 			if (!port->bulk_out_buffers[j])  in usb_serial_probe()
974 			usb_fill_bulk_urb(port->write_urbs[j], dev,  in usb_serial_probe()
977 					port->bulk_out_buffers[j], buffer_size,  in usb_serial_probe()
979 					port);  in usb_serial_probe()
982 		port->write_urb = port->write_urbs[0];  in usb_serial_probe()
983 		port->bulk_out_buffer = port->bulk_out_buffers[0];  in usb_serial_probe()
989 			port = serial->port[i];  in usb_serial_probe()
990 			port->interrupt_in_urb = usb_alloc_urb(0, GFP_KERNEL);  in usb_serial_probe()
991 			if (!port->interrupt_in_urb)  in usb_serial_probe()
994 			port->interrupt_in_endpointAddress =  in usb_serial_probe()
996 			port->interrupt_in_buffer = kmalloc(buffer_size,  in usb_serial_probe()
998 			if (!port->interrupt_in_buffer)  in usb_serial_probe()
1000 			usb_fill_int_urb(port->interrupt_in_urb, dev,  in usb_serial_probe()
1003 				port->interrupt_in_buffer, buffer_size,  in usb_serial_probe()
1004 				serial->type->read_int_callback, port,  in usb_serial_probe()
1014 			port = serial->port[i];  in usb_serial_probe()
1015 			port->interrupt_out_urb = usb_alloc_urb(0, GFP_KERNEL);  in usb_serial_probe()
1016 			if (!port->interrupt_out_urb)  in usb_serial_probe()
1019 			port->interrupt_out_size = buffer_size;  in usb_serial_probe()
1020 			port->interrupt_out_endpointAddress =  in usb_serial_probe()
1022 			port->interrupt_out_buffer = kmalloc(buffer_size,  in usb_serial_probe()
1024 			if (!port->interrupt_out_buffer)  in usb_serial_probe()
1026 			usb_fill_int_urb(port->interrupt_out_urb, dev,  in usb_serial_probe()
1029 				port->interrupt_out_buffer, buffer_size,  in usb_serial_probe()
1030 				serial->type->write_int_callback, port,  in usb_serial_probe()
1068 		port = serial->port[i];  in usb_serial_probe()
1069 		dev_set_name(&port->dev, "ttyUSB%d", port->minor);  in usb_serial_probe()
1070 		dev_dbg(ddev, "registering %s\n", dev_name(&port->dev));  in usb_serial_probe()
1071 		device_enable_async_suspend(&port->dev);  in usb_serial_probe()
1073 		retval = device_add(&port->dev);  in usb_serial_probe()
1080 	usb_serial_console_init(serial->port[0]->minor);  in usb_serial_probe()
1096 	struct usb_serial_port *port;  in usb_serial_disconnect()  local
1107 		port = serial->port[i];  in usb_serial_disconnect()
1108 		tty = tty_port_tty_get(&port->port);  in usb_serial_disconnect()
1113 		usb_serial_port_poison_urbs(port);  in usb_serial_disconnect()
1114 		wake_up_interruptible(&port->port.delta_msr_wait);  in usb_serial_disconnect()
1115 		cancel_work_sync(&port->work);  in usb_serial_disconnect()
1116 		if (device_is_registered(&port->dev))  in usb_serial_disconnect()
1117 			device_del(&port->dev);  in usb_serial_disconnect()
1148 		usb_serial_port_poison_urbs(serial->port[i]);  in usb_serial_suspend()
1159 		usb_serial_port_unpoison_urbs(serial->port[i]);  in usb_serial_unpoison_port_urbs()