63 	struct usb_serial *serial;  in usb_serial_port_get_by_minor()  local
71 	serial = port->serial;  in usb_serial_port_get_by_minor()
72 	mutex_lock(&serial->disc_mutex);  in usb_serial_port_get_by_minor()
73 	if (serial->disconnected) {  in usb_serial_port_get_by_minor()
74 		mutex_unlock(&serial->disc_mutex);  in usb_serial_port_get_by_minor()
77 		kref_get(&serial->kref);  in usb_serial_port_get_by_minor()
84 static int allocate_minors(struct usb_serial *serial, int num_ports)  in allocate_minors()  argument
90 	dev_dbg(&serial->interface->dev, "%s %d\n", __func__, num_ports);  in allocate_minors()
94 		port = serial->port[i];  in allocate_minors()
102 	serial->minors_reserved = 1;  in allocate_minors()
108 		idr_remove(&serial_minors, serial->port[j]->minor);  in allocate_minors()
113 static void release_minors(struct usb_serial *serial)  in release_minors()  argument
118 	for (i = 0; i < serial->num_ports; ++i)  in release_minors()
119 		idr_remove(&serial_minors, serial->port[i]->minor);  in release_minors()
121 	serial->minors_reserved = 0;  in release_minors()
126 	struct usb_serial *serial;  in destroy_serial()  local
130 	serial = to_usb_serial(kref);  in destroy_serial()
133 	if (serial->minors_reserved)  in destroy_serial()
134 		release_minors(serial);  in destroy_serial()
136 	if (serial->attached && serial->type->release)  in destroy_serial()
137 		serial->type->release(serial);  in destroy_serial()
140 	for (i = 0; i < serial->num_port_pointers; ++i) {  in destroy_serial()
141 		port = serial->port[i];  in destroy_serial()
143 			port->serial = NULL;  in destroy_serial()
148 	usb_put_intf(serial->interface);  in destroy_serial()
149 	usb_put_dev(serial->dev);  in destroy_serial()
150 	kfree(serial);  in destroy_serial()
153 void usb_serial_put(struct usb_serial *serial)  in usb_serial_put()  argument
155 	kref_put(&serial->kref, destroy_serial);  in usb_serial_put()
179 	struct usb_serial *serial;  in serial_install()  local
187 	serial = port->serial;  in serial_install()
188 	if (!try_module_get(serial->type->driver.owner))  in serial_install()
191 	retval = usb_autopm_get_interface(serial->interface);  in serial_install()
199 	mutex_unlock(&serial->disc_mutex);  in serial_install()
202 	if (serial->type->init_termios)  in serial_install()
203 		serial->type->init_termios(tty);  in serial_install()
210 	usb_autopm_put_interface(serial->interface);  in serial_install()
212 	module_put(serial->type->driver.owner);  in serial_install()
214 	usb_serial_put(serial);  in serial_install()
215 	mutex_unlock(&serial->disc_mutex);  in serial_install()
223 	struct usb_serial *serial = port->serial;  in serial_port_activate()  local
226 	mutex_lock(&serial->disc_mutex);  in serial_port_activate()
227 	if (serial->disconnected)  in serial_port_activate()
230 		retval = port->serial->type->open(tty, port);  in serial_port_activate()
231 	mutex_unlock(&serial->disc_mutex);  in serial_port_activate()
262 	struct usb_serial_driver *drv = port->serial->type;  in serial_port_shutdown()
298 	struct usb_serial *serial;  in serial_cleanup()  local
311 	serial = port->serial;  in serial_cleanup()
312 	owner = serial->type->driver.owner;  in serial_cleanup()
314 	mutex_lock(&serial->disc_mutex);  in serial_cleanup()
315 	if (!serial->disconnected)  in serial_cleanup()
316 		usb_autopm_put_interface(serial->interface);  in serial_cleanup()
317 	mutex_unlock(&serial->disc_mutex);  in serial_cleanup()
319 	usb_serial_put(serial);  in serial_cleanup()
329 	if (port->serial->dev->state == USB_STATE_NOTATTACHED)  in serial_write()
334 	retval = port->serial->type->write(tty, port, buf, count);  in serial_write()
347 	return port->serial->type->write_room(tty);  in serial_write_room()
353 	struct usb_serial *serial = port->serial;  in serial_chars_in_buffer()  local
357 	if (serial->disconnected)  in serial_chars_in_buffer()
360 	return serial->type->chars_in_buffer(tty);  in serial_chars_in_buffer()
366 	struct usb_serial *serial = port->serial;  in serial_wait_until_sent()  local
370 	if (!port->serial->type->wait_until_sent)  in serial_wait_until_sent()
373 	mutex_lock(&serial->disc_mutex);  in serial_wait_until_sent()
374 	if (!serial->disconnected)  in serial_wait_until_sent()
375 		port->serial->type->wait_until_sent(tty, timeout);  in serial_wait_until_sent()
376 	mutex_unlock(&serial->disc_mutex);  in serial_wait_until_sent()
385 	if (port->serial->type->throttle)  in serial_throttle()
386 		port->serial->type->throttle(tty);  in serial_throttle()
395 	if (port->serial->type->unthrottle)  in serial_unthrottle()
396 		port->serial->type->unthrottle(tty);  in serial_unthrottle()
409 		if (port->serial->type->tiocmiwait)  in serial_ioctl()
410 			retval = port->serial->type->tiocmiwait(tty, arg);  in serial_ioctl()
413 		if (port->serial->type->ioctl)  in serial_ioctl()
414 			retval = port->serial->type->ioctl(tty, cmd, arg);  in serial_ioctl()
426 	if (port->serial->type->set_termios)  in serial_set_termios()
427 		port->serial->type->set_termios(tty, port, old);  in serial_set_termios()
438 	if (port->serial->type->break_ctl)  in serial_break()
439 		port->serial->type->break_ctl(tty, break_state);  in serial_break()
446 	struct usb_serial *serial;  in serial_proc_show()  local
456 		serial = port->serial;  in serial_proc_show()
459 		if (serial->type->driver.owner)  in serial_proc_show()
461 				module_name(serial->type->driver.owner));  in serial_proc_show()
463 				serial->type->description);  in serial_proc_show()
465 			le16_to_cpu(serial->dev->descriptor.idVendor),  in serial_proc_show()
466 			le16_to_cpu(serial->dev->descriptor.idProduct));  in serial_proc_show()
467 		seq_printf(m, " num_ports:%d", serial->num_ports);  in serial_proc_show()
469 		usb_make_path(serial->dev, tmp, sizeof(tmp));  in serial_proc_show()
473 		usb_serial_put(serial);  in serial_proc_show()
474 		mutex_unlock(&serial->disc_mutex);  in serial_proc_show()
485 	if (port->serial->type->tiocmget)  in serial_tiocmget()
486 		return port->serial->type->tiocmget(tty);  in serial_tiocmget()
497 	if (port->serial->type->tiocmset)  in serial_tiocmset()
498 		return port->serial->type->tiocmset(tty, set, clear);  in serial_tiocmset()
509 	if (port->serial->type->get_icount)  in serial_get_icount()
510 		return port->serial->type->get_icount(tty, icount);  in serial_get_icount()
587 	struct usb_serial *serial;  in create_serial()  local
589 	serial = kzalloc(sizeof(*serial), GFP_KERNEL);  in create_serial()
590 	if (!serial)  in create_serial()
592 	serial->dev = usb_get_dev(dev);  in create_serial()
593 	serial->type = driver;  in create_serial()
594 	serial->interface = usb_get_intf(interface);  in create_serial()
595 	kref_init(&serial->kref);  in create_serial()
596 	mutex_init(&serial->disc_mutex);  in create_serial()
597 	serial->minors_reserved = 0;  in create_serial()
599 	return serial;  in create_serial()
657 	struct usb_serial_driver *drv = p->serial->type;  in serial_port_carrier_raised()
668 	struct usb_serial_driver *drv = p->serial->type;  in serial_port_dtr_rts()
696 static void find_endpoints(struct usb_serial *serial,  in find_endpoints()  argument
699 	struct device *dev = &serial->interface->dev;  in find_endpoints()
709 	iface_desc = serial->interface->cur_altsetting;  in find_endpoints()
732 	struct usb_serial_driver *type = port->serial->type;  in setup_port_bulk_in()
733 	struct usb_device *udev = port->serial->dev;  in setup_port_bulk_in()
764 	struct usb_serial_driver *type = port->serial->type;  in setup_port_bulk_out()
765 	struct usb_device *udev = port->serial->dev;  in setup_port_bulk_out()
801 	struct usb_serial_driver *type = port->serial->type;  in setup_port_interrupt_in()
802 	struct usb_device *udev = port->serial->dev;  in setup_port_interrupt_in()
825 	struct usb_serial_driver *type = port->serial->type;  in setup_port_interrupt_out()
826 	struct usb_device *udev = port->serial->dev;  in setup_port_interrupt_out()
852 	struct usb_serial *serial = NULL;  in usb_serial_probe()  local
876 	serial = create_serial(dev, interface, type);  in usb_serial_probe()
877 	if (!serial) {  in usb_serial_probe()
887 		retval = type->probe(serial, id);  in usb_serial_probe()
902 	find_endpoints(serial, epds);  in usb_serial_probe()
914 		retval = type->calc_num_ports(serial, epds);  in usb_serial_probe()
928 	serial->num_ports = (unsigned char)num_ports;  in usb_serial_probe()
929 	serial->num_bulk_in = epds->num_bulk_in;  in usb_serial_probe()
930 	serial->num_bulk_out = epds->num_bulk_out;  in usb_serial_probe()
931 	serial->num_interrupt_in = epds->num_interrupt_in;  in usb_serial_probe()
932 	serial->num_interrupt_out = epds->num_interrupt_out;  in usb_serial_probe()
943 	max_endpoints = max(max_endpoints, serial->num_ports);  in usb_serial_probe()
944 	serial->num_port_pointers = max_endpoints;  in usb_serial_probe()
955 		port->serial = serial;  in usb_serial_probe()
960 		serial->port[i] = port;  in usb_serial_probe()
971 		retval = setup_port_bulk_in(serial->port[i], epds->bulk_in[i]);  in usb_serial_probe()
977 		retval = setup_port_bulk_out(serial->port[i],  in usb_serial_probe()
983 	if (serial->type->read_int_callback) {  in usb_serial_probe()
985 			retval = setup_port_interrupt_in(serial->port[i],  in usb_serial_probe()
994 	if (serial->type->write_int_callback) {  in usb_serial_probe()
996 			retval = setup_port_interrupt_out(serial->port[i],  in usb_serial_probe()
1005 	usb_set_intfdata(interface, serial);  in usb_serial_probe()
1009 		retval = type->attach(serial);  in usb_serial_probe()
1012 		serial->attached = 1;  in usb_serial_probe()
1016 			serial->num_ports = 0;  in usb_serial_probe()
1020 		serial->attached = 1;  in usb_serial_probe()
1023 	retval = allocate_minors(serial, num_ports);  in usb_serial_probe()
1031 		port = serial->port[i];  in usb_serial_probe()
1042 		usb_serial_console_init(serial->port[0]->minor);  in usb_serial_probe()
1051 	usb_serial_put(serial);  in usb_serial_probe()
1061 	struct usb_serial *serial = usb_get_intfdata(interface);  in usb_serial_disconnect()  local
1066 	usb_serial_console_disconnect(serial);  in usb_serial_disconnect()
1068 	mutex_lock(&serial->disc_mutex);  in usb_serial_disconnect()
1070 	serial->disconnected = 1;  in usb_serial_disconnect()
1071 	mutex_unlock(&serial->disc_mutex);  in usb_serial_disconnect()
1073 	for (i = 0; i < serial->num_ports; ++i) {  in usb_serial_disconnect()
1074 		port = serial->port[i];  in usb_serial_disconnect()
1086 	if (serial->type->disconnect)  in usb_serial_disconnect()
1087 		serial->type->disconnect(serial);  in usb_serial_disconnect()
1090 	usb_serial_put(serial);  in usb_serial_disconnect()
1096 	struct usb_serial *serial = usb_get_intfdata(intf);  in usb_serial_suspend()  local
1099 	serial->suspending = 1;  in usb_serial_suspend()
1106 	if (serial->type->suspend) {  in usb_serial_suspend()
1107 		r = serial->type->suspend(serial, message);  in usb_serial_suspend()
1109 			serial->suspending = 0;  in usb_serial_suspend()
1114 	for (i = 0; i < serial->num_ports; ++i)  in usb_serial_suspend()
1115 		usb_serial_port_poison_urbs(serial->port[i]);  in usb_serial_suspend()
1121 static void usb_serial_unpoison_port_urbs(struct usb_serial *serial)  in usb_serial_unpoison_port_urbs()  argument
1125 	for (i = 0; i < serial->num_ports; ++i)  in usb_serial_unpoison_port_urbs()
1126 		usb_serial_port_unpoison_urbs(serial->port[i]);  in usb_serial_unpoison_port_urbs()
1131 	struct usb_serial *serial = usb_get_intfdata(intf);  in usb_serial_resume()  local
1134 	usb_serial_unpoison_port_urbs(serial);  in usb_serial_resume()
1136 	serial->suspending = 0;  in usb_serial_resume()
1137 	if (serial->type->resume)  in usb_serial_resume()
1138 		rv = serial->type->resume(serial);  in usb_serial_resume()
1140 		rv = usb_serial_generic_resume(serial);  in usb_serial_resume()
1148 	struct usb_serial *serial = usb_get_intfdata(intf);  in usb_serial_reset_resume()  local
1151 	usb_serial_unpoison_port_urbs(serial);  in usb_serial_reset_resume()
1153 	serial->suspending = 0;  in usb_serial_reset_resume()
1154 	if (serial->type->reset_resume) {  in usb_serial_reset_resume()
1155 		rv = serial->type->reset_resume(serial);  in usb_serial_reset_resume()