67 	struct usb_serial *serial;  in usb_serial_port_get_by_minor()  local
75 	serial = port->serial;  in usb_serial_port_get_by_minor()
76 	mutex_lock(&serial->disc_mutex);  in usb_serial_port_get_by_minor()
77 	if (serial->disconnected) {  in usb_serial_port_get_by_minor()
78 		mutex_unlock(&serial->disc_mutex);  in usb_serial_port_get_by_minor()
81 		kref_get(&serial->kref);  in usb_serial_port_get_by_minor()
88 static int allocate_minors(struct usb_serial *serial, int num_ports)  in allocate_minors()  argument
94 	dev_dbg(&serial->interface->dev, "%s %d\n", __func__, num_ports);  in allocate_minors()
98 		port = serial->port[i];  in allocate_minors()
105 	serial->minors_reserved = 1;  in allocate_minors()
111 		idr_remove(&serial_minors, serial->port[j]->minor);  in allocate_minors()
116 static void release_minors(struct usb_serial *serial)  in release_minors()  argument
121 	for (i = 0; i < serial->num_ports; ++i)  in release_minors()
122 		idr_remove(&serial_minors, serial->port[i]->minor);  in release_minors()
124 	serial->minors_reserved = 0;  in release_minors()
129 	struct usb_serial *serial;  in destroy_serial()  local
133 	serial = to_usb_serial(kref);  in destroy_serial()
136 	if (serial->minors_reserved)  in destroy_serial()
137 		release_minors(serial);  in destroy_serial()
139 	if (serial->attached && serial->type->release)  in destroy_serial()
140 		serial->type->release(serial);  in destroy_serial()
143 	for (i = 0; i < serial->num_port_pointers; ++i) {  in destroy_serial()
144 		port = serial->port[i];  in destroy_serial()
146 			port->serial = NULL;  in destroy_serial()
151 	usb_put_intf(serial->interface);  in destroy_serial()
152 	usb_put_dev(serial->dev);  in destroy_serial()
153 	kfree(serial);  in destroy_serial()
156 void usb_serial_put(struct usb_serial *serial)  in usb_serial_put()  argument
158 	kref_put(&serial->kref, destroy_serial);  in usb_serial_put()
182 	struct usb_serial *serial;  in serial_install()  local
190 	serial = port->serial;  in serial_install()
191 	if (!try_module_get(serial->type->driver.owner))  in serial_install()
194 	retval = usb_autopm_get_interface(serial->interface);  in serial_install()
202 	mutex_unlock(&serial->disc_mutex);  in serial_install()
205 	if (serial->type->init_termios)  in serial_install()
206 		serial->type->init_termios(tty);  in serial_install()
213 	usb_autopm_put_interface(serial->interface);  in serial_install()
215 	module_put(serial->type->driver.owner);  in serial_install()
217 	usb_serial_put(serial);  in serial_install()
218 	mutex_unlock(&serial->disc_mutex);  in serial_install()
226 	struct usb_serial *serial = port->serial;  in serial_port_activate()  local
229 	mutex_lock(&serial->disc_mutex);  in serial_port_activate()
230 	if (serial->disconnected)  in serial_port_activate()
233 		retval = port->serial->type->open(tty, port);  in serial_port_activate()
234 	mutex_unlock(&serial->disc_mutex);  in serial_port_activate()
265 	struct usb_serial_driver *drv = port->serial->type;  in serial_port_shutdown()
301 	struct usb_serial *serial;  in serial_cleanup()  local
314 	serial = port->serial;  in serial_cleanup()
315 	owner = serial->type->driver.owner;  in serial_cleanup()
317 	mutex_lock(&serial->disc_mutex);  in serial_cleanup()
318 	if (!serial->disconnected)  in serial_cleanup()
319 		usb_autopm_put_interface(serial->interface);  in serial_cleanup()
320 	mutex_unlock(&serial->disc_mutex);  in serial_cleanup()
322 	usb_serial_put(serial);  in serial_cleanup()
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()
350 	return port->serial->type->write_room(tty);  in serial_write_room()
356 	struct usb_serial *serial = port->serial;  in serial_chars_in_buffer()  local
360 	if (serial->disconnected)  in serial_chars_in_buffer()
363 	return serial->type->chars_in_buffer(tty);  in serial_chars_in_buffer()
369 	struct usb_serial *serial = port->serial;  in serial_wait_until_sent()  local
373 	if (!port->serial->type->wait_until_sent)  in serial_wait_until_sent()
376 	mutex_lock(&serial->disc_mutex);  in serial_wait_until_sent()
377 	if (!serial->disconnected)  in serial_wait_until_sent()
378 		port->serial->type->wait_until_sent(tty, timeout);  in serial_wait_until_sent()
379 	mutex_unlock(&serial->disc_mutex);  in serial_wait_until_sent()
388 	if (port->serial->type->throttle)  in serial_throttle()
389 		port->serial->type->throttle(tty);  in serial_throttle()
398 	if (port->serial->type->unthrottle)  in serial_unthrottle()
399 		port->serial->type->unthrottle(tty);  in serial_unthrottle()
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()
429 	if (port->serial->type->set_termios)  in serial_set_termios()
430 		port->serial->type->set_termios(tty, port, old);  in serial_set_termios()
441 	if (port->serial->type->break_ctl)  in serial_break()
442 		port->serial->type->break_ctl(tty, break_state);  in serial_break()
449 	struct usb_serial *serial;  in serial_proc_show()  local
459 		serial = port->serial;  in serial_proc_show()
462 		if (serial->type->driver.owner)  in serial_proc_show()
464 				module_name(serial->type->driver.owner));  in serial_proc_show()
466 				serial->type->description);  in serial_proc_show()
468 			le16_to_cpu(serial->dev->descriptor.idVendor),  in serial_proc_show()
469 			le16_to_cpu(serial->dev->descriptor.idProduct));  in serial_proc_show()
470 		seq_printf(m, " num_ports:%d", serial->num_ports);  in serial_proc_show()
472 		usb_make_path(serial->dev, tmp, sizeof(tmp));  in serial_proc_show()
476 		usb_serial_put(serial);  in serial_proc_show()
477 		mutex_unlock(&serial->disc_mutex);  in serial_proc_show()
501 	if (port->serial->type->tiocmget)  in serial_tiocmget()
502 		return port->serial->type->tiocmget(tty);  in serial_tiocmget()
513 	if (port->serial->type->tiocmset)  in serial_tiocmset()
514 		return port->serial->type->tiocmset(tty, set, clear);  in serial_tiocmset()
525 	if (port->serial->type->get_icount)  in serial_get_icount()
526 		return port->serial->type->get_icount(tty, icount);  in serial_get_icount()
603 	struct usb_serial *serial;  in create_serial()  local
605 	serial = kzalloc(sizeof(*serial), GFP_KERNEL);  in create_serial()
606 	if (!serial)  in create_serial()
608 	serial->dev = usb_get_dev(dev);  in create_serial()
609 	serial->type = driver;  in create_serial()
610 	serial->interface = usb_get_intf(interface);  in create_serial()
611 	kref_init(&serial->kref);  in create_serial()
612 	mutex_init(&serial->disc_mutex);  in create_serial()
613 	serial->minors_reserved = 0;  in create_serial()
615 	return serial;  in create_serial()
673 	struct usb_serial_driver *drv = p->serial->type;  in serial_port_carrier_raised()
684 	struct usb_serial_driver *drv = p->serial->type;  in serial_port_dtr_rts()
717 	struct usb_serial *serial = NULL;  in usb_serial_probe()  local
752 	serial = create_serial(dev, interface, type);  in usb_serial_probe()
753 	if (!serial) {  in usb_serial_probe()
763 		retval = type->probe(serial, id);  in usb_serial_probe()
767 			usb_serial_put(serial);  in usb_serial_probe()
851 			usb_serial_put(serial);  in usb_serial_probe()
864 			usb_serial_put(serial);  in usb_serial_probe()
875 			num_ports = type->calc_num_ports(serial);  in usb_serial_probe()
885 	serial->num_ports = num_ports;  in usb_serial_probe()
886 	serial->num_bulk_in = num_bulk_in;  in usb_serial_probe()
887 	serial->num_bulk_out = num_bulk_out;  in usb_serial_probe()
888 	serial->num_interrupt_in = num_interrupt_in;  in usb_serial_probe()
889 	serial->num_interrupt_out = num_interrupt_out;  in usb_serial_probe()
900 	max_endpoints = max(max_endpoints, (int)serial->num_ports);  in usb_serial_probe()
901 	serial->num_port_pointers = max_endpoints;  in usb_serial_probe()
910 		port->serial = serial;  in usb_serial_probe()
915 		serial->port[i] = port;  in usb_serial_probe()
927 		port = serial->port[i];  in usb_serial_probe()
928 		buffer_size = max_t(int, serial->type->bulk_in_size,  in usb_serial_probe()
946 					serial->type->read_bulk_callback,  in usb_serial_probe()
956 		port = serial->port[i];  in usb_serial_probe()
959 		buffer_size = serial->type->bulk_out_size;  in usb_serial_probe()
978 					serial->type->write_bulk_callback,  in usb_serial_probe()
986 	if (serial->type->read_int_callback) {  in usb_serial_probe()
989 			port = serial->port[i];  in usb_serial_probe()
1004 				serial->type->read_int_callback, port,  in usb_serial_probe()
1011 	if (serial->type->write_int_callback) {  in usb_serial_probe()
1014 			port = serial->port[i];  in usb_serial_probe()
1030 				serial->type->write_int_callback, port,  in usb_serial_probe()
1037 	usb_set_intfdata(interface, serial);  in usb_serial_probe()
1041 		retval = type->attach(serial);  in usb_serial_probe()
1044 		serial->attached = 1;  in usb_serial_probe()
1048 			serial->num_ports = 0;  in usb_serial_probe()
1052 		serial->attached = 1;  in usb_serial_probe()
1059 	serial->disconnected = 1;  in usb_serial_probe()
1061 	if (allocate_minors(serial, num_ports)) {  in usb_serial_probe()
1068 		port = serial->port[i];  in usb_serial_probe()
1078 	serial->disconnected = 0;  in usb_serial_probe()
1080 	usb_serial_console_init(serial->port[0]->minor);  in usb_serial_probe()
1086 	usb_serial_put(serial);  in usb_serial_probe()
1094 	struct usb_serial *serial = usb_get_intfdata(interface);  in usb_serial_disconnect()  local
1099 	usb_serial_console_disconnect(serial);  in usb_serial_disconnect()
1101 	mutex_lock(&serial->disc_mutex);  in usb_serial_disconnect()
1103 	serial->disconnected = 1;  in usb_serial_disconnect()
1104 	mutex_unlock(&serial->disc_mutex);  in usb_serial_disconnect()
1106 	for (i = 0; i < serial->num_ports; ++i) {  in usb_serial_disconnect()
1107 		port = serial->port[i];  in usb_serial_disconnect()
1119 	if (serial->type->disconnect)  in usb_serial_disconnect()
1120 		serial->type->disconnect(serial);  in usb_serial_disconnect()
1123 	usb_serial_put(serial);  in usb_serial_disconnect()
1129 	struct usb_serial *serial = usb_get_intfdata(intf);  in usb_serial_suspend()  local
1132 	serial->suspending = 1;  in usb_serial_suspend()
1139 	if (serial->type->suspend) {  in usb_serial_suspend()
1140 		r = serial->type->suspend(serial, message);  in usb_serial_suspend()
1142 			serial->suspending = 0;  in usb_serial_suspend()
1147 	for (i = 0; i < serial->num_ports; ++i)  in usb_serial_suspend()
1148 		usb_serial_port_poison_urbs(serial->port[i]);  in usb_serial_suspend()
1154 static void usb_serial_unpoison_port_urbs(struct usb_serial *serial)  in usb_serial_unpoison_port_urbs()  argument
1158 	for (i = 0; i < serial->num_ports; ++i)  in usb_serial_unpoison_port_urbs()
1159 		usb_serial_port_unpoison_urbs(serial->port[i]);  in usb_serial_unpoison_port_urbs()
1164 	struct usb_serial *serial = usb_get_intfdata(intf);  in usb_serial_resume()  local
1167 	usb_serial_unpoison_port_urbs(serial);  in usb_serial_resume()
1169 	serial->suspending = 0;  in usb_serial_resume()
1170 	if (serial->type->resume)  in usb_serial_resume()
1171 		rv = serial->type->resume(serial);  in usb_serial_resume()
1173 		rv = usb_serial_generic_resume(serial);  in usb_serial_resume()
1181 	struct usb_serial *serial = usb_get_intfdata(intf);  in usb_serial_reset_resume()  local
1184 	usb_serial_unpoison_port_urbs(serial);  in usb_serial_reset_resume()
1186 	serial->suspending = 0;  in usb_serial_reset_resume()
1187 	if (serial->type->reset_resume) {  in usb_serial_reset_resume()
1188 		rv = serial->type->reset_resume(serial);  in usb_serial_reset_resume()