1 // SPDX-License-Identifier: GPL-2.0
3  * USB Serial Converter Bus specific functions
5  * Copyright (C) 2002 Greg Kroah-Hartman (greg@kroah.com)
24 	 * a simple check here.  in usb_serial_device_match()
26 	if (driver == port->serial->type)  in usb_serial_device_match()
41 	retval = usb_autopm_get_interface(port->serial->interface);  in usb_serial_device_probe()
45 	driver = port->serial->type;  in usb_serial_device_probe()
46 	if (driver->port_probe) {  in usb_serial_device_probe()
47 		retval = driver->port_probe(port);  in usb_serial_device_probe()
52 	minor = port->minor;  in usb_serial_device_probe()
53 	tty_dev = tty_port_register_device(&port->port, usb_serial_tty_driver,  in usb_serial_device_probe()
60 	usb_autopm_put_interface(port->serial->interface);  in usb_serial_device_probe()
62 	dev_info(&port->serial->dev->dev,  in usb_serial_device_probe()
64 		 driver->description, minor);  in usb_serial_device_probe()
69 	if (driver->port_remove)  in usb_serial_device_probe()
70 		driver->port_remove(port);  in usb_serial_device_probe()
72 	usb_autopm_put_interface(port->serial->interface);  in usb_serial_device_probe()
87 	 * Note that no further runtime PM callbacks will be made if  in usb_serial_device_remove()
90 	autopm_err = usb_autopm_get_interface(port->serial->interface);  in usb_serial_device_remove()
92 	minor = port->minor;  in usb_serial_device_remove()
95 	driver = port->serial->type;  in usb_serial_device_remove()
96 	if (driver->port_remove)  in usb_serial_device_remove()
97 		driver->port_remove(port);  in usb_serial_device_remove()
100 		 driver->description, minor);  in usb_serial_device_remove()
103 		usb_autopm_put_interface(port->serial->interface);  in usb_serial_device_remove()
110 	ssize_t retval = usb_store_new_id(&usb_drv->dynids, usb_drv->id_table,  in new_id_store()
113 	if (retval >= 0 && usb_drv->usb_driver != NULL)  in new_id_store()
114 		retval = usb_store_new_id(&usb_drv->usb_driver->dynids,  in new_id_store()
115 					  usb_drv->usb_driver->id_table,  in new_id_store()
116 					  &usb_drv->usb_driver->driver,  in new_id_store()
125 	return usb_show_dynids(&usb_drv->dynids, buf);  in new_id_show()
139 	spin_lock(&drv->dynids.lock);  in free_dynids()
140 	list_for_each_entry_safe(dynid, n, &drv->dynids.list, node) {  in free_dynids()
141 		list_del(&dynid->node);  in free_dynids()
144 	spin_unlock(&drv->dynids.lock);  in free_dynids()
148 	.name =		"usb-serial",
159 	driver->driver.bus = &usb_serial_bus_type;  in usb_serial_bus_register()
160 	spin_lock_init(&driver->dynids.lock);  in usb_serial_bus_register()
161 	INIT_LIST_HEAD(&driver->dynids.list);  in usb_serial_bus_register()
163 	retval = driver_register(&driver->driver);  in usb_serial_bus_register()
171 	driver_unregister(&driver->driver);  in usb_serial_bus_deregister()