// SPDX-License-Identifier: GPL-2.0+/* * Serial core controller driver * * Copyright (C) 2023 Texas Instruments Incorporated - https://www.ti.com/ * Author: Tony Lindgren <tony@atomide.com> * * This driver manages the serial core controller struct device instances. * The serial core controller devices are children of the physical serial * port device. */ #include <linux/device.h>#include <linux/module.h>#include <linux/pm_runtime.h>#include <linux/serial_core.h>#include <linux/spinlock.h> #include "serial_base.h" static int serial_ctrl_probe(struct device *dev){	pm_runtime_enable(dev); 	return 0;} static int serial_ctrl_remove(struct device *dev){	pm_runtime_disable(dev); 	return 0;} /* * Serial core controller device init functions. Note that the physical * serial port device driver may not have completed probe at this point. */int serial_ctrl_register_port(struct uart_driver *drv, struct uart_port *port){	return serial_core_register_port(drv, port);} void serial_ctrl_unregister_port(struct uart_driver *drv, struct uart_port *port){	serial_core_unregister_port(drv, port);} static struct device_driver serial_ctrl_driver = {	.name = "ctrl",	.suppress_bind_attrs = true,	.probe = serial_ctrl_probe,	.remove = serial_ctrl_remove,}; int serial_base_ctrl_init(void){	return serial_base_driver_register(&serial_ctrl_driver);} void serial_base_ctrl_exit(void){	serial_base_driver_unregister(&serial_ctrl_driver);} MODULE_AUTHOR("Tony Lindgren <tony@atomide.com>");MODULE_DESCRIPTION("Serial core controller driver");MODULE_LICENSE("GPL");