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// 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");
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