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