Contributors: 5
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Andrew Lunn |
167 |
93.30% |
1 |
20.00% |
| Guenter Roeck |
5 |
2.79% |
1 |
20.00% |
| Robin Holt |
4 |
2.23% |
1 |
20.00% |
| Thomas Gleixner |
2 |
1.12% |
1 |
20.00% |
| Björn Helgaas |
1 |
0.56% |
1 |
20.00% |
| Total |
179 |
|
5 |
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* Power off by restarting and let u-boot keep hold of the machine
* until the user presses a button for example.
*
* Andrew Lunn <andrew@lunn.ch>
*
* Copyright (C) 2012 Andrew Lunn
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/of_platform.h>
#include <linux/module.h>
#include <linux/reboot.h>
static void restart_poweroff_do_poweroff(void)
{
reboot_mode = REBOOT_HARD;
machine_restart(NULL);
}
static int restart_poweroff_probe(struct platform_device *pdev)
{
/* If a pm_power_off function has already been added, leave it alone */
if (pm_power_off != NULL) {
dev_err(&pdev->dev,
"pm_power_off function already registered");
return -EBUSY;
}
pm_power_off = &restart_poweroff_do_poweroff;
return 0;
}
static int restart_poweroff_remove(struct platform_device *pdev)
{
if (pm_power_off == &restart_poweroff_do_poweroff)
pm_power_off = NULL;
return 0;
}
static const struct of_device_id of_restart_poweroff_match[] = {
{ .compatible = "restart-poweroff", },
{},
};
static struct platform_driver restart_poweroff_driver = {
.probe = restart_poweroff_probe,
.remove = restart_poweroff_remove,
.driver = {
.name = "poweroff-restart",
.of_match_table = of_restart_poweroff_match,
},
};
module_platform_driver(restart_poweroff_driver);
MODULE_AUTHOR("Andrew Lunn <andrew@lunn.ch");
MODULE_DESCRIPTION("restart poweroff driver");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:poweroff-restart");