mirror of
https://github.com/torvalds/linux.git
synced 2024-11-22 04:38:03 +00:00
c3ede0b6f7
Use device life-cycle managed register function to simplify probe and exit paths. Signed-off-by: Andrew Davis <afd@ti.com> Link: https://lore.kernel.org/r/20240212162831.67838-18-afd@ti.com Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
// 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 int restart_poweroff_do_poweroff(struct sys_off_data *data)
|
|
{
|
|
reboot_mode = REBOOT_HARD;
|
|
machine_restart(NULL);
|
|
return NOTIFY_DONE;
|
|
}
|
|
|
|
static int restart_poweroff_probe(struct platform_device *pdev)
|
|
{
|
|
/* Set this handler to low priority to not override an existing handler */
|
|
return devm_register_sys_off_handler(&pdev->dev,
|
|
SYS_OFF_MODE_POWER_OFF,
|
|
SYS_OFF_PRIO_LOW,
|
|
restart_poweroff_do_poweroff,
|
|
NULL);
|
|
}
|
|
|
|
static const struct of_device_id of_restart_poweroff_match[] = {
|
|
{ .compatible = "restart-poweroff", },
|
|
{},
|
|
};
|
|
MODULE_DEVICE_TABLE(of, of_restart_poweroff_match);
|
|
|
|
static struct platform_driver restart_poweroff_driver = {
|
|
.probe = restart_poweroff_probe,
|
|
.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_ALIAS("platform:poweroff-restart");
|