1/* reboot.c: reboot/shutdown/halt/poweroff handling
 2 *
 3 * Copyright (C) 2008 David S. Miller <davem@davemloft.net>
 4 */
 5#include <linux/kernel.h>
 6#include <linux/reboot.h>
 7#include <linux/export.h>
 8#include <linux/pm.h>
 
 9
10#include <asm/oplib.h>
11#include <asm/prom.h>
12#include <asm/setup.h>
13
14/* sysctl - toggle power-off restriction for serial console
15 * systems in machine_power_off()
16 */
17int scons_pwroff = 1;
18
19/* This isn't actually used, it exists merely to satisfy the
20 * reference in kernel/sys.c
21 */
22void (*pm_power_off)(void) = machine_power_off;
23EXPORT_SYMBOL(pm_power_off);
24
25void machine_power_off(void)
26{
27	if (strcmp(of_console_device->type, "serial") || scons_pwroff)
28		prom_halt_power_off();
29
30	prom_halt();
31}
32
33void machine_halt(void)
34{
35	prom_halt();
36	panic("Halt failed!");
37}
38
39void machine_restart(char *cmd)
40{
41	char *p;
42
43	p = strchr(reboot_command, '\n');
44	if (p)
45		*p = 0;
46	if (cmd)
47		prom_reboot(cmd);
48	if (*reboot_command)
49		prom_reboot(reboot_command);
50	prom_reboot("");
51	panic("Reboot failed!");
52}
53

 1// SPDX-License-Identifier: GPL-2.0
 2/* reboot.c: reboot/shutdown/halt/poweroff handling
 3 *
 4 * Copyright (C) 2008 David S. Miller <davem@davemloft.net>
 5 */
 6#include <linux/kernel.h>
 7#include <linux/reboot.h>
 8#include <linux/export.h>
 9#include <linux/pm.h>
10#include <linux/of.h>
11
12#include <asm/oplib.h>
13#include <asm/prom.h>
14#include <asm/setup.h>
15
16/* sysctl - toggle power-off restriction for serial console
17 * systems in machine_power_off()
18 */
19int scons_pwroff = 1;
20
21/* This isn't actually used, it exists merely to satisfy the
22 * reference in kernel/sys.c
23 */
24void (*pm_power_off)(void) = machine_power_off;
25EXPORT_SYMBOL(pm_power_off);
26
27void machine_power_off(void)
28{
29	if (!of_node_is_type(of_console_device, "serial") || scons_pwroff)
30		prom_halt_power_off();
31
32	prom_halt();
33}
34
35void machine_halt(void)
36{
37	prom_halt();
38	panic("Halt failed!");
39}
40
41void machine_restart(char *cmd)
42{
43	char *p;
44
45	p = strchr(reboot_command, '\n');
46	if (p)
47		*p = 0;
48	if (cmd)
49		prom_reboot(cmd);
50	if (*reboot_command)
51		prom_reboot(reboot_command);
52	prom_reboot("");
53	panic("Reboot failed!");
54}
55