diff options
Diffstat (limited to 'arch/sparc/kernel/reboot.c')
-rw-r--r-- | arch/sparc/kernel/reboot.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/arch/sparc/kernel/reboot.c b/arch/sparc/kernel/reboot.c new file mode 100644 index 000000000000..ef89d3d69748 --- /dev/null +++ b/arch/sparc/kernel/reboot.c | |||
@@ -0,0 +1,53 @@ | |||
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/module.h> | ||
8 | #include <linux/pm.h> | ||
9 | |||
10 | #include <asm/system.h> | ||
11 | #include <asm/oplib.h> | ||
12 | #include <asm/prom.h> | ||
13 | |||
14 | /* sysctl - toggle power-off restriction for serial console | ||
15 | * systems in machine_power_off() | ||
16 | */ | ||
17 | int scons_pwroff = 1; | ||
18 | |||
19 | /* This isn't actually used, it exists merely to satisfy the | ||
20 | * reference in kernel/sys.c | ||
21 | */ | ||
22 | void (*pm_power_off)(void) = machine_power_off; | ||
23 | EXPORT_SYMBOL(pm_power_off); | ||
24 | |||
25 | void 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 | |||
33 | void machine_halt(void) | ||
34 | { | ||
35 | prom_halt(); | ||
36 | panic("Halt failed!"); | ||
37 | } | ||
38 | |||
39 | void 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 | |||