x86: add ACPI reboot option

[pandora-kernel.git] / arch / x86 / kernel / reboot_64.c

diff --git a/arch/x86/kernel/reboot_64.c b/arch/x86/kernel/reboot_64.c
index 53620a9..307f996 100644 (file)
--- a/arch/x86/kernel/reboot_64.c
+++ b/arch/x86/kernel/reboot_64.c
@@ -9,6 +9,7 @@
 #include <linux/pm.h>
 #include <linux/kdebug.h>
 #include <linux/sched.h>
+#include <acpi/reboot.h>
 #include <asm/io.h>
 #include <asm/delay.h>
 #include <asm/desc.h>
@@ -29,7 +30,8 @@ EXPORT_SYMBOL(pm_power_off);
 static long no_idt[3];
 static enum { 
        BOOT_TRIPLE = 't',
-       BOOT_KBD = 'k'
+       BOOT_KBD = 'k',
+       BOOT_ACPI = 'a'
 } reboot_type = BOOT_KBD;
 static int reboot_mode = 0;
 int reboot_force;
@@ -39,6 +41,7 @@ int reboot_force;
    cold   Set the cold reboot flag
    triple Force a triple fault (init)
    kbd    Use the keyboard controller. cold reset (default)
+   acpi   Use the RESET_REG in the FADT
    force  Avoid anything that could hang.
  */ 
 static int __init reboot_setup(char *str)
@@ -54,6 +57,7 @@ static int __init reboot_setup(char *str)
                        break;
 
                case 't':
+               case 'a':
                case 'b':
                case 'k':
                        reboot_type = *str;
@@ -146,6 +150,11 @@ void machine_emergency_restart(void)
 
                        reboot_type = BOOT_KBD;
                        break;
+
+               case BOOT_ACPI:
+                       acpi_reboot();
+                       reboot_type = BOOT_KBD;
+                       break;
                }      
        }      
 }