release/src-rt-6.x.4708/linux/linux-2.6.36/arch/mips/kernel/reset.c

   1 /*
   2  * This file is subject to the terms and conditions of the GNU General Public
   3  * License.  See the file "COPYING" in the main directory of this archive
   4  * for more details.
   5  *
   6  * Copyright (C) 2001, 06 by Ralf Baechle (ralf@linux-mips.org)
   7  * Copyright (C) 2001 MIPS Technologies, Inc.
   8  */
   9 #include <linux/kernel.h>
  10 #include <linux/module.h>
  11 #include <linux/pm.h>
  12 #include <linux/types.h>
  13 #include <linux/reboot.h>
  14
  15 #include <asm/reboot.h>
  16
  17 /*
  18  * Urgs ...  Too many MIPS machines to handle this in a generic way.
  19  * So handle all using function pointers to machine specific
  20  * functions.
  21  */
  22 void (*_machine_restart)(char *command);
  23 void (*_machine_halt)(void);
  24 void (*pm_power_off)(void);
  25
  26 EXPORT_SYMBOL(pm_power_off);
  27
  28 void machine_restart(char *command)
  29 {
  30         if (_machine_restart)
  31                 _machine_restart(command);
  32 }
  33
  34 void machine_halt(void)
  35 {
  36         if (_machine_halt)
  37                 _machine_halt();
  38 }
  39
  40 void machine_power_off(void)
  41 {
  42         if (pm_power_off)
  43                 pm_power_off();
  44 }