1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright (C) 2012 Regents of the University of California 4 */ 5 6 #include <linux/reboot.h> 7 #include <linux/pm.h> 8 9 static void default_power_off(void) 10 { 11 while (1) 12 wait_for_interrupt(); 13 } 14 15 void (*pm_power_off)(void) = NULL; 16 EXPORT_SYMBOL(pm_power_off); 17 18 void machine_restart(char *cmd) 19 { 20 do_kernel_restart(cmd); 21 while (1); 22 } 23 24 void machine_halt(void) 25 { 26 if (pm_power_off != NULL) 27 pm_power_off(); 28 else 29 default_power_off(); 30 } 31 32 void machine_power_off(void) 33 { 34 if (pm_power_off != NULL) 35 pm_power_off(); 36 else 37 default_power_off(); 38 } 39