arm64: dts: Revert "specify console via command line"
[linux/fpc-iii.git] / arch / sh / kernel / idle.c
blobc20fc5487e051f47a71cdb337b3f6e8794315d99
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * The idle loop for all SuperH platforms.
5 * Copyright (C) 2002 - 2009 Paul Mundt
6 */
7 #include <linux/module.h>
8 #include <linux/init.h>
9 #include <linux/mm.h>
10 #include <linux/pm.h>
11 #include <linux/tick.h>
12 #include <linux/preempt.h>
13 #include <linux/thread_info.h>
14 #include <linux/irqflags.h>
15 #include <linux/smp.h>
16 #include <linux/atomic.h>
17 #include <asm/pgalloc.h>
18 #include <asm/smp.h>
19 #include <asm/bl_bit.h>
21 static void (*sh_idle)(void);
23 void default_idle(void)
25 set_bl_bit();
26 local_irq_enable();
27 /* Isn't this racy ? */
28 cpu_sleep();
29 clear_bl_bit();
32 void arch_cpu_idle_dead(void)
34 play_dead();
37 void arch_cpu_idle(void)
39 sh_idle();
42 void __init select_idle_routine(void)
45 * If a platform has set its own idle routine, leave it alone.
47 if (!sh_idle)
48 sh_idle = default_idle;
51 void stop_this_cpu(void *unused)
53 local_irq_disable();
54 set_cpu_online(smp_processor_id(), false);
56 for (;;)
57 cpu_sleep();