diff options
Diffstat (limited to 'arch/openrisc/kernel/idle.c')
| -rw-r--r-- | arch/openrisc/kernel/idle.c | 73 | 
1 files changed, 0 insertions, 73 deletions
diff --git a/arch/openrisc/kernel/idle.c b/arch/openrisc/kernel/idle.c deleted file mode 100644 index 5e8a3b6d6bc..00000000000 --- a/arch/openrisc/kernel/idle.c +++ /dev/null @@ -1,73 +0,0 @@ -/* - * OpenRISC idle.c - * - * Linux architectural port borrowing liberally from similar works of - * others.  All original copyrights apply as per the original source - * declaration. - * - * Modifications for the OpenRISC architecture: - * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com> - * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> - * - *      This program is free software; you can redistribute it and/or - *      modify it under the terms of the GNU General Public License - *      as published by the Free Software Foundation; either version - *      2 of the License, or (at your option) any later version. - * - * Idle daemon for or32.  Idle daemon will handle any action - * that needs to be taken when the system becomes idle. - */ - -#include <linux/errno.h> -#include <linux/sched.h> -#include <linux/kernel.h> -#include <linux/mm.h> -#include <linux/smp.h> -#include <linux/stddef.h> -#include <linux/unistd.h> -#include <linux/ptrace.h> -#include <linux/slab.h> -#include <linux/tick.h> - -#include <asm/pgtable.h> -#include <asm/uaccess.h> -#include <asm/io.h> -#include <asm/processor.h> -#include <asm/mmu.h> -#include <asm/cache.h> -#include <asm/pgalloc.h> - -void (*powersave) (void) = NULL; - -void cpu_idle(void) -{ -	set_thread_flag(TIF_POLLING_NRFLAG); - -	/* endless idle loop with no priority at all */ -	while (1) { -		tick_nohz_idle_enter(); -		rcu_idle_enter(); - -		while (!need_resched()) { -			check_pgt_cache(); -			rmb(); - -			clear_thread_flag(TIF_POLLING_NRFLAG); - -			local_irq_disable(); -			/* Don't trace irqs off for idle */ -			stop_critical_timings(); -			if (!need_resched() && powersave != NULL) -				powersave(); -			start_critical_timings(); -			local_irq_enable(); -			set_thread_flag(TIF_POLLING_NRFLAG); -		} - -		rcu_idle_exit(); -		tick_nohz_idle_exit(); -		preempt_enable_no_resched(); -		schedule(); -		preempt_disable(); -	} -}  |