From 9e4559ddffc012a73ea0b54ed3b6a219c1483ae9 Mon Sep 17 00:00:00 2001
From: Kevin Hilman <khilman@mvista.com>
Date: Wed, 14 Mar 2007 17:33:24 +0100
Subject: [ARM] 4258/2: Support for dynticks in idle loop

And, wrap timer_tick() and sysdev suspend/resume in
!GENERIC_CLOCKEVENTS since clockevent layer takes care
of these.

Signed-off-by: Kevin Hilman <khilman@mvista.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/kernel/process.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'arch/arm/kernel/process.c')

diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 8afd83d0cbd..5d6e6523598 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -27,6 +27,7 @@
 #include <linux/cpu.h>
 #include <linux/elfcore.h>
 #include <linux/pm.h>
+#include <linux/tick.h>
 
 #include <asm/leds.h>
 #include <asm/processor.h>
@@ -159,9 +160,11 @@ void cpu_idle(void)
 		if (!idle)
 			idle = default_idle;
 		leds_event(led_idle_start);
+		tick_nohz_stop_sched_tick();
 		while (!need_resched())
 			idle();
 		leds_event(led_idle_end);
+		tick_nohz_restart_sched_tick();
 		preempt_enable_no_resched();
 		schedule();
 		preempt_disable();
-- 
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