Commit 9e4559dd authored by Kevin Hilman's avatar Kevin Hilman Committed by Russell King

[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: default avatarKevin Hilman <khilman@mvista.com>
Acked-by: default avatarThomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 0567a0c0
......@@ -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();
......
......@@ -327,6 +327,7 @@ void restore_time_delta(struct timespec *delta, struct timespec *rtc)
}
EXPORT_SYMBOL(restore_time_delta);
#ifndef CONFIG_GENERIC_CLOCKEVENTS
/*
* Kernel system timer support.
*/
......@@ -340,8 +341,9 @@ void timer_tick(void)
update_process_times(user_mode(get_irq_regs()));
#endif
}
#endif
#ifdef CONFIG_PM
#if defined(CONFIG_PM) && !defined(CONFIG_GENERIC_CLOCKEVENTS)
static int timer_suspend(struct sys_device *dev, pm_message_t state)
{
struct sys_timer *timer = container_of(dev, struct sys_timer, dev);
......
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