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[ARM] 3679/1: ARM: Make ARM dyntick implementation work with genirq 

Patch from Thomas Gleixner

From: Thomas Gleixner <tglx@linutronix.de>

Make the ARM dyntick implementation work with the generic
irq code. This hopefully goes away once we consolidated the
dyntick implementations.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Thomas Gleixner 2006-07-01 22:30:07 +01:00 committed by Russell King
parent 9262e9149f
commit a2166abd06
1 changed files with 13 additions and 0 deletions
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13
kernel/irq/handle.c
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@ -16,6 +16,10 @@
#include <linux/interrupt.h>
#include <linux/kernel_stat.h>
#if defined(CONFIG_NO_IDLE_HZ) && defined(CONFIG_ARM)
#include <asm/dyntick.h>
#endif
#include "internals.h"
/**
@ -113,6 +117,15 @@ irqreturn_t handle_IRQ_event(unsigned int irq, struct pt_regs *regs,
irqreturn_t ret, retval = IRQ_NONE;
unsigned int status = 0;
#if defined(CONFIG_NO_IDLE_HZ) && defined(CONFIG_ARM)
if (!(action->flags & SA_TIMER) && system_timer->dyn_tick != NULL) {
write_seqlock(&xtime_lock);
if (system_timer->dyn_tick->state & DYN_TICK_ENABLED)
system_timer->dyn_tick->handler(irq, 0, regs);
write_sequnlock(&xtime_lock);
}
#endif
if (!(action->flags & SA_INTERRUPT))
local_irq_enable();