[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>
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@ -16,6 +16,10 @@
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#include <linux/interrupt.h>
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#include <linux/kernel_stat.h>
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#if defined(CONFIG_NO_IDLE_HZ) && defined(CONFIG_ARM)
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#include <asm/dyntick.h>
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#endif
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#include "internals.h"
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/**
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@ -113,6 +117,15 @@ irqreturn_t handle_IRQ_event(unsigned int irq, struct pt_regs *regs,
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irqreturn_t ret, retval = IRQ_NONE;
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unsigned int status = 0;
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#if defined(CONFIG_NO_IDLE_HZ) && defined(CONFIG_ARM)
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if (!(action->flags & SA_TIMER) && system_timer->dyn_tick != NULL) {
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write_seqlock(&xtime_lock);
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if (system_timer->dyn_tick->state & DYN_TICK_ENABLED)
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system_timer->dyn_tick->handler(irq, 0, regs);
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write_sequnlock(&xtime_lock);
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}
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#endif
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if (!(action->flags & SA_INTERRUPT))
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local_irq_enable();
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