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authorThomas Gleixner <tglx@linutronix.de>2006-07-01 22:30:07 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2006-07-01 22:30:07 +0100
commita2166abd06e7a9fd34eb18b7b27da18c6146e6ef (patch)
tree42071bca4f8e53295c2c5ce50db43e86a3d4fc37 /kernel
parent9262e9149f346a5443300f8c451b8e7631e81a42 (diff)
downloadblackbird-op-linux-a2166abd06e7a9fd34eb18b7b27da18c6146e6ef.tar.gz
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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>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/irq/handle.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index 5a360dd4331b..961b87591731 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -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();
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