1 files changed, 20 insertions, 0 deletions

diff --git a/include/asm-arm/hw_irq.h b/include/asm-arm/hw_irq.h
new file mode 100644
index 000000000000..ea856971989a
--- /dev/null
+++ b/include/asm-arm/hw_irq.h
@@ -0,0 +1,20 @@
+/*
+ * Nothing to see here yet
+ */
+#ifndef _ARCH_ARM_HW_IRQ_H
+#define _ARCH_ARM_HW_IRQ_H
+
+#include <asm/mach/irq.h>
+
+#if defined(CONFIG_NO_IDLE_HZ)
+# include <asm/dyntick.h>
+# define handle_dynamic_tick(action)                                    \
+        if (!(action->flags & IRQF_TIMER) && system_timer->dyn_tick) {  \
+                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
+
+#endif