ia64: Use irq_init_desc

Switch over to the new interface. No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Grant Likely <grant.likely@linaro.org>
Tested-by: Tony Luck <tony.luck@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Link: http://lkml.kernel.org/r/20140507154340.782586778@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c
index 5774c3b..03ea78e 100644
--- a/arch/ia64/kernel/irq_ia64.c
+++ b/arch/ia64/kernel/irq_ia64.c
@@ -382,8 +382,7 @@
 {
 	unsigned long flags;
 
-	dynamic_irq_cleanup(irq);
-
+	irq_init_desc(irq);
 	spin_lock_irqsave(&vector_lock, flags);
 	__clear_irq_vector(irq);
 	irq_status[irq] = IRQ_RSVD;
@@ -416,13 +415,13 @@
  out:
 	spin_unlock_irqrestore(&vector_lock, flags);
 	if (irq >= 0)
-		dynamic_irq_init(irq);
+		irq_init_desc(irq);
 	return irq;
 }
 
 void destroy_irq(unsigned int irq)
 {
-	dynamic_irq_cleanup(irq);
+	irq_init_desc(irq);
 	clear_irq_vector(irq);
 }