[PATCH] genirq: cleanup: remove irq_descp()

Cleanup: remove irq_descp() - explicit use of irq_desc[] is shorter and more
readable.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/ia64/hp/sim/hpsim_irq.c b/arch/ia64/hp/sim/hpsim_irq.c
index c0d25a2..8145547 100644
--- a/arch/ia64/hp/sim/hpsim_irq.c
+++ b/arch/ia64/hp/sim/hpsim_irq.c
@@ -44,8 +44,8 @@
 	int i;
 
 	for (i = 0; i < NR_IRQS; ++i) {
-		idesc = irq_descp(i);
-		if (idesc->handler == &no_irq_type)
-			idesc->handler = &irq_type_hp_sim;
+		idesc = irq_desc + i;
+		if (idesc->chip == &no_irq_type)
+			idesc->chip = &irq_type_hp_sim;
 	}
 }