irqchip: orion: Convert to handle_domain_irq

Use the new handle_domain_irq method to handle interrupts.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/1409047421-27649-11-git-send-email-marc.zyngier@arm.comSigned-off-by: Jason Cooper <jason@lakedaemon.net>

drivers/irqchip/irq-orion.c

@@ -43,9 +43,8 @@ __exception_irq_entry orion_handle_irq(struct pt_regs *regs)
 			gc->mask_cache;
 		while (stat) {
 			u32 hwirq = __fls(stat);
-			u32 irq = irq_find_mapping(orion_irq_domain,
-						   gc->irq_base + hwirq);
-			handle_IRQ(irq, regs);
+			handle_domain_irq(orion_irq_domain,
+					  gc->irq_base + hwirq, regs);
 			stat &= ~(1 << hwirq);
 		}
 	}