irqchip: or1k-pic: Convert to handle_domain_irq

Use the new handle_domain_irq method to handle interrupts.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
Link: https://lkml.kernel.org/r/1409047421-27649-22-git-send-email-marc.zyngier@arm.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

drivers/irqchip/irq-or1k-pic.c

@@ -113,7 +113,7 @@ static inline int pic_get_irq(int first)
 	else
 		hwirq = hwirq + first - 1;
 
-	return irq_find_mapping(root_domain, hwirq);
+	return hwirq;
 }
 
 static void or1k_pic_handle_irq(struct pt_regs *regs)
@@ -121,7 +121,7 @@ static void or1k_pic_handle_irq(struct pt_regs *regs)
 	int irq = -1;
 
 	while ((irq = pic_get_irq(irq + 1)) != NO_IRQ)
-		handle_IRQ(irq, regs);
+		handle_domain_irq(root_domain, irq, regs);
 }
 
 static int or1k_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw)