irqchip/i8259: Convert to use irq_set_chained_handler_and_data

Chained irq handlers usually set up handler data as well. We now have
a function to set both under irq_desc->lock. Replace the two calls
with one.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Link: http://lkml.kernel.org/r/1443709604.12993.0.camel@ingics.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

drivers/irqchip/irq-i8259.c

@@ -377,8 +377,8 @@ int __init i8259_of_init(struct device_node *node, struct device_node *parent)
 	}
 
 	domain = __init_i8259_irqs(node);
-	irq_set_handler_data(parent_irq, domain);
-	irq_set_chained_handler(parent_irq, i8259_irq_dispatch);
+	irq_set_chained_handler_and_data(parent_irq, i8259_irq_dispatch,
+					 domain);
 	return 0;
 }
 IRQCHIP_DECLARE(i8259, "intel,i8259", i8259_of_init);