MIPS: Enable GENERIC_HARDIRQS_NO__DO_IRQ for all platforms

__do_IRQ() is deprecated and will go away.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/kernel/irq_cpu.c b/arch/mips/kernel/irq_cpu.c
index 0ee2567..55c8a3c 100644
--- a/arch/mips/kernel/irq_cpu.c
+++ b/arch/mips/kernel/irq_cpu.c
@@ -112,7 +112,8 @@
 	 */
 	if (cpu_has_mipsmt)
 		for (i = irq_base; i < irq_base + 2; i++)
-			set_irq_chip(i, &mips_mt_cpu_irq_controller);
+			set_irq_chip_and_handler(i, &mips_mt_cpu_irq_controller,
+						 handle_percpu_irq);
 
 	for (i = irq_base + 2; i < irq_base + 8; i++)
 		set_irq_chip_and_handler(i, &mips_cpu_irq_controller,