int irq_select_affinity(unsigned int irq)
 {
-       struct irq_desc *desc = irq_to_desc(irq);
+       struct irq_data *data = irq_get_irq_data(irq);
+       struct irq_chip *chip;
        static int last_cpu;
        int cpu = last_cpu + 1;
 
-       if (!desc || !get_irq_desc_chip(desc)->set_affinity || irq_user_affinity[irq])
+       if (!data)
+               return 1;
+       chip = irq_data_get_irq_chip(data);
+
+       if (!chip->irq_set_affinity || irq_user_affinity[irq])
                return 1;
 
        while (!cpu_possible(cpu) ||
                cpu = (cpu < (NR_CPUS-1) ? cpu + 1 : 0);
        last_cpu = cpu;
 
-       cpumask_copy(desc->affinity, cpumask_of(cpu));
-       get_irq_desc_chip(desc)->set_affinity(irq, cpumask_of(cpu));
+       cpumask_copy(data->affinity, cpumask_of(cpu));
+       chip->irq_set_affinity(data, cpumask_of(cpu), false);
        return 0;
 }
 #endif /* CONFIG_SMP */