if (CHECK_IRQ_PER_CPU(irq)) {
                /* Bad linux design decision.  The mask has already
                 * been set; we must reset it */
-               irq_desc[irq].affinity = CPU_MASK_ALL;
+               cpumask_setall(irq_desc[irq].affinity);
                return -EINVAL;
        }
 
        if (cpu_check_affinity(irq, dest))
                return;
 
-       irq_desc[irq].affinity = *dest;
+       cpumask_copy(irq_desc[irq].affinity, dest);
 }
 #endif
 
 unsigned long txn_affinity_addr(unsigned int irq, int cpu)
 {
 #ifdef CONFIG_SMP
-       irq_desc[irq].affinity = cpumask_of_cpu(cpu);
+       cpumask_copy(irq_desc[irq].affinity, cpumask_of(cpu));
 #endif
 
        return per_cpu(cpu_data, cpu).txn_addr;
        irq = eirr_to_irq(eirr_val);
 
 #ifdef CONFIG_SMP
-       dest = irq_desc[irq].affinity;
+       cpumask_copy(&dest, irq_desc[irq].affinity);
        if (CHECK_IRQ_PER_CPU(irq_desc[irq].status) &&
            !cpu_isset(smp_processor_id(), dest)) {
                int cpu = first_cpu(dest);