sparc: convert old cpumask API into new one

Adapt new API. Almost change is trivial, most important change are to
remove following like =operator.

 cpumask_t cpu_mask = *mm_cpumask(mm);
 cpus_allowed = current->cpus_allowed;

Because cpumask_var_t is =operator unsafe. These usage might prevent
kernel core improvement.

No functional change.

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c
index b1d275c..4e78862 100644
--- a/arch/sparc/kernel/irq_64.c
+++ b/arch/sparc/kernel/irq_64.c
@@ -224,13 +224,13 @@
 	int cpuid;
 
 	cpumask_copy(&mask, affinity);
-	if (cpus_equal(mask, cpu_online_map)) {
+	if (cpumask_equal(&mask, cpu_online_mask)) {
 		cpuid = map_to_cpu(irq);
 	} else {
 		cpumask_t tmp;
 
-		cpus_and(tmp, cpu_online_map, mask);
-		cpuid = cpus_empty(tmp) ? map_to_cpu(irq) : first_cpu(tmp);
+		cpumask_and(&tmp, cpu_online_mask, &mask);
+		cpuid = cpumask_empty(&tmp) ? map_to_cpu(irq) : cpumask_first(&tmp);
 	}
 
 	return cpuid;