cxgb4: sched: Use refcount_t for refcount

@@ -173,7 +173,7 @@ static int t4_sched_queue_unbind(struct port_info *pi, struct ch_sched_queue *p)
 
 		list_del(&qe->list);
 		kvfree(qe);
-		if (atomic_dec_and_test(&e->refcnt)) {
+		if (refcount_dec_and_test(&e->refcnt)) {
 			e->state = SCHED_STATE_UNUSED;
 			memset(&e->info, 0, sizeof(e->info));
 		}

@@ -216,7 +216,7 @@ static int t4_sched_queue_bind(struct port_info *pi, struct ch_sched_queue *p)
 		goto out_err;
 
 	list_add_tail(&qe->list, &e->queue_list);
-	atomic_inc(&e->refcnt);
+	refcount_inc(&e->refcnt);
 	return err;
 
 out_err:

@@ -434,7 +434,7 @@ static struct sched_class *t4_sched_class_alloc(struct port_info *pi,
 		if (err)
 			return NULL;
 		memcpy(&e->info, &np, sizeof(e->info));
-		atomic_set(&e->refcnt, 0);
+		refcount_set(&e->refcnt, 0);
 		e->state = SCHED_STATE_ACTIVE;
 	}
 

@@ -488,7 +488,7 @@ struct sched_table *t4_init_sched(unsigned int sched_size)
 		s->tab[i].idx = i;
 		s->tab[i].state = SCHED_STATE_UNUSED;
 		INIT_LIST_HEAD(&s->tab[i].queue_list);
-		atomic_set(&s->tab[i].refcnt, 0);
+		refcount_set(&s->tab[i].refcnt, 0);
 	}
 	return s;
 }

@@ -69,7 +69,7 @@ struct sched_class {
 	u8 idx;
 	struct ch_sched_params info;
 	struct list_head queue_list;
-	atomic_t refcnt;
+	refcount_t refcnt;
 };
 
 struct sched_table {      /* per port scheduling table */