qcacmn: Define API qdf_create_singlethread_workqueue

Define API qdf_create_singlethread_workqueue to create a single
threaded dedicated work queue.

Change-Id: Iab70044888911c1e4adba63e8eee643d5693d716
CRs-Fixed: 2026443

qdf/inc/qdf_defer.h

@@ -140,6 +140,21 @@ static inline qdf_workqueue_t *qdf_create_workqueue(char *name)
 	return  __qdf_create_workqueue(name);
 }
 
+/**
+ * qdf_create_singlethread_workqueue() - create a single threaded workqueue
+ * @name: string
+ *
+ * This API creates a dedicated work queue with a single worker thread to avoid
+ * wasting unnecessary resources when works which needs to be submitted in this
+ * queue are not very critical and frequent.
+ *
+ * Return: pointer of type qdf_workqueue_t
+ */
+static inline qdf_workqueue_t *qdf_create_singlethread_workqueue(char *name)
+{
+	return  __qdf_create_singlethread_workqueue(name);
+}
+
 /**
  * qdf_queue_work - Queue the work/task
  * @hdl: OS handle