qcacmn: Separate qdf event complete and exit APIs

QDF already has event complete API. Define a separate new
API for exit in QDF and re-use qdf_event_set for event
completion.

Change-Id: If332425ee71b0a4759e0550a33add35e61680309
CRs-Fixed: 1101614

qdf/inc/qdf_event.h

@@ -58,13 +58,12 @@ QDF_STATUS qdf_event_destroy(qdf_event_t *event);
 QDF_STATUS qdf_wait_single_event(qdf_event_t *event,
 				 uint32_t timeout);
 /**
- * qdf_event_complete_and_exit() - complete event and exit
- * @event: Pointer to an event to complete and exit
- * @reason_code: Reason code for exit
+ * qdf_exit_thread() - exit thread execution
+ * @status: QDF status
  *
  * Return: QDF status
  */
-QDF_STATUS qdf_event_complete_and_exit(qdf_event_t *event, long reason_code);
+QDF_STATUS qdf_exit_thread(QDF_STATUS status);
 
 #ifdef __cplusplus
 }

qdf/linux/src/qdf_event.c

@@ -268,34 +268,13 @@ QDF_STATUS qdf_wait_single_event(qdf_event_t *event, uint32_t timeout)
 }
 EXPORT_SYMBOL(qdf_wait_single_event);
 
-QDF_STATUS qdf_event_complete_and_exit(qdf_event_t *event, long reason_code)
+QDF_STATUS qdf_exit_thread(QDF_STATUS status)
 {
-	if (in_interrupt()) {
-		QDF_TRACE(QDF_MODULE_ID_QDF, QDF_TRACE_LEVEL_ERROR,
-			  "%s cannot be called from interrupt context!!!",
-			  __func__);
-		QDF_ASSERT(0);
-		return QDF_STATUS_E_FAULT;
-	}
-
-	/* check for null pointer */
-	if (NULL == event) {
-		QDF_TRACE(QDF_MODULE_ID_QDF, QDF_TRACE_LEVEL_ERROR,
-			  "NULL event passed into %s", __func__);
-		QDF_ASSERT(0);
-		return QDF_STATUS_E_FAULT;
-	}
-
-	/* check if cookie is same as that of initialized event */
-	if (LINUX_EVENT_COOKIE != event->cookie) {
-		QDF_TRACE(QDF_MODULE_ID_QDF, QDF_TRACE_LEVEL_ERROR,
-			  "Uninitialized event passed into %s", __func__);
-		QDF_ASSERT(0);
-		return QDF_STATUS_E_INVAL;
-	}
-
-	complete_and_exit(&event->complete, reason_code);
+	if (status == QDF_STATUS_SUCCESS)
+		do_exit(0);
+	else
+		do_exit(SIGKILL);
 
 	return QDF_STATUS_SUCCESS;
 }
-EXPORT_SYMBOL(qdf_event_complete_and_exit);
+EXPORT_SYMBOL(qdf_exit_thread);

sch/src/scheduler_core.c

@@ -411,7 +411,9 @@ int scheduler_thread(void *arg)
 	/* If we get here the MC thread must exit */
 	QDF_TRACE(QDF_MODULE_ID_SCHEDULER, QDF_TRACE_LEVEL_ERROR,
 		  "%s: Scheduler thread exiting!!!!", __func__);
-	qdf_event_complete_and_exit(&sch_ctx->sch_shutdown, 0);
+	qdf_event_set(&sch_ctx->sch_shutdown);
+	qdf_exit_thread(QDF_STATUS_SUCCESS);
+
 	return 0;
 }