qcacld-3.0: Remove obsolete sys_stop()

Function sys_stop() is no longer being used, so remove it.

Change-Id: I107fab5a0d39a58521a39a9c6bf29a5728b7ccf2
CRs-Fixed: 2102668

core/mac/src/sys/common/inc/wlan_qct_sys.h

@@ -131,25 +131,6 @@ QDF_STATUS sys_build_message_header(SYS_MSG_ID sysMsgId,
 QDF_STATUS sysMcStart(v_CONTEXT_t p_cds_context, sysResponseCback userCallback,
 		      void *pUserData);
 
-/*----------------------------------------------------------------------------
-
-   \brief sys_stop() - Stop the SYS module.
-
-   This function stops the SYS module.
-
-   \todo: What else do we need to do on sys_stop()?
-
-   \param p_cds_context - pointer to the CDS Context
-
-   \return QDF_STATUS_SUCCESS - the SYS module is stopped.
-
-   QDF_STATUS_E_FAILURE - the SYS module open failed to stop.
-
-   \sa
-
-   --------------------------------------------------------------------------*/
-QDF_STATUS sys_stop(v_CONTEXT_t p_cds_context);
-
 /*----------------------------------------------------------------------------
 
    \brief sys_mc_process_msg() - process SYS messages on the Main Controller thread

core/mac/src/sys/common/src/wlan_qct_sys.c

@@ -37,10 +37,6 @@
 #include "mac_init_api.h"
 #include "qdf_trace.h"
 
-/* SYS stop timeout 30 seconds */
-#define SYS_STOP_TIMEOUT (30000)
-static qdf_event_t g_stop_evt;
-
 /**
  * sys_build_message_header() - to build the sys message header
  * @sysMsgId: message id
@@ -59,70 +55,6 @@ QDF_STATUS sys_build_message_header(SYS_MSG_ID sysMsgId,
 	return QDF_STATUS_SUCCESS;
 }
 
-/**
- * sys_stop_complete_cb() - a callback when system stop completes
- * @pUserData: pointer to user provided data context
- *
- * this callback is used once system stop is completed.
- *
- * Return: none
- */
-#ifdef QDF_ENABLE_TRACING
-static void sys_stop_complete_cb(void *pUserData)
-{
-	qdf_event_t *pStopEvt = (qdf_event_t *) pUserData;
-	QDF_STATUS qdf_status = qdf_event_set(pStopEvt);
-
-	QDF_ASSERT(QDF_IS_STATUS_SUCCESS(qdf_status));
-
-}
-#else
-static void sys_stop_complete_cb(void *pUserData)
-{
-	return;
-}
-#endif
-
-/**
- * sys_stop() - To post stop message to system module
- * @p_cds_context:  pointer to cds context
- *
- * This API is used post a stop message to system module
- *
- * Return: QDF_STATUS
- */
-QDF_STATUS sys_stop(v_CONTEXT_t p_cds_context)
-{
-	QDF_STATUS qdf_status = QDF_STATUS_SUCCESS;
-	struct scheduler_msg sysMsg = {0};
-
-	/* Initialize the stop event */
-	qdf_status = qdf_event_create(&g_stop_evt);
-
-	if (!QDF_IS_STATUS_SUCCESS(qdf_status))
-		return qdf_status;
-
-	/* post a message to SYS module in MC to stop SME and MAC */
-	sys_build_message_header(SYS_MSG_ID_MC_STOP, &sysMsg);
-
-	/* Save the user callback and user data */
-	sysMsg.callback = sys_stop_complete_cb;
-	sysMsg.bodyptr = (void *)&g_stop_evt;
-
-	/* post the message.. */
-	qdf_status = scheduler_post_msg(QDF_MODULE_ID_SYS, &sysMsg);
-	if (!QDF_IS_STATUS_SUCCESS(qdf_status))
-		qdf_status = QDF_STATUS_E_BADMSG;
-
-	qdf_status = qdf_wait_single_event(&g_stop_evt, SYS_STOP_TIMEOUT);
-	QDF_ASSERT(QDF_IS_STATUS_SUCCESS(qdf_status));
-
-	qdf_status = qdf_event_destroy(&g_stop_evt);
-	QDF_ASSERT(QDF_IS_STATUS_SUCCESS(qdf_status));
-
-	return qdf_status;
-}
-
 /**
  * sys_mc_process_msg() - to process system mc thread messages
  * @p_cds_context: pointer to cds context