qcacmn: Initialize teardown event only once

Initialize teardowen event only once, intializing
events multiple times leads to assert.

Change-Id: I93a72c787dffa7ab081df9cca8ba17cc065e207a
CRs-Fixed: 3186523

umac/mlo_mgr/inc/wlan_mlo_mgr_public_structs.h

@@ -95,7 +95,7 @@ enum MLO_LINK_STATE {
  * @state[MAX_MLO_LINKS]: MLO link state
  * @valid_link_bitmap: valid MLO link bitmap
  * @state_lock: lock to protect access to link state
- * @qdf_event_t: event for tearodwn completion
+ * @qdf_event_t: event for teardown completion
  */
 #define MAX_MLO_LINKS 6
 #define MAX_MLO_CHIPS 5

umac/mlo_mgr/inc/wlan_mlo_mgr_setup.h

@@ -17,7 +17,23 @@
  * DOC: contains MLO manager public file containing setup/teardown functionality
  */
 
+#ifndef _WLAN_MLO_MGR_SETUP_H_
+#define _WLAN_MLO_MGR_SETUP_H_
 #ifdef WLAN_MLO_MULTI_CHIP
+/**
+ * mlo_setup_init() - API to init setup info events
+ *
+ * Return: None
+ */
+void mlo_setup_init(void);
+
+/**
+ * mlo_setup_deinit() - API to deinit setup info events
+ *
+ * Return: None
+ */
+void mlo_setup_deinit(void);
+
 /**
  * mlo_is_ml_soc() - API to check if psoc belongs to ML group
  * @psoc: Soc to be checked.
@@ -123,4 +139,13 @@ QDF_STATUS mlo_link_teardown_link(struct wlan_objmgr_psoc *psoc,
  */
 bool mlo_vdevs_check_single_soc(struct wlan_objmgr_vdev **wlan_vdev_list,
 				uint8_t vdev_count);
-#endif
+#else
+static inline void mlo_setup_init(void)
+{
+}
+
+static inline void mlo_setup_deinit(void)
+{
+}
+#endif /* WLAN_MLO_MULTI_CHIP */
+#endif /* _WLAN_MLO_MGR_SETUP_H_ */

umac/mlo_mgr/src/wlan_mlo_mgr_main.c

@@ -25,6 +25,7 @@
 #include "wlan_mlo_mgr_main.h"
 #include <wlan_mlo_mgr_ap.h>
 #include <wlan_mlo_mgr_peer.h>
+#include <wlan_mlo_mgr_setup.h>
 #include <wlan_cm_public_struct.h>
 #include "wlan_mlo_mgr_msgq.h"
 #include <target_if_mlo_mgr.h>
@@ -39,6 +40,7 @@ static void mlo_global_ctx_deinit(void)
 	if (qdf_list_empty(&mlo_mgr_ctx->ml_dev_list))
 		mlo_err("ML dev list is not empty");
 
+	mlo_setup_deinit();
 	mlo_msgq_free();
 	ml_peerid_lock_destroy(mlo_mgr_ctx);
 	ml_link_lock_destroy(mlo_mgr_ctx);
@@ -74,6 +76,7 @@ static void mlo_global_ctx_init(void)
 	ml_aid_lock_create(mlo_mgr_ctx);
 	mlo_mgr_ctx->mlo_is_force_primary_umac = 0;
 	mlo_msgq_init();
+	mlo_setup_init();
 }
 
 QDF_STATUS wlan_mlo_mgr_psoc_enable(struct wlan_objmgr_psoc *psoc)

umac/mlo_mgr/src/wlan_mlo_mgr_setup.c

@@ -147,6 +147,33 @@ bool mlo_vdevs_check_single_soc(struct wlan_objmgr_vdev **wlan_vdev_list,
 
 qdf_export_symbol(mlo_vdevs_check_single_soc);
 
+void mlo_setup_init(void)
+{
+	struct mlo_mgr_context *mlo_ctx = wlan_objmgr_get_mlo_ctx();
+
+	if (!mlo_ctx)
+		return;
+
+	if (qdf_event_create(&mlo_ctx->setup_info.event) !=
+						QDF_STATUS_SUCCESS) {
+		mlo_err("Unable to create teardown event");
+	}
+}
+
+qdf_export_symbol(mlo_setup_init);
+
+void mlo_setup_deinit(void)
+{
+	struct mlo_mgr_context *mlo_ctx = wlan_objmgr_get_mlo_ctx();
+
+	if (!mlo_ctx)
+		return;
+
+	qdf_event_destroy(&mlo_ctx->setup_info.event);
+}
+
+qdf_export_symbol(mlo_setup_deinit);
+
 void mlo_setup_update_num_links(struct wlan_objmgr_psoc *psoc,
 				uint8_t num_links)
 {
@@ -472,9 +499,6 @@ QDF_STATUS mlo_link_teardown_link(struct wlan_objmgr_psoc *psoc,
 	if (!mlo_check_all_pdev_state(psoc, MLO_LINK_TEARDOWN))
 		return QDF_STATUS_SUCCESS;
 
-	if (qdf_event_create(&mlo_ctx->setup_info.event) != QDF_STATUS_SUCCESS)
-		return QDF_STATUS_E_FAULT;
-
 	tx_ops = wlan_psoc_get_lmac_if_txops(psoc);
 	/* Trigger MLO teardown */
 	if (tx_ops && tx_ops->mops.target_if_mlo_teardown_req) {
@@ -484,15 +508,14 @@ QDF_STATUS mlo_link_teardown_link(struct wlan_objmgr_psoc *psoc,
 				reason);
 	}
 
-	status = qdf_wait_for_event_completion(&mlo_ctx->setup_info.event,
-					       MLO_MGR_TEARDOWN_TIMEOUT);
+	status = qdf_wait_for_event_completion(
+			&mlo_ctx->setup_info.event,
+			MLO_MGR_TEARDOWN_TIMEOUT);
 	if (status != QDF_STATUS_SUCCESS) {
 		qdf_info("Teardown timeout");
 		mlo_force_teardown();
 	}
 
-	qdf_event_destroy(&mlo_ctx->setup_info.event);
-
 	return status;
 }