diff --git a/umac/mlme/include/wlan_vdev_mlme.h b/umac/mlme/include/wlan_vdev_mlme.h
index 86ae055e80..d12fc27e8e 100644
--- a/umac/mlme/include/wlan_vdev_mlme.h
+++ b/umac/mlme/include/wlan_vdev_mlme.h
@@ -437,6 +437,7 @@ enum vdev_start_resp_type {
  *                                      MLME down operation
  * @mlme_vdev_notify_start_state_exit:  callback to notify on vdev start
  *                                      start state exit
+ * @mlme_vdev_is_newchan_no_cac:        callback to check CAC is required
  */
 struct vdev_mlme_ops {
 	QDF_STATUS (*mlme_vdev_validate_basic_params)(
@@ -506,6 +507,8 @@ struct vdev_mlme_ops {
 				struct vdev_start_response *rsp);
 	QDF_STATUS (*mlme_vdev_notify_start_state_exit)(
 				struct vdev_mlme_obj *vdev_mlme);
+	QDF_STATUS (*mlme_vdev_is_newchan_no_cac)(
+				struct vdev_mlme_obj *vdev_mlme);
 };
 
 /**
@@ -995,6 +998,28 @@ static inline QDF_STATUS mlme_vdev_notify_start_state_exit(
 	return ret;
 }
 
+/**
+ * mlme_vdev_is_newchan_no_cac - Checks new channel requires CAC
+ * @vdev_mlme_obj:  VDEV MLME comp object
+ *
+ * API checks whether Channel needs CAC period,
+ * if yes, it moves to SUSPEND_RESTART to disconnect stations before
+ * sending RESTART to FW, otherwise, it moves to RESTART_PROGRESS substate
+ *
+ * Return: SUCCESS to move to RESTART_PROGRESS substate
+ *         FAILURE, move to SUSPEND_RESTART state
+ */
+static inline QDF_STATUS mlme_vdev_is_newchan_no_cac(
+				struct vdev_mlme_obj *vdev_mlme)
+{
+	QDF_STATUS ret = QDF_STATUS_SUCCESS;
+
+	if ((vdev_mlme->ops) && vdev_mlme->ops->mlme_vdev_is_newchan_no_cac)
+		ret = vdev_mlme->ops->mlme_vdev_is_newchan_no_cac(vdev_mlme);
+
+	return ret;
+}
+
 #ifdef CMN_VDEV_MGR_TGT_IF_ENABLE
 /**
  * wlan_vdev_mlme_set_ssid() - set ssid
diff --git a/umac/mlme/vdev_mgr/core/src/vdev_mlme_sm.c b/umac/mlme/vdev_mgr/core/src/vdev_mlme_sm.c
index 56cd96e832..635505b5f4 100644
--- a/umac/mlme/vdev_mgr/core/src/vdev_mlme_sm.c
+++ b/umac/mlme/vdev_mgr/core/src/vdev_mlme_sm.c
@@ -1376,10 +1376,21 @@ static bool mlme_vdev_subst_suspend_csa_restart_event(void *ctx,
 		status = true;
 		break;
 	case WLAN_VDEV_SM_EV_CSA_COMPLETE:
-		mlme_vdev_sm_transition_to(vdev_mlme, WLAN_VDEV_S_START);
-		mlme_vdev_sm_deliver_event(vdev_mlme,
-					   WLAN_VDEV_SM_EV_RESTART_REQ,
-					   event_data_len, event_data);
+		if (mlme_vdev_is_newchan_no_cac(vdev_mlme) ==
+						QDF_STATUS_SUCCESS) {
+			mlme_vdev_sm_transition_to(vdev_mlme,
+						   WLAN_VDEV_S_START);
+			mlme_vdev_sm_deliver_event(vdev_mlme,
+						   WLAN_VDEV_SM_EV_RESTART_REQ,
+						   event_data_len, event_data);
+		} else {
+			mlme_vdev_sm_transition_to
+				(vdev_mlme,
+				 WLAN_VDEV_SS_SUSPEND_SUSPEND_RESTART);
+			mlme_vdev_sm_deliver_event
+				(vdev_mlme, WLAN_VDEV_SM_EV_SUSPEND_RESTART,
+				 event_data_len, event_data);
+		}
 		status = true;
 		break;