qcacld-3.0: Add debug assert on page fault wake ups

During dynamic request voting(DRV) suspend PCIe link
is in L1SS sleep state such that target can do page
faults without waking up APPS and hence add debug
assert on page fault wake ups if target triggered
a page fault wake up during DRV wow suspend.

Change-Id: I130a9a568b7007366fe582bd2e231c9fca324368
CRs-Fixed: 2467471

core/wma/src/wma_features.c

@@ -2834,6 +2834,13 @@ static int wma_wake_event_piggybacked(
 	return errno;
 }
 
+static void wma_debug_assert_page_fault_wakeup(uint32_t reason)
+{
+	/* During DRV if page fault wake up then assert */
+	if ((WOW_REASON_PAGE_FAULT == reason) && (qdf_is_drv_connected()))
+		QDF_DEBUG_PANIC("Unexpected page fault wake up detected during DRV wow");
+}
+
 static void wma_wake_event_log_reason(t_wma_handle *wma,
 				      WOW_EVENT_INFO_fixed_param *wake_info)
 {
@@ -2847,6 +2854,7 @@ static void wma_wake_event_log_reason(t_wma_handle *wma,
 			 wake_info->wake_reason,
 			 wake_info->vdev_id,
 			 wma_vdev_type_str(vdev->type));
+		wma_debug_assert_page_fault_wakeup(wake_info->wake_reason);
 	} else if (!wmi_get_runtime_pm_inprogress(wma->wmi_handle)) {
 		WMA_LOGA("Non-WLAN triggered wakeup: %s (%d)",
 			 wma_wow_wake_reason_str(wake_info->wake_reason),