--- zzzz-none-000/linux-4.1.52/drivers/watchdog/watchdog_core.c	2018-05-28 02:26:45.000000000 +0000
+++ bcm63-7530ax-731/linux-4.1.52/drivers/watchdog/watchdog_core.c	2022-03-02 11:37:13.000000000 +0000
@@ -151,7 +151,6 @@
 			return ret;
 		}
 	}
-
 	devno = wdd->cdev.dev;
 	wdd->dev = device_create(watchdog_class, wdd->parent, devno,
 					NULL, "watchdog%d", wdd->id);
@@ -185,12 +184,22 @@
 	ret = watchdog_dev_unregister(wdd);
 	if (ret)
 		pr_err("error unregistering /dev/watchdog (err=%d)\n", ret);
+
 	device_destroy(watchdog_class, devno);
 	ida_simple_remove(&watchdog_ida, wdd->id);
 	wdd->dev = NULL;
+		
 }
 EXPORT_SYMBOL_GPL(watchdog_unregister_device);
 
+#if defined(CONFIG_BCM_KF_WDT)
+void watchdog_force_disable( void )
+{
+	watchdog_dev_force_disable();
+}
+EXPORT_SYMBOL_GPL(watchdog_force_disable);
+#endif
+
 static int __init watchdog_init(void)
 {
 	int err;