--- zzzz-none-000/linux-4.1.52/include/linux/watchdog.h	2018-05-28 02:26:45.000000000 +0000
+++ bcm63-7530ax-731/linux-4.1.52/include/linux/watchdog.h	2022-03-02 11:37:13.000000000 +0000
@@ -136,6 +136,9 @@
 				  unsigned int timeout_parm, struct device *dev);
 extern int watchdog_register_device(struct watchdog_device *);
 extern void watchdog_unregister_device(struct watchdog_device *);
+#if defined(CONFIG_BCM_KF_WDT)
+extern void watchdog_force_disable( void );
+#endif
 
 #ifdef CONFIG_HARDLOCKUP_DETECTOR
 void watchdog_nmi_disable_all(void);