wdog_register
wdog_register(&sc->wdog);
wdog_register(&ich_wdog);
SYSINIT(wdog_register, SI_SUB_PRE_DRIVERS, SI_ORDER_ANY, wdog_init, NULL);
SYSUNINIT(wdog_register, SI_SUB_PRE_DRIVERS, SI_ORDER_ANY, wdog_uninit, NULL);
void wdog_register(struct watchdog *);