pckbc_cleanup
void pckbc_cleanup(void *);
timeout_set(&t->t_cleanup, pckbc_cleanup, t);
pckbc_cleanup(t);
void pckbc_cleanup(void *);
timeout_set(&pckbc_consdata.t_cleanup, pckbc_cleanup, &pckbc_consdata);
timeout_set(&t->t_cleanup, pckbc_cleanup, t);
pckbc_cleanup(t);