cons_attach_input
cons_attach_input(&prom_cons_channel, cn_tab);
cons_attach_input(&prom_cons_channel);
cons_attach_input(&prom_cons_channel);
cons_attach_input(&prom_cons_channel, cn);
cons_attach_input(cc, args->consdev);
extern void cons_attach_input(struct cons_channel *, struct consdev *);
cons_attach_input(cc, args->kmta_consdev);