pdc_scanbus
pdc_scanbus(self, &nca, MAXMODBUS, 0, 0);
pdc_scanbus(self, ca, MAXMODBUS, 0, 0);
pdc_scanbus(self, &nca, MAXMODBUS, regs->io_io_low);
pdc_scanbus(self, &nca, MAXMODBUS, 0, 0);
pdc_scanbus(self, &nca, MAXMODBUS - 1, 0, 0);
pdc_scanbus(self, &nca, MAXMODBUS - 1, hpa, 0);
pdc_scanbus(self, &ga->ga_ca, MAXMODBUS, 0, 0);
pdc_scanbus(self, &nca, MAXMODBUS, HPPA_FPA, 1);
pdc_scanbus(self, &nca, MAXMODBUS, HPPA_FPA, 0);
pdc_scanbus(self, &nca, MAXMODBUS, 0, 1);
pdc_scanbus(self, &nca, MAXMODBUS, 0, 0);
void pdc_scanbus(struct device *, struct confargs *, int, hppa_hpa_t hpa,