alloc_pa_dev
extern struct parisc_device *alloc_pa_dev(unsigned long hpa,
dev = alloc_pa_dev(hpa, &path);
dev = alloc_pa_dev(PAT_GET_CBA(temp), &(pa_pdc_cell->mod_path));
dev = alloc_pa_dev(r_addr->hpa, &module_path->path);
dev = alloc_pa_dev(module_result.mod_addr, &module_path.path);