cf->ofdev = ofdev;
cf->mem_phys = mem.start;
- cf->mem_size = PAGE_ALIGN(mem.end - mem.start);
+ cf->mem_size = PAGE_ALIGN(resource_size(&mem));
cf->mem_base = ioremap(cf->mem_phys, cf->mem_size);
- cf->io_size = PAGE_ALIGN(io.end - io.start);
+ cf->io_size = PAGE_ALIGN(resource_size(&io));
area = __get_vm_area(cf->io_size, 0, PHB_IO_BASE, PHB_IO_END);
if (area == NULL)