u64_to_uptr
p = (struct fw_cdev_iso_packet __user *)u64_to_uptr(a->packets);
ret = copy_to_user(u64_to_uptr(a->rom), client->device->config_rom,
ret = copy_to_user(u64_to_uptr(a->bus_reset), &bus_reset, 36);
if (request->data && copy_from_user(payload, u64_to_uptr(request->data), request->length)) {
if (copy_from_user(r->data, u64_to_uptr(a->data), a->length)) {
if (copy_from_user(r->data, u64_to_uptr(a->data),
copy_from_user(sccb, u64_to_uptr(ctl_sccb.sccb), PAGE_SIZE);
if (copy_to_user(u64_to_uptr(ctl_sccb.sccb), sccb, sccb->length))