nvkm_volt_ctor
nvkm_volt_ctor(func, device, type, inst, *pvolt);
nvkm_volt_ctor(volt_func, device, type, inst, &volt->base);
nvkm_volt_ctor(&gk20a_volt, device, type, inst, &volt->base);
void nvkm_volt_ctor(const struct nvkm_volt_func *, struct nvkm_device *, enum nvkm_subdev_type, int,