cx88_risc_databuffer
ret = cx88_risc_databuffer(chip->pci, &buf->risc, buf->sglist,
EXPORT_SYMBOL(cx88_risc_databuffer);
rc = cx88_risc_databuffer(dev->pci, risc, sgt->sgl,
cx88_risc_databuffer(struct pci_dev *pci, struct cx88_riscmem *risc,