QTD_IOC
qtd->hw_token |= cpu_to_hc32(fotg210, QTD_IOC);
QTD_IOC | token | (PID_CODE_SETUP << 8), 8);
qtd_fill(ehci, qtd, 0, 0, token | QTD_IOC, 0);
qtd->hw_token |= cpu_to_hc32(ehci, QTD_IOC);
qtd->hw_token |= cpu_to_le32(QTD_IOC);