OHCI_PAGE_SIZE
parm->hc_max_frame_size = OHCI_PAGE_SIZE;
nitd = ((xfer->max_data_length / OHCI_PAGE_SIZE) +
(OHCI_PAGE_SIZE + 1) : 0x0001);
(USB_PAGE_SIZE < OHCI_PAGE_SIZE) || (OHCI_PAGE_SIZE == 0))