OHCI_PAGE_SIZE
OHCI_PAGE(buf + noffs) > bp0 + OHCI_PAGE_SIZE) { /* too many page crossings */
OHCI_PAGE(dataphys) + OHCI_PAGE_SIZE == dataphysend) {
curlen = 2 * OHCI_PAGE_SIZE -
(dataphys & (OHCI_PAGE_SIZE-1));