static td_t *
wait_for_completed_qh (hci_t *controller, qh_t *qh)
{
int timeout = 1000000; /* max 30 ms. */
void *current = GET_TD (qh->elementlinkptr.ptr);
while ((qh->elementlinkptr.terminate == 0) && (timeout-- > 0)) {
if (current != GET_TD (qh->elementlinkptr.ptr)) {
current = GET_TD (qh->elementlinkptr.ptr);
timeout = 1000000;
}
uhci_reg_mask16 (controller, USBSTS, ~0, 0); // clear resettable registers
udelay (30);
}
return (GET_TD (qh->elementlinkptr.ptr) ==
0) ? 0 : GET_TD (phys_to_virt (qh->elementlinkptr.ptr));
}
static td_t *
wait_for_completed_qh (hci_t *controller, qh_t *qh)
{
int timeout = 1000; /* max 30 ms. */
void *current = GET_TD (qh->elementlinkptr);
while (((qh->elementlinkptr & FLISTP_TERMINATE) == 0) && (timeout-- > 0)) {
if (current != GET_TD (qh->elementlinkptr)) {
current = GET_TD (qh->elementlinkptr);
timeout = 1000;
}
uhci_reg_write16(controller, USBSTS,
uhci_reg_read16(controller, USBSTS) | 0); // clear resettable registers
udelay (30);
}
return (GET_TD (qh->elementlinkptr) ==
0) ? 0 : GET_TD (phys_to_virt (qh->elementlinkptr));
}
