XHCI_IMAN
reg = xhci_get32(xhcip, XHCI_R_RUN, XHCI_IMAN(0));
xhci_put32(xhcip, XHCI_R_RUN, XHCI_IMAN(0), reg);
iman = xhci_get32(xhcip, XHCI_R_RUN, XHCI_IMAN(0));
xhci_put32(xhcip, XHCI_R_RUN, XHCI_IMAN(0), iman);
iman = xhci_get32(xhcip, XHCI_R_RUN, XHCI_IMAN(0));
xhci_put32(xhcip, XHCI_R_RUN, XHCI_IMAN(0), iman);