XHCI_PS_PR
if (v & XHCI_PS_PR)
XWRITE4(sc, oper, port, v | XHCI_PS_PR);
port->portsc &= ~(XHCI_PS_PLS_MASK | XHCI_PS_PR | XHCI_PS_PRC);
if (value & (XHCI_PS_PR | XHCI_PS_WPR)) {
XHCI_PS_PR |