XHCI_PS_PLS_MASK
v &= ~(XHCI_PS_PLS_MASK | XHCI_PS_CLEAR);
v &= ~(XHCI_PS_PLS_MASK | XHCI_PS_CLEAR);
v &= ~(XHCI_PS_PLS_MASK | XHCI_PS_CLEAR);
#define XHCI_PS_PLS_GET(x) __SHIFTOUT((x), XHCI_PS_PLS_MASK) /* RW - port link state */
#define XHCI_PS_PLS_SET(x) __SHIFTIN((x), XHCI_PS_PLS_MASK) /* RW - port link state */