EHCI_PS_FPR
EOWRITE4(sc, EHCI_PORTSC(i), cmd | EHCI_PS_FPR);
cmd & ~EHCI_PS_FPR);
EOWRITE4(sc, port, v | EHCI_PS_FPR);
if (v & (EHCI_PS_FPR | EHCI_PS_SUSP))