UPS_RESET
#define USB_PORT_STAT_RESET UPS_RESET
if (v & EHCI_PS_PR) i |= UPS_RESET;
OWRITE4(sc, port, UPS_RESET);
if ((OREAD4(sc, port) & UPS_RESET) == 0)
if (v & XHCI_PS_PR) i |= UPS_RESET;