/* usb_hcd_end_port_resume - a root-hub port has stop sending a resume signal  */
void usb_hcd_end_port_resume(struct usb_virt_bus *bus, int portnum)
/* usb_hcd_end_port_resume - a root-hub port has stop sending a resume signal  */
void usb_hcd_end_port_resume(struct usb_virt_bus *bus, int portnum)
{
    unsigned bit = 1 << portnum;
    if (bus->resuming_ports & bit) {
        bus->resuming_ports &= ~bit;
    }
}