/* One notified function to stop the Host Controller when gBS->ExitBootServices() called. */
VOID EFIAPI EhcExitBootService(EFI_EVENT Event, VOID *Context)
/* One notified function to stop the Host Controller when gBS->ExitBootServices() called. */
VOID EFIAPI EhcExitBootService(EFI_EVENT Event, VOID *Context)
{
  USB2_HC_DEV  *Ehc;
  Ehc = (USB2_HC_DEV *)Context;
  EhcResetHC (Ehc, EHC_RESET_TIMEOUT);
}