/* Clear one bit of the operational register while keeping other bits. */
VOID EhcClearOpRegBit(IN USB2_HC_DEV *Ehc, IN UINT32 Offset, IN UINT32 Bit)
/* Clear one bit of the operational register while keeping other bits. */
VOID EhcClearOpRegBit(IN USB2_HC_DEV *Ehc, IN UINT32 Offset, IN UINT32 Bit)
{
  UINT32  Data;
  Data  = EhcReadOpReg (Ehc, Offset);
  Data &= ~Bit;
  EhcWriteOpReg (Ehc, Offset, Data);
}