/* Do OR operation with the Value of AHCI Operation register. */
VOID AhciOrReg(IN UINTN AhciBar, IN UINT32 Offset, IN UINT32 OrData)
/* Do OR operation with the Value of AHCI Operation register. */
VOID AhciOrReg(IN UINTN AhciBar, IN UINT32 Offset, IN UINT32 OrData)
{
  UINT32  Data;
  Data  = AhciReadReg (AhciBar, Offset);
  Data |= OrData;
  AhciWriteReg (AhciBar, Offset, Data);
}