Hi Everyone ,
Please refer to the code in AcpiTimerLibConstructor in
PcAtChipsetPkg\Library\AcpiTimerLib\AcpiTimerLib.c
The orginal code is
if ((PciRead8 (PCI_LIB_ADDRESS (Bus, Device, Function, EnableRegister) &
EnableMask) != EnableMask)) {
The bracket place is not right, I think it should be
if ((PciRead8 (PCI_LIB_ADDRESS (Bus, Device, Function, EnableRegister)) &
EnableMask) != EnableMask)
Anyhow , the impact is minor since it will enable ACPI I/O base again.
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