Per PCIE spec, Memory Write and Invalidate is hardwired to 0b so PciBus driver shouldn't write 1b to it. Patch #1 cleans up some unnecessary code.
Ruiyu Ni (2): MdeModulePkg/PciBus: Remove unnecessary PCIE detection MdeModulePkg/PciBus: Do not enable MemWriteAndInvalidate bit for PCIE MdeModulePkg/Bus/Pci/PciBusDxe/PciDeviceSupport.c | 17 +---------------- MdeModulePkg/Bus/Pci/PciBusDxe/PciEnumeratorSupport.c | 10 ++++++---- 2 files changed, 7 insertions(+), 20 deletions(-) -- 2.16.1.windows.1 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel