diff options
Diffstat (limited to 'MdeModulePkg/Bus/Pci/PciBusDxe/PciIo.c')
| -rw-r--r-- | MdeModulePkg/Bus/Pci/PciBusDxe/PciIo.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/MdeModulePkg/Bus/Pci/PciBusDxe/PciIo.c b/MdeModulePkg/Bus/Pci/PciBusDxe/PciIo.c index 86c9135afd..c39de9dd7e 100644 --- a/MdeModulePkg/Bus/Pci/PciBusDxe/PciIo.c +++ b/MdeModulePkg/Bus/Pci/PciBusDxe/PciIo.c @@ -1269,6 +1269,13 @@ ModifyRootBridgeAttributes ( }
//
+ // Mask off EFI_PCI_IO_ATTRIBUTE_EMBEDDED_DEVICE &
+ // EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM, which are not supported by PCI root bridge.
+ //
+ Attributes &= ~(UINT64)(EFI_PCI_IO_ATTRIBUTE_EMBEDDED_DEVICE |
+ EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM);
+
+ //
// Record the new attribute of the Root Bridge
//
if (Operation == EfiPciIoAttributeOperationEnable) {
|