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Diffstat (limited to 'MdeModulePkg/Bus/Pci/EhciDxe/Ehci.h')
-rw-r--r--MdeModulePkg/Bus/Pci/EhciDxe/Ehci.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/MdeModulePkg/Bus/Pci/EhciDxe/Ehci.h b/MdeModulePkg/Bus/Pci/EhciDxe/Ehci.h
index 7177658092..be81bde40d 100644
--- a/MdeModulePkg/Bus/Pci/EhciDxe/Ehci.h
+++ b/MdeModulePkg/Bus/Pci/EhciDxe/Ehci.h
@@ -173,6 +173,8 @@ struct _USB2_HC_DEV {
UINT16 DebugPortOffset; // The offset of debug port mmio register
UINT8 DebugPortBarNum; // The bar number of debug port mmio register
UINT8 DebugPortNum; // The port number of usb debug port
+
+ BOOLEAN Support64BitDma; // Whether 64 bit DMA may be used with this device
};