X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=MdePkg%2FInclude%2FLibrary%2FPciExpressLib.h;h=29ff9dde8289a6337a5cd3012071d47b0549fb45;hb=c39294176417321486316962aa705508d5a72ecf;hp=9bd1166a8706f7608979403e4ba2bcf5afbf4fec;hpb=add13dc21720eff1a37fdea34c0fef190e2ad37d;p=mirror_edk2.git

diff --git a/MdePkg/Include/Library/PciExpressLib.h b/MdePkg/Include/Library/PciExpressLib.h
index 9bd1166a87..29ff9dde82 100644
--- a/MdePkg/Include/Library/PciExpressLib.h
+++ b/MdePkg/Include/Library/PciExpressLib.h
@@ -36,7 +36,7 @@
 
 **/
 #define PCI_EXPRESS_LIB_ADDRESS(Bus,Device,Function,Offset) \
-  PCI_LIB_ADDRESS (Bus, Device, Function, Offset)
+  (((Offset) & 0xfff) | (((Function) & 0x07) << 12) | (((Device) & 0x1f) << 15) | (((Bus) & 0xff) << 20))
 
 /**
   Reads an 8-bit PCI configuration register.