Yes. We keep the same name to avoid the incompatible issue.

Thanks
Liming
From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Javeed, Ashraf
Sent: Wednesday, December 18, 2019 10:55 PM
To: Javeed; Javeed, Ashraf <ashraf.javeed@intel.com>; devel@edk2.groups.io
Subject: Re: [edk2-devel] [Patch] MdePkg PciExpress21: PCI_REG_PCIE_DEVICE_CONTROL2 struct has 17 bits

I want to withdraw my request as by renaming it would cause build failures in the code that is already using this register definition.