Add detailed comments.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6674 6f19259b-4bc3-4df7-8a09-765794883524

diff --git a/MdePkg/Include/Protocol/DeviceIo.h b/MdePkg/Include/Protocol/DeviceIo.h
index cab447fc9851d4c9342b9c65cd2307d9fe5eb260..f95e93e0b5c3bd7852ddf77dae64b3530660c0d9 100644 (file)
--- a/MdePkg/Include/Protocol/DeviceIo.h
+++ b/MdePkg/Include/Protocol/DeviceIo.h
@@ -40,6 +40,10 @@ typedef enum {
   IO_UINT16 = 1,\r
   IO_UINT32 = 2,\r
   IO_UINT64 = 3,\r
+  //\r
+  // Below enumerations are added in "EFI 1.10 Specification update - 001", which\r
+  // is downloadable from http://download.intel.com/technology/efi/docs/EFI_1-10_Update.zip\r
+  //\r
   MMIO_COPY_UINT8  = 4,\r
   MMIO_COPY_UINT16 = 5,\r
   MMIO_COPY_UINT32 = 6,\r