MdePkg: Follow PI1.4a to update EFI_SMM_SW_REGISTER2 return status

[mirror_edk2.git] / MdePkg / Include / Protocol / SmmSwDispatch2.h

diff --git a/MdePkg/Include/Protocol/SmmSwDispatch2.h b/MdePkg/Include/Protocol/SmmSwDispatch2.h
index 5e7322da2270f22f0b6145fb3fe360d8aad3457d..161493755568b77fa5157c991e9bc2f9ce87be7c 100644 (file)
--- a/MdePkg/Include/Protocol/SmmSwDispatch2.h
+++ b/MdePkg/Include/Protocol/SmmSwDispatch2.h
@@ -1,10 +1,10 @@
 /** @file\r
-  SMM Software Dispatch Protocol as defined in PI 1.2 Specification\r
+  SMM Software Dispatch Protocol introduced from PI 1.2 Specification\r
   Volume 4 System Management Mode Core Interface.\r
 \r
   This protocol provides the parent dispatch service for a given SMI source generator.\r
 \r
-  Copyright (c) 2009 - 2012, Intel Corporation. All rights reserved.<BR>\r
+  Copyright (c) 2009 - 2016, Intel Corporation. All rights reserved.<BR>\r
   This program and the accompanying materials\r
   are licensed and made available under the terms and conditions of the BSD License\r
   which accompanies this distribution.  The full text of the license may be found at\r
@@ -80,7 +80,7 @@ typedef struct _EFI_SMM_SW_DISPATCH2_PROTOCOL  EFI_SMM_SW_DISPATCH2_PROTOCOL;
                                  registered and the SMI source has been enabled.\r
   @retval EFI_DEVICE_ERROR       The SW driver was unable to enable the SMI source.\r
   @retval EFI_INVALID_PARAMETER  RegisterContext is invalid. The SW SMI input value\r
-                                 is not within valid range.\r
+                                 is not within a valid range or is already in use.\r
   @retval EFI_OUT_OF_RESOURCES   There is not enough memory (system or SMM) to manage this\r
                                  child.\r
   @retval EFI_OUT_OF_RESOURCES   A unique software SMI value could not be assigned\r