update GetPerformanceCounterProperties() declare

[mirror_edk2.git] / MdePkg / Include / Library / TimerLib.h

diff --git a/MdePkg/Include/Library/TimerLib.h b/MdePkg/Include/Library/TimerLib.h
index 3d0f03eda0e0878ad7bd4df6483f60984f2af8db..8f31bbb5f32f5d7c9de0c2c34921a27546dc2f37 100644 (file)
--- a/MdePkg/Include/Library/TimerLib.h
+++ b/MdePkg/Include/Library/TimerLib.h
@@ -1,16 +1,16 @@
 /** @file\r
-       Timer Library Functions\r
+  Timer Library Functions\r
 \r
-       Copyright (c) 2006, Intel Corporation\r
-       All rights reserved. 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
-       http://opensource.org/licenses/bsd-license.php\r
+  Copyright (c) 2006, Intel Corporation\r
+  All rights reserved. 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
+  http://opensource.org/licenses/bsd-license.php\r
 \r
-       THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-       WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
 \r
-       Module Name:    TimerLib.h\r
+  Module Name:  TimerLib.h\r
 \r
 **/\r
 \r
@@ -24,7 +24,7 @@
 \r
   @param  MicroSeconds  The minimum number of microseconds to delay.\r
 \r
-  @return Return value depends on implementation.\r
+  @return MicroSeconds\r
 \r
 **/\r
 UINTN\r
@@ -40,7 +40,7 @@ MicroSecondDelay (
 \r
   @param  NanoSeconds The minimum number of nanoseconds to delay.\r
 \r
-  @return Return value depends on implementation.\r
+  @return NanoSeconds\r
 \r
 **/\r
 UINTN\r
@@ -93,8 +93,8 @@ GetPerformanceCounter (
 UINT64\r
 EFIAPI\r
 GetPerformanceCounterProperties (\r
-  IN      UINT64                    *StartValue,  OPTIONAL\r
-  IN      UINT64                    *EndValue     OPTIONAL\r
+  OUT      UINT64                    *StartValue,  OPTIONAL\r
+  OUT      UINT64                    *EndValue     OPTIONAL\r
   );\r
 \r
 #endif\r