X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdePkg%2FInclude%2FLibrary%2FTimerLib.h;h=8f31bbb5f32f5d7c9de0c2c34921a27546dc2f37;hp=8523bd0dfbafbe4b02aba9b40d1bc9b8ad662bf9;hb=5117b83be8d73a9c5d15b236e57e4d194d1d9428;hpb=ed850fbf8be3c4389a4cf621a798f5113f7cba89

diff --git a/MdePkg/Include/Library/TimerLib.h b/MdePkg/Include/Library/TimerLib.h
index 8523bd0dfb..8f31bbb5f3 100644
--- a/MdePkg/Include/Library/TimerLib.h
+++ b/MdePkg/Include/Library/TimerLib.h
@@ -93,8 +93,8 @@ GetPerformanceCounter (
 UINT64
 EFIAPI
 GetPerformanceCounterProperties (
-  IN      UINT64                    *StartValue,  OPTIONAL
-  IN      UINT64                    *EndValue     OPTIONAL
+  OUT      UINT64                    *StartValue,  OPTIONAL
+  OUT      UINT64                    *EndValue     OPTIONAL
   );
 
 #endif