Refine BaseTscTimerLib.

Signed-off-by: lzeng14
Reviewed-by: vanjeff
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12608 6f19259b-4bc3-4df7-8a09-765794883524

diff --git a/PerformancePkg/Library/TscTimerLib/BaseTscTimerLib.c b/PerformancePkg/Library/TscTimerLib/BaseTscTimerLib.c
index 77bc04e0854752bf39bd7ecd7b099b12389f2085..c49f786641c548df0590f1584c58d05ef7669266 100644 (file)
--- a/PerformancePkg/Library/TscTimerLib/BaseTscTimerLib.c
+++ b/PerformancePkg/Library/TscTimerLib/BaseTscTimerLib.c
@@ -30,8 +30,6 @@
 \r
 #include "TscTimerLibInternal.h"\r
 \r
-UINT64  mTscFrequency = 0;\r
-\r
 /**  Get TSC frequency.\r
 \r
   @return The number of TSC counts per second.\r
@@ -42,16 +40,6 @@ InternalGetTscFrequency (
   VOID\r
   )\r
 {\r
-  UINT64    TscFrequency;\r
-\r
-  if (mTscFrequency != 0) {\r
-    return mTscFrequency;\r
-  }\r
-\r
-  TscFrequency = InternalCalculateTscFrequency ();\r
-\r
-  mTscFrequency = TscFrequency;\r
-\r
-  return TscFrequency;\r
+  return InternalCalculateTscFrequency ();\r
 }\r
 \r