This reverts commit 51d17bb7b0da0d9c9e91c226f1982d7020f43795.
commit 51d17bb7b0da0d9c9e91c226f1982d7020f43795 adds new check
of Pcds in the platform unused library INF files.
It breaks the existing platform.
To avoid the impact, roll back this change first.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Bob C Feng <bob.c.f...@intel.com>
Cc: Liming Gao <liming....@intel.com>
---
 .../Source/Python/Workspace/DscBuildData.py   | 19 -------------------
 1 file changed, 19 deletions(-)

diff --git a/BaseTools/Source/Python/Workspace/DscBuildData.py 
b/BaseTools/Source/Python/Workspace/DscBuildData.py
index 9882a36df8..6d596b2b54 100644
--- a/BaseTools/Source/Python/Workspace/DscBuildData.py
+++ b/BaseTools/Source/Python/Workspace/DscBuildData.py
@@ -280,11 +280,10 @@ class DscBuildData(PlatformBuildClassObject):
         self._RFCLanguages      = None
         self._ISOLanguages      = None
         self._VpdToolGuid       = None
         self._MacroDict         = None
         self.DefaultStores      = None
-        self.UsedStructurePcd   = None
 
     ## handle Override Path of Module
     def _HandleOverridePath(self):
         RecordList = self._RawData[MODEL_META_DATA_COMPONENT, self._Arch]
         for Record in RecordList:
@@ -1468,11 +1467,10 @@ class DscBuildData(PlatformBuildClassObject):
                         if str_pcd_obj.Type in 
[self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_HII], 
self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_EX_HII]]:
                             str_pcd_obj_str.DefaultFromDSC = 
{skuname:{defaultstore: 
str_pcd_obj.SkuInfoList[skuname].DefaultStoreDict.get(defaultstore, 
str_pcd_obj.SkuInfoList[skuname].HiiDefaultValue) for defaultstore in 
DefaultStores} for skuname in str_pcd_obj.SkuInfoList}
                         else:
                             str_pcd_obj_str.DefaultFromDSC = 
{skuname:{defaultstore: 
str_pcd_obj.SkuInfoList[skuname].DefaultStoreDict.get(defaultstore, 
str_pcd_obj.SkuInfoList[skuname].DefaultValue) for defaultstore in 
DefaultStores} for skuname in str_pcd_obj.SkuInfoList}
                     S_pcd_set[Pcd] = str_pcd_obj_str
-        self.FilterStrcturePcd(S_pcd_set)
         if S_pcd_set:
             GlobalData.gStructurePcd[self.Arch] = S_pcd_set
         for stru_pcd in S_pcd_set.values():
             for skuid in SkuIds:
                 if skuid in stru_pcd.SkuOverrideValues:
@@ -1564,27 +1562,10 @@ class DscBuildData(PlatformBuildClassObject):
                 elif TAB_DEFAULT in pcd.SkuInfoList and TAB_COMMON in 
pcd.SkuInfoList:
                     del pcd.SkuInfoList[TAB_COMMON]
 
         map(self.FilterSkuSettings, [Pcds[pcdkey] for pcdkey in Pcds if 
Pcds[pcdkey].Type in DynamicPcdType])
         return Pcds
-    #Filter the StrucutrePcd that is not used by any module in dsc file and 
fdf file.
-    def FilterStrcturePcd(self, S_pcd_set):
-        if not self.UsedStructurePcd:
-            FdfInfList = []
-            if GlobalData.gFdfParser:
-                FdfInfList = GlobalData.gFdfParser.Profile.InfList
-            FdfModuleList = [PathClass(NormPath(Inf), GlobalData.gWorkspace, 
Arch=self._Arch) for Inf in FdfInfList]
-            AllModulePcds = set()
-            ModuleSet = set(self._Modules.keys() + self.LibraryInstances + 
FdfModuleList)
-            for ModuleFile in ModuleSet:
-                ModuleData = self._Bdb[ModuleFile, self._Arch, self._Target, 
self._Toolchain]
-                AllModulePcds = AllModulePcds | set(ModuleData.Pcds.keys())
-
-            self.UsedStructurePcd = AllModulePcds
-        UnusedStruPcds = set(S_pcd_set.keys()) - self.UsedStructurePcd
-        for (Token, TokenSpaceGuid) in UnusedStruPcds:
-            del S_pcd_set[(Token, TokenSpaceGuid)]
 
     ## Retrieve non-dynamic PCD settings
     #
     #   @param  Type    PCD type
     #
-- 
2.18.0.windows.1

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