Update the variable name and GUID to set time zone and daylight saving: Use L"RTC" for shorter name and gEfiCallerIdGuid since this variable is private for this driver.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7577 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/PcRtc.c

@@ -199,8 +199,8 @@ PcRtcInit (
   //
   DataSize = sizeof (UINT32);
   Status = EfiGetVariable (
-             L"TimerVar",
-             &gEfiGenericPlatformVariableGuid,
+             L"RTC",
+             &gEfiCallerIdGuid,
              NULL,
              &DataSize,
              (VOID *) &TimerVar
@@ -429,8 +429,8 @@ PcRtcSetTime (
   TimerVar = Time->Daylight;
   TimerVar = (UINT32) ((TimerVar << 16) | Time->TimeZone);
   Status =  EfiSetVariable (
-              L"TimerVar",
-              &gEfiGenericPlatformVariableGuid,
+              L"RTC",
+              &gEfiCallerIdGuid,
               EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,
               sizeof (TimerVar),
               &TimerVar

MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/PcRtc.h

@@ -20,7 +20,6 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 #include <Uefi.h>
 
 #include <Protocol/RealTimeClock.h>
-#include <Guid/GenericPlatformVariable.h>
 
 #include <Library/BaseLib.h>
 #include <Library/DebugLib.h>

MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/PcatRealTimeClockRuntimeDxe.inf

@@ -52,10 +52,6 @@
   BaseLib
   PcdLib
 
-[Guids]
-  gEfiGenericPlatformVariableGuid               ## PRODUCES ##Variable:L"TimerVar"
-  gEfiGenericPlatformVariableGuid               ## CONSUMES ##Variable:L"TimerVar"
-
 [Protocols]
   gEfiRealTimeClockArchProtocolGuid             ## PRODUCES