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[edk2,2/2] ArmPlatformPkg/PL031RealTimeClockLib: remove local copy of gRT pointer

Message ID 1460535020-3044-2-git-send-email-ard.biesheuvel@linaro.org
State Accepted
Commit fca117fd3f598ad931318bceabbd4718fafc1fc7
Headers show

Commit Message

Ard Biesheuvel April 13, 2016, 8:10 a.m. UTC 
Since the only reason for keeping a local copy mRT of the gRT pointer
is to be able to call GetVariable/SetVariable at runtime, use the
UefiRuntimeLib helpers instead, so that we can drop mRT altogether.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>

---
 ArmPlatformPkg/Library/PL031RealTimeClockLib/PL031RealTimeClockLib.c | 16 ++++++----------
 1 file changed, 6 insertions(+), 10 deletions(-)

-- 
2.5.0

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diff mbox

Patch

diff --git a/ArmPlatformPkg/Library/PL031RealTimeClockLib/PL031RealTimeClockLib.c b/ArmPlatformPkg/Library/PL031RealTimeClockLib/PL031RealTimeClockLib.c
index 516b45675c69..4aa448b528ed 100644
--- a/ArmPlatformPkg/Library/PL031RealTimeClockLib/PL031RealTimeClockLib.c
+++ b/ArmPlatformPkg/Library/PL031RealTimeClockLib/PL031RealTimeClockLib.c
@@ -43,7 +43,6 @@  STATIC CONST CHAR16           mDaylightVariableName[] = L"PL031RtcDaylight";
 STATIC BOOLEAN                mPL031Initialized = FALSE;
 STATIC EFI_EVENT              mRtcVirtualAddrChangeEvent;
 STATIC UINTN                  mPL031RtcBase;
-STATIC EFI_RUNTIME_SERVICES   *mRT;
 
 EFI_STATUS
 IdentifyPL031 (
@@ -293,7 +292,7 @@  LibGetTime (
 
   // Get the current time zone information from non-volatile storage
   Size = sizeof (TimeZone);
-  Status = mRT->GetVariable (
+  Status = EfiGetVariable (
                   (CHAR16 *)mTimeZoneVariableName,
                   &gEfiCallerIdGuid,
                   NULL,
@@ -311,7 +310,7 @@  LibGetTime (
     // The time zone variable does not exist in non-volatile storage, so create it.
     Time->TimeZone = EFI_UNSPECIFIED_TIMEZONE;
     // Store it
-    Status = mRT->SetVariable (
+    Status = EfiSetVariable (
                     (CHAR16 *)mTimeZoneVariableName,
                     &gEfiCallerIdGuid,
                     EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
@@ -345,7 +344,7 @@  LibGetTime (
 
   // Get the current daylight information from non-volatile storage
   Size = sizeof (Daylight);
-  Status = mRT->GetVariable (
+  Status = EfiGetVariable (
                   (CHAR16 *)mDaylightVariableName,
                   &gEfiCallerIdGuid,
                   NULL,
@@ -363,7 +362,7 @@  LibGetTime (
     // The daylight variable does not exist in non-volatile storage, so create it.
     Time->Daylight = 0;
     // Store it
-    Status = mRT->SetVariable (
+    Status = EfiSetVariable (
                     (CHAR16 *)mDaylightVariableName,
                     &gEfiCallerIdGuid,
                     EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
@@ -497,7 +496,7 @@  LibSetTime (
   // Do this after having set the RTC.
 
   // Save the current time zone information into non-volatile storage
-  Status = mRT->SetVariable (
+  Status = EfiSetVariable (
                   (CHAR16 *)mTimeZoneVariableName,
                   &gEfiCallerIdGuid,
                   EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
@@ -515,7 +514,7 @@  LibSetTime (
   }
 
   // Save the current daylight information into non-volatile storage
-  Status = mRT->SetVariable (
+  Status = EfiSetVariable (
                   (CHAR16 *)mDaylightVariableName,
                   &gEfiCallerIdGuid,
                   EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
@@ -608,7 +607,6 @@  LibRtcVirtualNotifyEvent (
   // runtime calls will be made in virtual mode.
   //
   EfiConvertPointer (0x0, (VOID**)&mPL031RtcBase);
-  EfiConvertPointer (0x0, (VOID**)&mRT);
   return;
 }
 
@@ -650,8 +648,6 @@  LibRtcInitialize (
     return Status;
   }
 
-  mRT = gRT;
-
   // Install the protocol
   Handle = NULL;
   Status = gBS->InstallMultipleProtocolInterfaces (