From: Ruiyu Ni <ruiyu.ni@intel.com>
Date: Tue, 2 Feb 2016 08:36:23 +0000 (+0800)
Subject: MdeModulePkg/PcRtc: Still create timezone variable when Daylight != 0
X-Git-Tag: edk2-stable201903~7895
X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=commitdiff_plain;h=0119b0660789a8db77fa5ff54652d155d7948d9b

MdeModulePkg/PcRtc: Still create timezone variable when Daylight != 0

The patch fixes a regression bug caused by last check-in which
causes Daylight setting cannot be set when timezone is unspecified.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>
---

diff --git a/PcAtChipsetPkg/PcatRealTimeClockRuntimeDxe/PcRtc.c b/PcAtChipsetPkg/PcatRealTimeClockRuntimeDxe/PcRtc.c
index acc70a67b7..5143575e31 100644
--- a/PcAtChipsetPkg/PcatRealTimeClockRuntimeDxe/PcRtc.c
+++ b/PcAtChipsetPkg/PcatRealTimeClockRuntimeDxe/PcRtc.c
@@ -487,7 +487,7 @@ PcRtcSetTime (
   //
   // Write timezone and daylight to RTC variable
   //
-  if (Time->TimeZone == EFI_UNSPECIFIED_TIMEZONE) {
+  if ((Time->TimeZone == EFI_UNSPECIFIED_TIMEZONE) && (Time->Daylight == 0)) {
     Status = EfiSetVariable (
                mTimeZoneVariableName,
                &gEfiCallerIdGuid,