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-rw-r--r--MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/PcRtc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/PcRtc.c b/MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/PcRtc.c
index a007bd0..c9bf401 100644
--- a/MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/PcRtc.c
+++ b/MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/PcRtc.c
@@ -179,7 +179,7 @@ Returns:
// Set RTC configuration after get original time
// The value of bit AIE should be reserved.
//
- RtcWrite (RTC_ADDRESS_REGISTER_B, RTC_INIT_REGISTER_B | (RegisterB.Data & BIT5));
+ RtcWrite (RTC_ADDRESS_REGISTER_B, (UINT8)(RTC_INIT_REGISTER_B | (RegisterB.Data & BIT5)));
//
// Release RTC Lock.