edk2/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/PeiMemoryAllocationL...

[mirror_edk2.git] / MdeModulePkg / Universal / PcatRealTimeClockRuntimeDxe / PcRtc.c

diff --git a/MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/PcRtc.c b/MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/PcRtc.c
index a007bd059568d75d8fde1f423d5240b900cf6df1..c9bf401e1c214270fd4f35e335ffc9375468ab5d 100644 (file)
--- a/MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/PcRtc.c
+++ b/MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/PcRtc.c
@@ -179,7 +179,7 @@ Returns:
   // Set RTC configuration after get original time\r
   // The value of bit AIE should be reserved.\r
   //\r
-  RtcWrite (RTC_ADDRESS_REGISTER_B, RTC_INIT_REGISTER_B | (RegisterB.Data & BIT5));\r
+  RtcWrite (RTC_ADDRESS_REGISTER_B, (UINT8)(RTC_INIT_REGISTER_B | (RegisterB.Data & BIT5)));\r
 \r
   //\r
   // Release RTC Lock.\r