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-rw-r--r--ArmPkg/Include/Library/OpteeLib.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/ArmPkg/Include/Library/OpteeLib.h b/ArmPkg/Include/Library/OpteeLib.h
index 6884d56818..a7b2ff1b6b 100644
--- a/ArmPkg/Include/Library/OpteeLib.h
+++ b/ArmPkg/Include/Library/OpteeLib.h
@@ -35,6 +35,7 @@
#define OPTEE_MESSAGE_ATTRIBUTE_TYPE_MASK 0xff
+#define OPTEE_SUCCESS 0x00000000
#define OPTEE_ORIGIN_COMMUNICATION 0x00000002
#define OPTEE_ERROR_COMMUNICATION 0xFFFF000E