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-rw-r--r--src/soc/amd/common/block/include/amdblocks/smm.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/soc/amd/common/block/include/amdblocks/smm.h b/src/soc/amd/common/block/include/amdblocks/smm.h
index 46008fae2ec7..4a44203ba9fb 100644
--- a/src/soc/amd/common/block/include/amdblocks/smm.h
+++ b/src/soc/amd/common/block/include/amdblocks/smm.h
@@ -1,5 +1,8 @@
/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef _AMDBLOCKS_SMM_H_
+#define _AMDBLOCKS_SMM_H_
+
#include <cpu/x86/msr.h>
#include <types.h>
@@ -16,3 +19,5 @@ void handle_smi_store(void);
void clear_tvalid(void);
/* See SMITYPE_* for list possible of events. GEVENTS are handled with mainboard_smi_gpi. */
void mainboard_handle_smi(int event);
+
+#endif