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-rw-r--r--ArmPkg/Drivers/ArmScmiDxe/ScmiDxe.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/ArmPkg/Drivers/ArmScmiDxe/ScmiDxe.c b/ArmPkg/Drivers/ArmScmiDxe/ScmiDxe.c
index d5890a7633..fb4e79aa36 100644
--- a/ArmPkg/Drivers/ArmScmiDxe/ScmiDxe.c
+++ b/ArmPkg/Drivers/ArmScmiDxe/ScmiDxe.c
@@ -4,9 +4,9 @@
SPDX-License-Identifier: BSD-2-Clause-Patent
- System Control and Management Interface V1.0
- http://infocenter.arm.com/help/topic/com.arm.doc.den0056a/
- DEN0056A_System_Control_and_Management_Interface.pdf
+ @par Specification Reference:
+ - Arm System Control and Management Interface - Platform Design Document
+ (https://developer.arm.com/documentation/den0056/)
**/
#include <Base.h>
@@ -86,7 +86,9 @@ ArmScmiDxeEntryPoint (
return Status;
}
- if (Version != BASE_PROTOCOL_VERSION) {
+ // Accept any version between SCMI v1.0 and SCMI v2.0
+ if ((Version < BASE_PROTOCOL_VERSION_V1) ||
+ (Version > BASE_PROTOCOL_VERSION_V2)) {
ASSERT (FALSE);
return EFI_UNSUPPORTED;
}