1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/tee/optee/rpc.c b/drivers/tee/optee/rpc.c
new file mode 100644
index 0000000000..3d0a7f2980
--- /dev/null
+++ b/drivers/tee/optee/rpc.c
@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2015-2021, Linaro Limited
+ */
+
+#define pr_fmt(fmt) "optee: " fmt
+
+#include <linux/tee_drv.h>
+#include "optee_private.h"
+
+void optee_rpc_cmd(struct tee_context *ctx, struct optee *optee,
+		   struct optee_msg_arg *arg)
+{
+	pr_notice_once("optee: No supplicant or RPC handler for command 0x%x\n", arg->cmd);
+	arg->ret = TEEC_ERROR_NOT_SUPPORTED;
+}