diff --git a/drivers/arm/ethosn/ethosn_smc.c b/drivers/arm/ethosn/ethosn_smc.c
index cf34910..6b1ab85 100644
--- a/drivers/arm/ethosn/ethosn_smc.c
+++ b/drivers/arm/ethosn/ethosn_smc.c
@@ -286,3 +286,13 @@
 		SMC_RET1(handle, SMC_UNK);
 	}
 }
+
+int ethosn_smc_setup(void)
+{
+	if (ETHOSN_NUM_DEVICES == 0U) {
+		ERROR("ETHOSN: No NPU found\n");
+		return ETHOSN_FAILURE;
+	}
+
+	return 0;
+}