diff --git a/Documentation/devicetree/bindings/opp/opp-v2-kryo-cpu.yaml b/Documentation/devicetree/bindings/opp/opp-v2-kryo-cpu.yaml
index 59663e8..a202b6c 100644
--- a/Documentation/devicetree/bindings/opp/opp-v2-kryo-cpu.yaml
+++ b/Documentation/devicetree/bindings/opp/opp-v2-kryo-cpu.yaml
@@ -40,6 +40,7 @@
 patternProperties:
   '^opp-?[0-9]+$':
     type: object
+    additionalProperties: false
 
     properties:
       opp-hz: true
diff --git a/Documentation/devicetree/bindings/opp/opp-v2-qcom-level.yaml b/Documentation/devicetree/bindings/opp/opp-v2-qcom-level.yaml
index 14a7a68..df8442f 100644
--- a/Documentation/devicetree/bindings/opp/opp-v2-qcom-level.yaml
+++ b/Documentation/devicetree/bindings/opp/opp-v2-qcom-level.yaml
@@ -19,6 +19,7 @@
 patternProperties:
   '^opp-?[0-9]+$':
     type: object
+    additionalProperties: false
 
     properties:
       opp-level: true
diff --git a/drivers/opp/core.c b/drivers/opp/core.c
index 77d1ba3..e87567d 100644
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c
@@ -873,7 +873,7 @@
 		}
 	}
 
-	return ret;
+	return 0;
 }
 EXPORT_SYMBOL_GPL(dev_pm_opp_config_clks_simple);