diff --git a/Documentation/devicetree/bindings/opp/opp-v2-kryo-cpu.yaml b/Documentation/devicetree/bindings/opp/opp-v2-kryo-cpu.yaml
index 59663e897dae..a202b6c6561d 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 @@ properties:
 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 14a7a689ad6d..df8442fb11f0 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 @@ properties:
 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 77d1ba3a4154..e87567dbe99f 100644
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c
@@ -873,7 +873,7 @@ int dev_pm_opp_config_clks_simple(struct device *dev,
 		}
 	}
 
-	return ret;
+	return 0;
 }
 EXPORT_SYMBOL_GPL(dev_pm_opp_config_clks_simple);