diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c
index 0d08373..76075ee 100644
--- a/drivers/acpi/property.c
+++ b/drivers/acpi/property.c
@@ -79,14 +79,39 @@
 static void acpi_init_of_compatible(struct acpi_device *adev)
 {
 	const union acpi_object *of_compatible;
-	struct acpi_hardware_id *hwid;
-	bool acpi_of = false;
 	int ret;
 
+	ret = acpi_dev_get_property_array(adev, "compatible", ACPI_TYPE_STRING,
+					  &of_compatible);
+	if (ret) {
+		ret = acpi_dev_get_property(adev, "compatible",
+					    ACPI_TYPE_STRING, &of_compatible);
+		if (ret) {
+			if (adev->parent
+			    && adev->parent->flags.of_compatible_ok)
+				goto out;
+
+			return;
+		}
+	}
+	adev->data.of_compatible = of_compatible;
+
+ out:
+	adev->flags.of_compatible_ok = 1;
+}
+
+void acpi_init_properties(struct acpi_device *adev)
+{
+	struct acpi_buffer buf = { ACPI_ALLOCATE_BUFFER };
+	bool acpi_of = false;
+	struct acpi_hardware_id *hwid;
+	const union acpi_object *desc;
+	acpi_status status;
+	int i;
+
 	/*
-	 * Check if the special PRP0001 ACPI ID is present and in that
-	 * case we fill in Device Tree compatible properties for this
-	 * device.
+	 * Check if the special PRP0001 ACPI ID is present and in that case we
+	 * fill in Device Tree compatible properties for this device.
 	 */
 	list_for_each_entry(hwid, &adev->pnp.ids, list) {
 		if (!strcmp(hwid->id, "PRP0001")) {
@@ -95,34 +120,10 @@
 		}
 	}
 
-	if (!acpi_of)
-		return;
-
-	ret = acpi_dev_get_property_array(adev, "compatible", ACPI_TYPE_STRING,
-					  &of_compatible);
-	if (ret) {
-		ret = acpi_dev_get_property(adev, "compatible",
-					    ACPI_TYPE_STRING, &of_compatible);
-		if (ret) {
-			acpi_handle_warn(adev->handle,
-					 "PRP0001 requires compatible property\n");
-			return;
-		}
-	}
-	adev->data.of_compatible = of_compatible;
-}
-
-void acpi_init_properties(struct acpi_device *adev)
-{
-	struct acpi_buffer buf = { ACPI_ALLOCATE_BUFFER };
-	const union acpi_object *desc;
-	acpi_status status;
-	int i;
-
 	status = acpi_evaluate_object_typed(adev->handle, "_DSD", NULL, &buf,
 					    ACPI_TYPE_PACKAGE);
 	if (ACPI_FAILURE(status))
-		return;
+		goto out;
 
 	desc = buf.pointer;
 	if (desc->package.count % 2)
@@ -156,13 +157,20 @@
 		adev->data.pointer = buf.pointer;
 		adev->data.properties = properties;
 
-		acpi_init_of_compatible(adev);
-		return;
+		if (acpi_of)
+			acpi_init_of_compatible(adev);
+
+		goto out;
 	}
 
  fail:
-	dev_warn(&adev->dev, "Returned _DSD data is not valid, skipping\n");
+	dev_dbg(&adev->dev, "Returned _DSD data is not valid, skipping\n");
 	ACPI_FREE(buf.pointer);
+
+ out:
+	if (acpi_of && !adev->flags.of_compatible_ok)
+		acpi_handle_info(adev->handle,
+				 "PRP0001 requires 'compatible' property\n");
 }
 
 void acpi_free_properties(struct acpi_device *adev)