1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/base/component.c b/drivers/base/component.c
index 741497324d78..a482708566bc 100644
--- a/drivers/base/component.c
+++ b/drivers/base/component.c
@@ -569,11 +569,28 @@ void component_master_del(struct device *parent,
 }
 EXPORT_SYMBOL_GPL(component_master_del);
 
+bool component_master_is_bound(struct device *parent,
+	const struct component_master_ops *ops)
+{
+	struct aggregate_device *adev;
+
+	guard(mutex)(&component_mutex);
+	adev = __aggregate_find(parent, ops);
+	if (!adev)
+		return 0;
+
+	return adev->bound;
+}
+EXPORT_SYMBOL_GPL(component_master_is_bound);
+
 static void component_unbind(struct component *component,
 	struct aggregate_device *adev, void *data)
 {
 	WARN_ON(!component->bound);
 
+	dev_dbg(adev->parent, "unbinding %s component %p (ops %ps)\n",
+		dev_name(component->dev), component, component->ops);
+
 	if (component->ops && component->ops->unbind)
 		component->ops->unbind(component->dev, adev->parent, data);
 	component->bound = false;