linux-kernel - [PATCH 3/6] drivers: base: component: Add debug message for unbind

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Message-ID: <20250212200542.515493-4-lucas.demarchi@intel.com>
Date: Wed, 12 Feb 2025 12:05:39 -0800
From: Lucas De Marchi <lucas.demarchi@...el.com>
To: linux-kernel@...r.kernel.org
Cc: Rodrigo Vivi <rodrigo.vivi@...el.com>,
	dri-devel@...ts.freedesktop.org,
	Danilo Krummrich <dakr@...nel.org>,
	"Rafael J. Wysocki" <rafael@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Lucas De Marchi <lucas.demarchi@...el.com>
Subject: [PATCH 3/6] drivers: base: component: Add debug message for unbind

Like when binding component, add a debug message to the unbinding case
to make it easy to track the lifecycle. This also includes the component
pointer since that is used to open a group in devres, making it easier
to track the resources.

Signed-off-by: Lucas De Marchi <lucas.demarchi@...el.com>
---
 drivers/base/component.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/base/component.c b/drivers/base/component.c
index 741497324d78a..5d10600bbc25e 100644
--- a/drivers/base/component.c
+++ b/drivers/base/component.c
@@ -574,6 +574,9 @@ static void component_unbind(struct component *component,
 {
 	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;
-- 
2.48.1