linux-kernel - [PATCH] hwtracing: intel_th: make intel_th

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Message-ID: <20250918133937.268948-1-abarnas@google.com>
Date: Thu, 18 Sep 2025 13:39:37 +0000
From: "Adrian Barnaś" <abarnas@...gle.com>
To: Alexander Shishkin <alexander.shishkin@...ux.intel.com>, linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
	"Adrian Barnaś" <abarnas@...gle.com>
Subject: [PATCH] hwtracing: intel_th: make intel_th_bus const

Because driver core can properly handle constant struct bus_type,
move the intel_th_bus to be a constant structure as well, placing it into
read-only memory which can not be modified at runtime.

Signed-off-by: Adrian Barnaś <abarnas@...gle.com>
---
 drivers/hwtracing/intel_th/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hwtracing/intel_th/core.c b/drivers/hwtracing/intel_th/core.c
index 47d9e6c3bac0..ba7c8b184cbc 100644
--- a/drivers/hwtracing/intel_th/core.c
+++ b/drivers/hwtracing/intel_th/core.c
@@ -166,7 +166,7 @@ static void intel_th_remove(struct device *dev)
 	pm_runtime_enable(dev);
 }
 
-static struct bus_type intel_th_bus = {
+static const struct bus_type intel_th_bus = {
 	.name		= "intel_th",
 	.match		= intel_th_match,
 	.probe		= intel_th_probe,
-- 
2.51.0.470.ga7dc726c21-goog