linux-kernel - [PATCH] counter: make counter_bus

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Message-Id: <20240204-bus_cleanup-counter-v1-1-cef9dd719bdc@marliere.net>
Date: Sun, 04 Feb 2024 13:02:30 -0300
From: "Ricardo B. Marliere" <ricardo@...liere.net>
To: William Breathitt Gray <william.gray@...aro.org>
Cc: linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 "Ricardo B. Marliere" <ricardo@...liere.net>
Subject: [PATCH] counter: make counter_bus_type const

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

Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@...liere.net>
---
 drivers/counter/counter-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/counter/counter-core.c b/drivers/counter/counter-core.c
index 09c77afb33ca..f6a939d51171 100644
--- a/drivers/counter/counter-core.c
+++ b/drivers/counter/counter-core.c
@@ -53,7 +53,7 @@ static struct device_type counter_device_type = {
 	.release = counter_device_release,
 };

-static struct bus_type counter_bus_type = {
+static const struct bus_type counter_bus_type = {
 	.name = "counter",
 	.dev_name = "counter",
 };

---
base-commit: 0b3bbd8f9baf245ec77d86f6f5bc902105b4bfa9
change-id: 20240204-bus_cleanup-counter-7ea21a4a4abd

Best regards,
-- 
Ricardo B. Marliere <ricardo@...liere.net>