linux-kernel - [PATCH] spmi: make spmi_bus

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Message-Id: <20240204-bus_cleanup-spmi-v1-1-ef7f278f1987@marliere.net>
Date: Sun, 04 Feb 2024 17:38:38 -0300
From: "Ricardo B. Marliere" <ricardo@...liere.net>
To: Stephen Boyd <sboyd@...nel.org>
Cc: linux-kernel@...r.kernel.org, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 "Ricardo B. Marliere" <ricardo@...liere.net>
Subject: [PATCH] spmi: make spmi_bus_type const

Now that the driver core can properly handle constant struct bus_type,
move the spmi_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/spmi/spmi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/spmi/spmi.c b/drivers/spmi/spmi.c
index 93cd4a34debc..401712726383 100644
--- a/drivers/spmi/spmi.c
+++ b/drivers/spmi/spmi.c
@@ -378,7 +378,7 @@ static int spmi_drv_uevent(const struct device *dev, struct kobj_uevent_env *env
 	return 0;
 }

-static struct bus_type spmi_bus_type = {
+static const struct bus_type spmi_bus_type = {
 	.name		= "spmi",
 	.match		= spmi_device_match,
 	.probe		= spmi_drv_probe,

---
base-commit: b85ea95d086471afb4ad062012a4d73cd328fa86
change-id: 20240204-bus_cleanup-spmi-ceaf77643663

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