linux-kernel - [PATCH] arm: s3c64xx: make s3c64xx

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Message-Id: <20240204-bus_cleanup-arm-v1-1-41d651dd8411@marliere.net>
Date: Sun, 04 Feb 2024 11:46:21 -0300
From: "Ricardo B. Marliere" <ricardo@...liere.net>
To: Russell King <linux@...linux.org.uk>, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>, 
 Alim Akhtar <alim.akhtar@...sung.com>
Cc: linux-arm-kernel@...ts.infradead.org, linux-samsung-soc@...r.kernel.org, 
 linux-kernel@...r.kernel.org, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 "Ricardo B. Marliere" <ricardo@...liere.net>
Subject: [PATCH] arm: s3c64xx: make s3c64xx_subsys const

Now that the driver core can properly handle constant struct bus_type,
move the s3c64xx_subsys 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>
---
 arch/arm/mach-s3c/s3c64xx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-s3c/s3c64xx.c b/arch/arm/mach-s3c/s3c64xx.c
index 9f9717874d67..6c70ea7f2931 100644
--- a/arch/arm/mach-s3c/s3c64xx.c
+++ b/arch/arm/mach-s3c/s3c64xx.c
@@ -149,7 +149,7 @@ static struct map_desc s3c_iodesc[] __initdata = {
 	},
 };

-static struct bus_type s3c64xx_subsys = {
+static const struct bus_type s3c64xx_subsys = {
 	.name		= "s3c64xx-core",
 	.dev_name	= "s3c64xx-core",
 };

---
base-commit: 8f5b7dbc644d6217a2fd35cb82594b215818eb16
change-id: 20240204-bus_cleanup-arm-391704e66efc

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