linux-kernel - [PATCH 3/3] watchdog: mpc8xxx_wdt: Constify static struct watchdog

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Date:   Wed, 28 Jul 2021 00:30:42 +0200
From:   Rikard Falkeborn <rikard.falkeborn@...il.com>
To:     Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>
Cc:     linux-watchdog@...r.kernel.org, linux-kernel@...r.kernel.org,
        Rikard Falkeborn <rikard.falkeborn@...il.com>
Subject: [PATCH 3/3] watchdog: mpc8xxx_wdt: Constify static struct watchdog_ops

The struct mpc8xxx_wdt_ops is only assigned to the ops pointer in the
watchdog_device struct, which is a pointer to const struct watchdog_ops.
Make it const to allow the compiler to put it in read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@...il.com>
---
 drivers/watchdog/mpc8xxx_wdt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/watchdog/mpc8xxx_wdt.c b/drivers/watchdog/mpc8xxx_wdt.c
index 2f7ded32e878..1c569be72ea2 100644
--- a/drivers/watchdog/mpc8xxx_wdt.c
+++ b/drivers/watchdog/mpc8xxx_wdt.c
@@ -118,7 +118,7 @@ static struct watchdog_info mpc8xxx_wdt_info = {
 	.identity = "MPC8xxx",
 };
 
-static struct watchdog_ops mpc8xxx_wdt_ops = {
+static const struct watchdog_ops mpc8xxx_wdt_ops = {
 	.owner = THIS_MODULE,
 	.start = mpc8xxx_wdt_start,
 	.ping = mpc8xxx_wdt_ping,
-- 
2.32.0