diff --git a/drivers/watchdog/bcm7038_wdt.c b/drivers/watchdog/bcm7038_wdt.c
index 4245b65..e238df4 100644
--- a/drivers/watchdog/bcm7038_wdt.c
+++ b/drivers/watchdog/bcm7038_wdt.c
@@ -107,7 +107,7 @@
 				WDIOF_MAGICCLOSE
 };
 
-static struct watchdog_ops bcm7038_wdt_ops = {
+static const struct watchdog_ops bcm7038_wdt_ops = {
 	.owner		= THIS_MODULE,
 	.start		= bcm7038_wdt_start,
 	.stop		= bcm7038_wdt_stop,
diff --git a/drivers/watchdog/cadence_wdt.c b/drivers/watchdog/cadence_wdt.c
index 0fd267e..98acef7 100644
--- a/drivers/watchdog/cadence_wdt.c
+++ b/drivers/watchdog/cadence_wdt.c
@@ -269,7 +269,7 @@
 };
 
 /* Watchdog Core Ops */
-static struct watchdog_ops cdns_wdt_ops = {
+static const struct watchdog_ops cdns_wdt_ops = {
 	.owner = THIS_MODULE,
 	.start = cdns_wdt_start,
 	.stop = cdns_wdt_stop,
diff --git a/drivers/watchdog/kempld_wdt.c b/drivers/watchdog/kempld_wdt.c
index 5bf931c..8e302d0 100644
--- a/drivers/watchdog/kempld_wdt.c
+++ b/drivers/watchdog/kempld_wdt.c
@@ -430,7 +430,7 @@
 			WDIOF_PRETIMEOUT
 };
 
-static struct watchdog_ops kempld_wdt_ops = {
+static const struct watchdog_ops kempld_wdt_ops = {
 	.owner		= THIS_MODULE,
 	.start		= kempld_wdt_start,
 	.stop		= kempld_wdt_stop,
diff --git a/drivers/watchdog/rn5t618_wdt.c b/drivers/watchdog/rn5t618_wdt.c
index d1c1227..0805ee2 100644
--- a/drivers/watchdog/rn5t618_wdt.c
+++ b/drivers/watchdog/rn5t618_wdt.c
@@ -136,7 +136,7 @@
 	.identity	= DRIVER_NAME,
 };
 
-static struct watchdog_ops rn5t618_wdt_ops = {
+static const struct watchdog_ops rn5t618_wdt_ops = {
 	.owner          = THIS_MODULE,
 	.start          = rn5t618_wdt_start,
 	.stop           = rn5t618_wdt_stop,
diff --git a/drivers/watchdog/softdog.c b/drivers/watchdog/softdog.c
index b067edf..1ae469e 100644
--- a/drivers/watchdog/softdog.c
+++ b/drivers/watchdog/softdog.c
@@ -92,7 +92,7 @@
 	.options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING | WDIOF_MAGICCLOSE,
 };
 
-static struct watchdog_ops softdog_ops = {
+static const struct watchdog_ops softdog_ops = {
 	.owner = THIS_MODULE,
 	.start = softdog_ping,
 	.stop = softdog_stop,
diff --git a/drivers/watchdog/w83627hf_wdt.c b/drivers/watchdog/w83627hf_wdt.c
index 09e8003..ef2ecaf 100644
--- a/drivers/watchdog/w83627hf_wdt.c
+++ b/drivers/watchdog/w83627hf_wdt.c
@@ -302,7 +302,7 @@
 	.identity = "W83627HF Watchdog",
 };
 
-static struct watchdog_ops wdt_ops = {
+static const struct watchdog_ops wdt_ops = {
 	.owner = THIS_MODULE,
 	.start = wdt_start,
 	.stop = wdt_stop,