diff --git a/drivers/watchdog/ar7_wdt.c b/drivers/watchdog/ar7_wdt.c
index cdaab8c3d3d06e1ae1288fef3bf39207dd8284ba..2eb48c0df32c9889fa93e0d4123912f735f6f1c7 100644
--- a/drivers/watchdog/ar7_wdt.c
+++ b/drivers/watchdog/ar7_wdt.c
@@ -279,7 +279,7 @@ static int ar7_wdt_ioctl(struct inode *inode, struct file *file,
 	}
 }
 
-static struct file_operations ar7_wdt_fops = {
+static const struct file_operations ar7_wdt_fops = {
 	.owner		= THIS_MODULE,
 	.write		= ar7_wdt_write,
 	.ioctl		= ar7_wdt_ioctl,
diff --git a/drivers/watchdog/bfin_wdt.c b/drivers/watchdog/bfin_wdt.c
index 31dc7a69e90c05e89da991a0c684918c19563028..472be10f0686646cc52fe5add98b3d64ff6dff11 100644
--- a/drivers/watchdog/bfin_wdt.c
+++ b/drivers/watchdog/bfin_wdt.c
@@ -390,7 +390,7 @@ static struct platform_driver bfin_wdt_driver = {
 	.resume    = bfin_wdt_resume,
 };
 
-static struct file_operations bfin_wdt_fops = {
+static const struct file_operations bfin_wdt_fops = {
 	.owner    = THIS_MODULE,
 	.llseek   = no_llseek,
 	.write    = bfin_wdt_write,
diff --git a/drivers/watchdog/it8712f_wdt.c b/drivers/watchdog/it8712f_wdt.c
index 6330fc02464e0b46ccd8d832be31446735284aa0..1b6d7d1b715d57f819994e9790ac8be57c12abf3 100644
--- a/drivers/watchdog/it8712f_wdt.c
+++ b/drivers/watchdog/it8712f_wdt.c
@@ -296,7 +296,7 @@ it8712f_wdt_release(struct inode *inode, struct file *file)
 	return 0;
 }
 
-static struct file_operations it8712f_wdt_fops = {
+static const struct file_operations it8712f_wdt_fops = {
 	.owner = THIS_MODULE,
 	.llseek = no_llseek,
 	.write = it8712f_wdt_write,
diff --git a/drivers/watchdog/mpc5200_wdt.c b/drivers/watchdog/mpc5200_wdt.c
index 11f6a111e75b750dc6716bb19ba2aedb4cdc98aa..80a91d4cea11fff2f2a1cb05c523863f04dfbba2 100644
--- a/drivers/watchdog/mpc5200_wdt.c
+++ b/drivers/watchdog/mpc5200_wdt.c
@@ -158,7 +158,7 @@ static int mpc5200_wdt_release(struct inode *inode, struct file *file)
 	return 0;
 }
 
-static struct file_operations mpc5200_wdt_fops = {
+static const struct file_operations mpc5200_wdt_fops = {
 	.owner	= THIS_MODULE,
 	.write	= mpc5200_wdt_write,
 	.ioctl	= mpc5200_wdt_ioctl,
diff --git a/drivers/watchdog/mtx-1_wdt.c b/drivers/watchdog/mtx-1_wdt.c
index dcfd401a7ad725dc3d4a1febf7726482e1d56650..98451747d3cda0dd1b28fa87dda13a9685a6ee48 100644
--- a/drivers/watchdog/mtx-1_wdt.c
+++ b/drivers/watchdog/mtx-1_wdt.c
@@ -180,7 +180,7 @@ static ssize_t mtx1_wdt_write(struct file *file, const char *buf, size_t count,
 	return count;
 }
 
-static struct file_operations mtx1_wdt_fops = {
+static const struct file_operations mtx1_wdt_fops = {
 	.owner 		= THIS_MODULE,
 	.llseek		= no_llseek,
 	.ioctl		= mtx1_wdt_ioctl,