diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index d7f51b84f3c7..4f495a41ec4a 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -371,7 +371,7 @@ static void scsi_host_dev_release(struct device *dev)
 	kfree(shost);
 }
 
-static struct device_type scsi_host_type = {
+static const struct device_type scsi_host_type = {
 	.name =		"scsi_host",
 	.release =	scsi_host_dev_release,
 };
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 70c0319be34c..44c1956b1720 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -412,7 +412,7 @@ static void scsi_target_dev_release(struct device *dev)
 	put_device(parent);
 }
 
-static struct device_type scsi_target_type = {
+static const struct device_type scsi_target_type = {
 	.name =		"scsi_target",
 	.release =	scsi_target_dev_release,
 };
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index 14d0be0da0c6..49dd34426d5e 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -27,7 +27,7 @@
 #include "scsi_priv.h"
 #include "scsi_logging.h"
 
-static struct device_type scsi_dev_type;
+static const struct device_type scsi_dev_type;
 
 static const struct {
 	enum scsi_device_state	value;
@@ -1626,7 +1626,7 @@ int scsi_sysfs_add_host(struct Scsi_Host *shost)
 	return 0;
 }
 
-static struct device_type scsi_dev_type = {
+static const struct device_type scsi_dev_type = {
 	.name =		"scsi_device",
 	.release =	scsi_device_dev_release,
 	.groups =	scsi_sdev_attr_groups,