diff --git a/drivers/misc/sentinel/s400_api.c b/drivers/misc/sentinel/s400_api.c
index 01a673e..65032f7 100644
--- a/drivers/misc/sentinel/s400_api.c
+++ b/drivers/misc/sentinel/s400_api.c
@@ -17,8 +17,8 @@
 int ahab_release_rdc(u8 core_id, u8 xrdc, u32 *response)
 {
 	struct udevice *dev = gd->arch.s400_dev;
-	int size = sizeof(struct imx8ulp_s400_msg);
-	struct imx8ulp_s400_msg msg;
+	int size = sizeof(struct sentinel_msg);
+	struct sentinel_msg msg;
 	int ret;
 
 	if (!dev) {
@@ -62,8 +62,8 @@
 int ahab_auth_oem_ctnr(ulong ctnr_addr, u32 *response)
 {
 	struct udevice *dev = gd->arch.s400_dev;
-	int size = sizeof(struct imx8ulp_s400_msg);
-	struct imx8ulp_s400_msg msg;
+	int size = sizeof(struct sentinel_msg);
+	struct sentinel_msg msg;
 	int ret;
 
 	if (!dev) {
@@ -92,8 +92,8 @@
 int ahab_release_container(u32 *response)
 {
 	struct udevice *dev = gd->arch.s400_dev;
-	int size = sizeof(struct imx8ulp_s400_msg);
-	struct imx8ulp_s400_msg msg;
+	int size = sizeof(struct sentinel_msg);
+	struct sentinel_msg msg;
 	int ret;
 
 	if (!dev) {
@@ -120,8 +120,8 @@
 int ahab_verify_image(u32 img_id, u32 *response)
 {
 	struct udevice *dev = gd->arch.s400_dev;
-	int size = sizeof(struct imx8ulp_s400_msg);
-	struct imx8ulp_s400_msg msg;
+	int size = sizeof(struct sentinel_msg);
+	struct sentinel_msg msg;
 	int ret;
 
 	if (!dev) {
@@ -149,8 +149,8 @@
 int ahab_forward_lifecycle(u16 life_cycle, u32 *response)
 {
 	struct udevice *dev = gd->arch.s400_dev;
-	int size = sizeof(struct imx8ulp_s400_msg);
-	struct imx8ulp_s400_msg msg;
+	int size = sizeof(struct sentinel_msg);
+	struct sentinel_msg msg;
 	int ret;
 
 	if (!dev) {
@@ -178,8 +178,8 @@
 int ahab_read_common_fuse(u16 fuse_id, u32 *fuse_words, u32 fuse_num, u32 *response)
 {
 	struct udevice *dev = gd->arch.s400_dev;
-	int size = sizeof(struct imx8ulp_s400_msg);
-	struct imx8ulp_s400_msg msg;
+	int size = sizeof(struct sentinel_msg);
+	struct sentinel_msg msg;
 	int ret;
 
 	if (!dev) {
@@ -226,8 +226,8 @@
 int ahab_write_fuse(u16 fuse_id, u32 fuse_val, bool lock, u32 *response)
 {
 	struct udevice *dev = gd->arch.s400_dev;
-	int size = sizeof(struct imx8ulp_s400_msg);
-	struct imx8ulp_s400_msg msg;
+	int size = sizeof(struct sentinel_msg);
+	struct sentinel_msg msg;
 	int ret;
 
 	if (!dev) {
@@ -259,8 +259,8 @@
 int ahab_release_caam(u32 core_did, u32 *response)
 {
 	struct udevice *dev = gd->arch.s400_dev;
-	int size = sizeof(struct imx8ulp_s400_msg);
-	struct imx8ulp_s400_msg msg;
+	int size = sizeof(struct sentinel_msg);
+	struct sentinel_msg msg;
 	int ret;
 
 	if (!dev) {
@@ -329,8 +329,8 @@
 int ahab_dump_buffer(u32 *buffer, u32 buffer_length)
 {
 	struct udevice *dev = gd->arch.s400_dev;
-	int size = sizeof(struct imx8ulp_s400_msg);
-	struct imx8ulp_s400_msg msg;
+	int size = sizeof(struct sentinel_msg);
+	struct sentinel_msg msg;
 	int ret, i = 0;
 
 	if (!dev) {
@@ -363,8 +363,8 @@
 int ahab_get_info(struct sentinel_get_info_data *info, u32 *response)
 {
 	struct udevice *dev = gd->arch.s400_dev;
-	int size = sizeof(struct imx8ulp_s400_msg);
-	struct imx8ulp_s400_msg msg;
+	int size = sizeof(struct sentinel_msg);
+	struct sentinel_msg msg;
 	int ret;
 
 	if (!dev) {
@@ -394,8 +394,8 @@
 int ahab_get_fw_status(u32 *status, u32 *response)
 {
 	struct udevice *dev = gd->arch.s400_dev;
-	int size = sizeof(struct imx8ulp_s400_msg);
-	struct imx8ulp_s400_msg msg;
+	int size = sizeof(struct sentinel_msg);
+	struct sentinel_msg msg;
 	int ret;
 
 	if (!dev) {
diff --git a/drivers/misc/sentinel/s4mu.c b/drivers/misc/sentinel/s4mu.c
index 18aea27..794fc40 100644
--- a/drivers/misc/sentinel/s4mu.c
+++ b/drivers/misc/sentinel/s4mu.c
@@ -85,7 +85,7 @@
 
 static int imx8ulp_mu_read(struct mu_type *base, void *data)
 {
-	struct imx8ulp_s400_msg *msg = (struct imx8ulp_s400_msg *)data;
+	struct sentinel_msg *msg = (struct sentinel_msg *)data;
 	int ret;
 	u8 count = 0;
 
@@ -118,7 +118,7 @@
 
 static int imx8ulp_mu_write(struct mu_type *base, void *data)
 {
-	struct imx8ulp_s400_msg *msg = (struct imx8ulp_s400_msg *)data;
+	struct sentinel_msg *msg = (struct sentinel_msg *)data;
 	int ret;
 	u8 count = 0;
 
@@ -171,7 +171,7 @@
 			return ret;
 	}
 
-	result = ((struct imx8ulp_s400_msg *)rx_msg)->data[0];
+	result = ((struct sentinel_msg *)rx_msg)->data[0];
 	if ((result & 0xff) == 0xd6)
 		return 0;