diff --git a/drivers/media/dvb-frontends/stv6110x.h b/drivers/media/dvb-frontends/stv6110x.h
index 9f7eb25..696b6e5 100644
--- a/drivers/media/dvb-frontends/stv6110x.h
+++ b/drivers/media/dvb-frontends/stv6110x.h
@@ -55,12 +55,12 @@
 
 #if IS_REACHABLE(CONFIG_DVB_STV6110x)
 
-extern struct stv6110x_devctl *stv6110x_attach(struct dvb_frontend *fe,
+extern const struct stv6110x_devctl *stv6110x_attach(struct dvb_frontend *fe,
 					       const struct stv6110x_config *config,
 					       struct i2c_adapter *i2c);
 
 #else
-static inline struct stv6110x_devctl *stv6110x_attach(struct dvb_frontend *fe,
+static inline const struct stv6110x_devctl *stv6110x_attach(struct dvb_frontend *fe,
 						      const struct stv6110x_config *config,
 						      struct i2c_adapter *i2c)
 {