--- zzzz-none-000/linux-3.10.107/drivers/media/dvb-frontends/stv6110.h 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/drivers/media/dvb-frontends/stv6110.h 2021-02-04 17:41:59.000000000 +0000 @@ -46,7 +46,7 @@ u8 clk_div; /* divisor value for the output clock */ }; -#if IS_ENABLED(CONFIG_DVB_STV6110) +#if IS_REACHABLE(CONFIG_DVB_STV6110) extern struct dvb_frontend *stv6110_attach(struct dvb_frontend *fe, const struct stv6110_config *config, struct i2c_adapter *i2c);