--- zzzz-none-000/linux-3.10.107/drivers/media/dvb-frontends/tda665x.h 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/drivers/media/dvb-frontends/tda665x.h 2021-02-04 17:41:59.000000000 +0000 @@ -31,7 +31,7 @@ u32 ref_divider; }; -#if IS_ENABLED(CONFIG_DVB_TDA665x) +#if IS_REACHABLE(CONFIG_DVB_TDA665x) extern struct dvb_frontend *tda665x_attach(struct dvb_frontend *fe, const struct tda665x_config *config,