--- zzzz-none-000/linux-3.10.107/drivers/media/dvb-frontends/tda8261.h 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/drivers/media/dvb-frontends/tda8261.h 2021-02-04 17:41:59.000000000 +0000 @@ -34,7 +34,7 @@ enum tda8261_step step_size; }; -#if IS_ENABLED(CONFIG_DVB_TDA8261) +#if IS_REACHABLE(CONFIG_DVB_TDA8261) extern struct dvb_frontend *tda8261_attach(struct dvb_frontend *fe, const struct tda8261_config *config,