--- zzzz-none-000/linux-3.10.107/drivers/media/dvb-frontends/nxt6000.h 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/drivers/media/dvb-frontends/nxt6000.h 2021-02-04 17:41:59.000000000 +0000 @@ -33,7 +33,7 @@ u8 clock_inversion:1; }; -#if IS_ENABLED(CONFIG_DVB_NXT6000) +#if IS_REACHABLE(CONFIG_DVB_NXT6000) extern struct dvb_frontend* nxt6000_attach(const struct nxt6000_config* config, struct i2c_adapter* i2c); #else