--- zzzz-none-000/linux-3.10.107/drivers/media/dvb-frontends/m88rs2000.h 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/drivers/media/dvb-frontends/m88rs2000.h 2021-02-04 17:41:59.000000000 +0000 @@ -41,7 +41,7 @@ CALL_IS_READ, }; -#if IS_ENABLED(CONFIG_DVB_M88RS2000) +#if IS_REACHABLE(CONFIG_DVB_M88RS2000) extern struct dvb_frontend *m88rs2000_attach( const struct m88rs2000_config *config, struct i2c_adapter *i2c); #else