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Subject: [media] rtl28xxu: silence error log about disabled rtl2832_sdr module Author: Antti Palosaari <[email protected]> Date: Wed Apr 9 18:08:37 2014 -0300 It printed a little bit too heavy looking error log "DVB: Unable to find symbol rtl2832_sdr_attach()" when staging module was disabled. Silence that error by introducing own version of dvb_attach() macro without the error logging. Signed-off-by: Antti Palosaari <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/media/usb/dvb-usb-v2/rtl28xxu.c | 27 +++++++++++++++++++++++---- 1 files changed, 23 insertions(+), 4 deletions(-) --- http://git.linuxtv.org/media_tree.git?a=commitdiff;h=beab1b530efa46164fbec3dc9b779cc7739b4f2c diff --git a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c index 3a7a5a7..dcbd392 100644 --- a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c +++ b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c @@ -55,6 +55,25 @@ static inline struct dvb_frontend *rtl2832_sdr_attach(struct dvb_frontend *fe, } #endif +#ifdef CONFIG_MEDIA_ATTACH +#define dvb_attach_sdr(FUNCTION, ARGS...) ({ \ + void *__r = NULL; \ + typeof(&FUNCTION) __a = symbol_request(FUNCTION); \ + if (__a) { \ + __r = (void *) __a(ARGS); \ + if (__r == NULL) \ + symbol_put(FUNCTION); \ + } \ + __r; \ +}) + +#else +#define dvb_attach_sdr(FUNCTION, ARGS...) ({ \ + FUNCTION(ARGS); \ +}) + +#endif + static int rtl28xxu_disable_rc; module_param_named(disable_rc, rtl28xxu_disable_rc, int, 0644); MODULE_PARM_DESC(disable_rc, "disable RTL2832U remote controller"); @@ -927,7 +946,7 @@ static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap) adap->fe[0]->ops.tuner_ops.get_rf_strength; /* attach SDR */ - dvb_attach(rtl2832_sdr_attach, adap->fe[0], &d->i2c_adap, + dvb_attach_sdr(rtl2832_sdr_attach, adap->fe[0], &d->i2c_adap, &rtl28xxu_rtl2832_fc0012_config, NULL); break; case TUNER_RTL2832_FC0013: @@ -939,7 +958,7 @@ static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap) adap->fe[0]->ops.tuner_ops.get_rf_strength; /* attach SDR */ - dvb_attach(rtl2832_sdr_attach, adap->fe[0], &d->i2c_adap, + dvb_attach_sdr(rtl2832_sdr_attach, adap->fe[0], &d->i2c_adap, &rtl28xxu_rtl2832_fc0013_config, NULL); break; case TUNER_RTL2832_E4000: { @@ -970,7 +989,7 @@ static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap) i2c_set_adapdata(i2c_adap_internal, d); /* attach SDR */ - dvb_attach(rtl2832_sdr_attach, adap->fe[0], + dvb_attach_sdr(rtl2832_sdr_attach, adap->fe[0], i2c_adap_internal, &rtl28xxu_rtl2832_e4000_config, sd); } @@ -1001,7 +1020,7 @@ static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap) adap->fe[0]->ops.tuner_ops.get_rf_strength; /* attach SDR */ - dvb_attach(rtl2832_sdr_attach, adap->fe[0], &d->i2c_adap, + dvb_attach_sdr(rtl2832_sdr_attach, adap->fe[0], &d->i2c_adap, &rtl28xxu_rtl2832_r820t_config, NULL); break; case TUNER_RTL2832_R828D: _______________________________________________ linuxtv-commits mailing list [email protected] http://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
