From 102a342bb9672f67a34fd185803aaded4ce8dd0f Mon Sep 17 00:00:00 2001 From: Andrew de Quincey Date: Tue, 8 Aug 2006 09:10:08 -0300 Subject: V4L/DVB (4387): Add Kconfig infrastructure for dvb_attach Allow it to be en/disabled Disable it in < 2.6.17 due to symbol_xxx() bug Signed-off-by: Andrew de Quincey Acked-by: Michael Krufky Acked-by: Trent Piepho Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/cx22700.h | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'drivers/media/dvb/frontends/cx22700.h') diff --git a/drivers/media/dvb/frontends/cx22700.h b/drivers/media/dvb/frontends/cx22700.h index dcd8979c1a15..10286cc29fb4 100644 --- a/drivers/media/dvb/frontends/cx22700.h +++ b/drivers/media/dvb/frontends/cx22700.h @@ -31,7 +31,16 @@ struct cx22700_config u8 demod_address; }; +#if defined(CONFIG_DVB_CX22700) || defined(CONFIG_DVB_CX22700_MODULE) extern struct dvb_frontend* cx22700_attach(const struct cx22700_config* config, struct i2c_adapter* i2c); +#else +static inline struct dvb_frontend* cx22700_attach(const struct cx22700_config* config, + struct i2c_adapter* i2c) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__); + return NULL; +} +#endif // CONFIG_DVB_CX22700 #endif // CX22700_H -- cgit v1.2.1 From c5dec9fb248e3318f30a26f9984b3b064053a77f Mon Sep 17 00:00:00 2001 From: Trent Piepho Date: Sat, 14 Oct 2006 15:44:44 -0300 Subject: V4L/DVB (4751): Fix DBV_FE_CUSTOMISE for card drivers compiled into kernel When a front-end is disabled, card drivers that use it are compiled with a stub version of the front-end's attach function. This way they have no references to the front-end's code and don't need it to be loaded. If a card driver is compiled into the kernel, and a front-end is a module, then that front-end is effectively disabled wrt the card driver. In this case, the card driver should get the stub version. This was not happening. The stub vs real attach function selection is changed so that when the front-end is a module the real attach function is only used if the card driver is a module as well. This means a module front-end will be supported by card drivers that are modules and not supported by card drivers compiled into the kernel. Signed-off-by: Trent Piepho Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/cx22700.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/media/dvb/frontends/cx22700.h') diff --git a/drivers/media/dvb/frontends/cx22700.h b/drivers/media/dvb/frontends/cx22700.h index 10286cc29fb4..7ac33690cdcc 100644 --- a/drivers/media/dvb/frontends/cx22700.h +++ b/drivers/media/dvb/frontends/cx22700.h @@ -31,7 +31,7 @@ struct cx22700_config u8 demod_address; }; -#if defined(CONFIG_DVB_CX22700) || defined(CONFIG_DVB_CX22700_MODULE) +#if defined(CONFIG_DVB_CX22700) || (defined(CONFIG_DVB_CX22700_MODULE) && defined(MODULE)) extern struct dvb_frontend* cx22700_attach(const struct cx22700_config* config, struct i2c_adapter* i2c); #else -- cgit v1.2.1