[linux-dvb] Re: videodev.ko not installed when using v4l-dvb (HG) and conflicting symbols

[Mauro Carvalho Chehab]

Michael,

	As we've discussed on chat, just removing the option is not a solution.
videodev is included on some kernel configs, when statically linked in
kernel. 

Cheers,
Mauro.

Em Ter, 2006-02-28 às 11:58 -0500, Michael Krufky escreveu:
> Stone wrote:
> > On 2/27/06, *Stone* <syphyr at gmail.com <mailto:syphyr at gmail.com>> wrote:
> >
> >     I just tried testing the new HG branch of v4l-dvb with linux kernl
> >     2.6.16-rc5 and have come across a few minor issues.
> >
> >     1)  If I have any dvb modules built in the kernel before building
> >     v4l-dvb outside the tree, the symbols seem to conflict when trying
> >     to load the HG modules.  Fix: Disable all DVB modules in kernel
> >     before building dvb modules outside the tree.
> >
> >     saa7146_vv: disagrees about version of symbol video_unregister_device
> >     saa7146_vv: Unknown symbol video_unregister_device
> >     saa7146_vv: disagrees about version of symbol video_device_alloc
> >     saa7146_vv: Unknown symbol video_device_alloc
> >     saa7146_vv: disagrees about version of symbol video_register_device
> >     saa7146_vv: Unknown symbol video_register_device
> >     saa7146_vv: disagrees about version of symbol video_device_release
> >     saa7146_vv: Unknown symbol video_device_release
> >     dvb_ttpci: Unknown symbol saa7146_vv_init
> >     dvb_ttpci: Unknown symbol saa7146_vv_release
> >     dvb_ttpci: Unknown symbol saa7146_start_preview
> >     dvb_ttpci: Unknown symbol saa7146_unregister_device
> >     dvb_ttpci: Unknown symbol saa7146_register_device
> >     dvb_ttpci: Unknown symbol saa7146_set_hps_source_and_sync
> >     dvb_ttpci: Unknown symbol saa7146_stop_preview
> >
> >
> >     2) After doing "make install", there is no videodev.ko in
> >     /lib/mod/{kernel}/kernel/drivers/media/video/videodev.ko. 
> >     Something is wrong with the Makefile where it is not installing
> >     videodev.ko.  If videodev.ko does not exist, I get the following
> >     error:
> >
> >     saa7146_vv: Unknown symbol video_unregister_device
> >     saa7146_vv: Unknown symbol video_device_alloc
> >     saa7146_vv: Unknown symbol video_register_device
> >     saa7146_vv: Unknown symbol video_usercopy
> >     saa7146_vv: Unknown symbol video_device_release
> >
> >
> >     Thanks,
> >
> >
> >
> > The problem with videodev.ko not being installed appears to be in this 
> > wrapped statement in the Makefile:
> >
> > #ifeq ($(CONFIG_VIDEO_DEV),m)
> > inst_video += videodev.ko
> > #endif
> >
> > I have commented out the ifeq/endif lines and everything seems to 
> > build and install perfectly now.  What I can not figure out is why the 
> > other wrapped statements work as expected except this one.
> I got rid of the conditionals... They aren't needed, and are only 
> causing problems.  We already have some other modules in the inst_foo 
> section that aren't always present, so this should be safe as well.
> 
> Mauro, please pull from:
> 
> http://linuxtv.orgdotorg.org/hg/~mkrufky/v4l-dvb
> 
> -remove test for CONFIG_VIDEO_DEV to set inst_video += videodev.ko

Cheers, 
Mauro.