Re: [v4l-dvb-maintainer] [2.6 patch] cx88/saa7134: remove unused -DHAVE_VIDEO_BUF_DVB

[Adrian Bunk]

On Thu, Dec 07, 2006 at 10:36:01AM -0500, Michael Krufky wrote:
> Adrian Bunk wrote:
> > This patch removes the unused HAVE_VIDEO_BUF_DVB define.
> > 
> > Signed-off-by: Adrian Bunk <bunk@xxxxxxxxx>
> > 
> > --- linux-2.6.19-rc6-mm2/drivers/media/video/cx88/Makefile.old	2006-12-07 15:04:11.000000000 +0100
> > +++ linux-2.6.19-rc6-mm2/drivers/media/video/cx88/Makefile	2006-12-07 15:05:04.000000000 +0100
> > @@ -13,7 +13,6 @@
> >  EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core
> >  EXTRA_CFLAGS += -Idrivers/media/dvb/frontends
> >  
> > -extra-cflags-$(CONFIG_VIDEO_BUF_DVB) += -DHAVE_VIDEO_BUF_DVB=1
> >  extra-cflags-$(CONFIG_VIDEO_CX88_VP3054)+= -DHAVE_VP3054_I2C=1
> >  
> >  EXTRA_CFLAGS += $(extra-cflags-y) $(extra-cflags-m)
> > --- linux-2.6.19-rc6-mm2/drivers/media/video/saa7134/Makefile.old	2006-12-07 15:04:45.000000000 +0100
> > +++ linux-2.6.19-rc6-mm2/drivers/media/video/saa7134/Makefile	2006-12-07 15:04:58.000000000 +0100
> > @@ -15,6 +15,3 @@
> >  EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core
> >  EXTRA_CFLAGS += -Idrivers/media/dvb/frontends
> >  
> > -extra-cflags-$(CONFIG_VIDEO_BUF_DVB) += -DHAVE_VIDEO_BUF_DVB=1
> > -
> > -EXTRA_CFLAGS += $(extra-cflags-y) $(extra-cflags-m)
> 
> NACK.
> 
> HAVE_VIDEO_BUF_DVB is not "unused" ... This symbol is tested for in the
> following locations:
> 
> cx88.h:34:#ifdef HAVE_VIDEO_BUF_DVB
> cx88.h:327:#ifdef HAVE_VIDEO_BUF_DVB
> cx88.h:503:#ifdef HAVE_VIDEO_BUF_DVB
> cx88-i2c.c:157:#ifdef HAVE_VIDEO_BUF_DVB
> saa7134.h:51:#ifdef HAVE_VIDEO_BUF_DVB
> saa7134.h:569:#ifdef HAVE_VIDEO_BUF_DVB
> 
> ...We need this in order to allow compilation of the cx88 / saa7134 modules
> without DVB support. (analog only)
>...
 
Ah, you added them in v4l-dvb last year.

But they are neither in Linus' tree nor in the v4l-dvb git tree that is 
in the latest -mm.

Compilation of cx88 and saa7134 without DVB works fine in these trees, 
so what's the story behind this?

> Regards,
> 
> Michael Krufky

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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