linux-kernel - Re: [v4l-dvb-maintainer] [2.6 patch] cx88/saa7134: remove unused -DHAVE_VIDEO_BUF

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Date:	Fri, 08 Dec 2006 13:15:50 -0200
From:	Mauro Carvalho Chehab <mchehab@...radead.org>
To:	Adrian Bunk <bunk@...sta.de>
Cc:	Michael Krufky <mkrufky@...uxtv.org>,
	v4l-dvb-maintainer@...uxtv.org, linux-kernel@...r.kernel.org
Subject: Re: [v4l-dvb-maintainer] [2.6 patch] cx88/saa7134: remove unused
	-DHAVE_VIDEO_BUF_DVB

Hi Mkrufky,

Em Qui, 2006-12-07 às 18:26 +0100, Adrian Bunk escreveu:

> No, the configuration
> 
>   CONFIG_VIDEO_SAA7134=y
>   CONFIG_VIDEO_SAA7134_DVB=n
>   CONFIG_VIDEO_BUF_DVB=n
> 
> builds fine in 2.6.19.

> > Thanks, Adrian, for pointing out this inconsistency.

The point here, seemed to be related to the old v4l-dvb building system
and some conflicts with /boot/config. Previously, if /boot/config have a
symbol (for example) CONFIG_VIDEO_BUF_DVB=Y, it would define this symbol
for cx88, saa7134, etc, but it won't compile the required module,
generating some mess. Our current building system were improved in a way
that it will work fine, undefining such symbols.

In other words, just replacing all HAVE_foo to the proper CONFIG_foo
should work fine.

Anyway, I think it is better if you can take a look on it and do some
tests, before cleaning those legacy defines. There's no rush for this to
kernel window, since it would be just a trivial cleanup patch.

Cheers, 
Mauro.

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