From mboxrd@z Thu Jan  1 00:00:00 1970
From: Boris Brezillon <boris.brezillon@free-electrons.com>
Subject: Re: [PATCH 01/15] [media] Move mediabus format definition to a more
 standard place
Date: Wed, 5 Nov 2014 16:32:20 +0100
Message-ID: <20141105163220.6cd9ea21@bbrezillon>
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To: Sakari Ailus <sakari.ailus@iki.fi>
Cc: devel@driverdev.osuosl.org, linux-doc@vger.kernel.org, linux-api@vger.kernel.org, linux-kernel@vger.kernel.org, Hans Verkuil <hansverk@cisco.com>, Hans Verkuil <hans.verkuil@cisco.com>, Laurent Pinchart <laurent.pinchart@ideasonboard.com>, Mauro Carvalho Chehab <m.chehab@samsung.com>, Guennadi Liakhovetski <g.liakhovetski@gmx.de>, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org
List-Id: linux-api@vger.kernel.org

On Wed, 5 Nov 2014 17:00:25 +0200
Sakari Ailus <sakari.ailus@iki.fi> wrote:

> Hi,
> 
> On Tue, Nov 04, 2014 at 12:09:59PM +0100, Hans Verkuil wrote:
> > Well, I gave two alternatives :-)
> > 
> > Both are fine as far as I am concerned, but it would be nice to hear
> > what others think.
> 
> In fact I think both are good options. :-)
> 
> I'd perhaps lean towards the latter, for it has the benefit of pushing to
> use the new definitions and the old ones can be deprecated (and eventually
> removed in year 2030 or so ;)).
> 
> Either way, preprocessor macros should be used instead of an enum since that
> way it's possible to figure out at that phase whether something is defined
> or not. There is for enums, too, but it results in a compilation error...
> 

I don't get that last part :-).

-- 
Boris Brezillon, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com