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Date: Thu, 9 Dec 2010 01:25:02 -0800
From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
To: Henrik Rydberg <rydberg@euromail.se>
Cc: Jiri Kosina <jkosina@suse.cz>, linux-input@vger.kernel.org,
        linux-kernel@vger.kernel.org, Ping Cheng <pingc@wacom.com>,
        Chris Bagwell <chris@cnpbagwell.com>
Subject: Re: [RFC][PATCH] input: Introduce device information ioctl
Message-ID: <20101209092502.GC8821@core.coreip.homeip.net>
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On Wed, Dec 08, 2010 at 08:04:50PM +0100, Henrik Rydberg wrote:
> > One concern is that while 32 distinct device types should be enough
> 
> > should we plan for larger capability array? Should we use variable
> > length ioctl - like EVIOCGKEY(len) - even though Arnd does not like
> > them?
> 
> 
> Sounds good, but then again the struct approach feels quite extensible too...
> 

Actually the more I think about it the less I like idea of extending the
struct because while keeping ABI is pretty easy there are other issues.

I'll CC you on EVIOCGKEYCODE patch so you can see my concerns.

-- 
Dmitry
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