Date: Tue, 16 Jun 2009 13:51:21 -0700
From: Greg KH <gregkh@suse.de>
To: Herton Ronaldo Krzesinski <herton@mandriva.com.br>
Cc: LKML <linux-kernel@vger.kernel.org>, Gianluca Palli <gpalli@deis.unibo.it>,
       David Schleef <ds@schleef.org>,
       Frank Mori Hess <fmhess@users.sourceforge.net>,
       Ian Abbott <abbotti@mev.co.uk>
Subject: Re: staging driver s626 clashes with philips SAA7146 media/dvb
	based cards
Message-ID: <20090616205121.GB2810@suse.de>
References: <200906161701.45234.herton@mandriva.com.br>
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On Tue, Jun 16, 2009 at 05:01:44PM -0300, Herton Ronaldo Krzesinski wrote:
> Hi,
> 
> The s626 (comedi) driver in staging conflicts with philips SAA7146 media/dvb
> based cards, because it claims the same vendor:device pci id for all 
> subdevice/subvendor ids. What happens is that for people that have a philips 
> SAA7146 based card, s626 if available gets loaded by udev and makes system 
> freeze (https://qa.mandriva.com/show_bug.cgi?id=51445).

So a PCI device that does different things has the same device ids?
ick, stupid vendors...

> Looks like s626 shouldn't claim all 1131:7146 devices, either by specifying 
> specific subdevice/subvendor ids specific to s626 devices or doing additional 
> checks in its probe/attach function.

If you can propose the proper sub ids, or the needed checks, please send
a patch.

thanks,

greg k-h
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