linux-kernel - Re: staging driver s626 clashes with philips SAA7146 media/dvb based cards

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Message-Id: <200906161830.02308.herton@mandriva.com.br>
Date:	Tue, 16 Jun 2009 18:30:01 -0300
From:	Herton Ronaldo Krzesinski <herton@...driva.com.br>
To:	Greg KH <gregkh@...e.de>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Gianluca Palli <gpalli@...s.unibo.it>,
	David Schleef <ds@...leef.org>,
	Frank Mori Hess <fmhess@...rs.sourceforge.net>,
	Ian Abbott <abbotti@....co.uk>
Subject: Re: staging driver s626 clashes with philips SAA7146 media/dvb based cards

Em Terça-feira 16 Junho 2009, às 17:51:21, Greg KH escreveu:
> 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.

Can't propose proper sub ids here etc., as I don't know about/don't have s626 
device, s626 author is CC'ed here to check this. But I could send a patch to 
disable just the build of s626 if acceptable/desired for the moment.

>
> thanks,
>
> greg k-h

--
[]'s
Herton
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