linux-kernel - Re: OHCI: USB webcam works, but not on USB Hub

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Message-ID: <46127134.7000108@foo-projects.org>
Date:	Tue, 03 Apr 2007 08:22:28 -0700
From:	"Kok, Auke" <sofar@...-projects.org>
To:	Nicolas Mailhot <nicolas.mailhot@...oste.net>
CC:	linux-kernel@...r.kernel.org,
	linux-usb-devel@...ts.sourceforge.net, video4linux-list@...hat.com,
	Michael Bueker <m.bueker@...lin.de>
Subject: Re: OHCI: USB webcam works, but not on USB Hub

Nicolas Mailhot wrote:
> Michael Bueker wrote :
> 
>> I'm using a USB Webcam with the gspca driver (from
>> http://mxhaard.free.fr/download.html), which has been working fine with the
>> latest kernels.
> 
> ...
> 
>> Now, I'm writing to this list because one of the followups to that post
>> (http://lists.zerezo.com/spca50x-devs/msg00665.html) states that this is
> due
>> to a problem with the Linux USB layer:
>>> pls file a bug "ohci driver can't handle low+fullspeed devices on the same
>>> root hub" to linux usb devel list.
> 
> Do the gspca driver authors even intend to merge their module in mainline
> anytime soon? This kind of problem if typical of out-of-tree development.

even plugging a gspca-device in a UHCI hub has issues - it doesn't work together 
  with any other device on the HUB the last time I checked.

Having the gspca driver move into the main tree would help a lot though.

Cheers,

Auke
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