linux-kernel - Re: [linux-usb-devel] [GIT PATCH] USB fixes for 2.6.20-rc5

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Message-ID: <20070123105848.6649ea69@gondolin.boeblingen.de.ibm.com>
Date:	Tue, 23 Jan 2007 10:58:48 +0100
From:	Cornelia Huck <cornelia.huck@...ibm.com>
To:	Marcel Holtmann <marcel@...tmann.org>
Cc:	Greg KH <gregkh@...e.de>, Linus Torvalds <torvalds@...l.org>,
	Andrew Morton <akpm@...l.org>, linux-kernel@...r.kernel.org,
	linux-usb-devel@...ts.sourceforge.net
Subject: Re: [linux-usb-devel] [GIT PATCH] USB fixes for 2.6.20-rc5

On Mon, 22 Jan 2007 21:28:24 +0100,
Marcel Holtmann <marcel@...tmann.org> wrote:

> > I don't feel comfortable adding them to the 2.6.20 kernel at this late
> > period, for a variety of reasons.  I really want them to be tested out
> > in the -mm tree and then in the full -rc series due to the fact that
> > they are non-trivial, and touch the driver core code that everyone uses,
> > not just that function.

I agree that the patch allowing device_move(dev, NULL) is non-trivial,
but the one removing the useless device_is_registered() check should be
straightforward enough.

> 
> fair enough.
> 
> > Also, it's a new feature (reparent back to the original parent), not
> > necessarily a bugfix.
> >
> > And yes, I realize that the functions don't work fully right now, but as
> > long as you don't want to re-parent the devices, they should work,
> > right?
> 
> Actually even that was broken for me.

If removing the device_is_registered() check helps you, I'd lobby for
the inclusion of that part (and leave device_move(dev, NULL) for
post-2.6.20). (It should help for devices with no bus; for my use case,
everything worked fine.)

-- 
Cornelia Huck
Linux for zSeries Developer
Tel.: +49-7031-16-4837, Mail: cornelia.huck@...ibm.com
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