linux-kernel - Re: USB mini-summit at LinuxCon Vancouver

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Message-ID: <Pine.LNX.4.44L0.1108121135390.11936-100000@netrider.rowland.org>
Date:	Fri, 12 Aug 2011 11:36:55 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Hans de Goede <hdegoede@...hat.com>
cc:	Theodore Kilgore <kilgota@...ach.math.auburn.edu>,
	Sarah Sharp <sarah.a.sharp@...ux.intel.com>,
	Greg KH <greg@...ah.com>,
	Mauro Carvalho Chehab <mchehab@...radead.org>,
	<linux-usb@...r.kernel.org>, <linux-media@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>,
	<libusb-devel@...ts.sourceforge.net>,
	Alexander Graf <agraf@...e.de>,
	Gerd Hoffmann <kraxel@...hat.com>, <hector@...cansoft.com>,
	Jan Kiszka <jan.kiszka@...mens.com>,
	Stefan Hajnoczi <stefanha@...ux.vnet.ibm.com>,
	<pbonzini@...hat.com>, Anthony Liguori <aliguori@...ibm.com>,
	Jes Sorensen <Jes.Sorensen@...hat.com>,
	Oliver Neukum <oliver@...kum.org>, Felipe Balbi <balbi@...com>,
	Clemens Ladisch <clemens@...isch.de>,
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.de>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Adam Baker <linux@...er-net.org.uk>
Subject: Re: USB mini-summit at LinuxCon Vancouver

On Fri, 12 Aug 2011, Hans de Goede wrote:

> > I'm not claiming that this is a better solution than putting everything
> > in the kernel.  Just that it is a workable alternative which would
> > involve a lot less coding.
> 
> This is definitely an interesting proposal, something to think about ...
> 
> I have 2 concerns wrt this approach:
> 
> 1) It feels less clean then just having a single driver; and

Agreed.

> 2) I agree it will be less coding, but I doubt it will really be that much
> less work. It will likely need less new code (but a lot can be more or
> less copy pasted), but it will need changes across a wider array of
> subsystems / userspace components, requiring a lot of coordinating,
> getting patches merged in different projects, etc. So in the end I
> think it too will be quite a bit of work.
> 
> I guess that what I'm trying to say here is, that if we are going to
> spend a significant amount of time on this, we might just as well
> go for the best solution we can come up with even if that is some
> more work.

Okay, go ahead.  I have no objection.

Alan Stern

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