linux-kernel - Re: staging: me4000 and relation to other data acquisition devices

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Message-ID: <20081028163456.GA4278@suse.de>
Date:	Tue, 28 Oct 2008 09:34:56 -0700
From:	Greg KH <gregkh@...e.de>
To:	Shawn Bohrer <shawn.bohrer@...il.com>
Cc:	David Schleef <ds@...leef.org>,
	Frank Mori Hess <fmhess@...rs.sourceforge.net>,
	Ian Abbott <abbotti@....co.uk>, linux-kernel@...r.kernel.org,
	Wolfgang Beiter <w.beiter@....at>,
	Guenter Gebhardt <g.gebhardt@...lhaus.de>
Subject: Re: staging: me4000 and relation to other data acquisition devices

On Tue, Oct 28, 2008 at 10:49:18AM -0500, Shawn Bohrer wrote:
> I have some questions about the user-kernel interface of the me4000
> driver.  From my looking through the code it seems specific to the
> me4000 hardware which does concern me since there are hundreds of
> different data acquisition devices from many different vendors.  In my
> opinion it would beneficial if at the very least all of these devices
> shared a common device interface.

I totally agree.

The me4000's user interface is not "set in stone" and needs to be fixed
up in order to move into the main kernel tree.

> Additionally there is the out of tree Comedi project:
> 
> http://comedi.org
> 
> Which supports this hardware, and many more, with a generic device
> interface.  There may be other reason not to merge Comedi (I know they
> have a desire to maintain support of their RT support), but I can't help
> but feel that merging the me4000 driver without thinking about the
> hundreds of other devices out there is a mistake.

I would love to get comedi into the kernel tree.  People have talked
about it for years now, is it time for me to just take a snapshot and
place it in drivers/staging/ for everyone to then work on cleaning up
properly?

thanks,

greg k-h
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