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Date: Mon, 22 Jun 2009 10:19:48 -0700
From: Greg KH <greg@kroah.com>
To: Uwe =?iso-8859-1?Q?Kleine-K=F6nig?= 
	<u.kleine-koenig@pengutronix.de>
Cc: linux-kernel@vger.kernel.org, linux-rt@pengutronix.de,
       Thomas Gleixner <tglx@linutronix.de>, Ian Abbott <abbotti@mev.co.uk>,
       Frank Mori Hess <fmhess@users.sourceforge.net>
Subject: Re: [PATCH -rt] disable building all staging drivers
Message-ID: <20090622171948.GA15145@kroah.com>
References: <1244929118-23326-1-git-send-email-u.kleine-koenig@pengutronix.de> <20090614112802.GA4502@kroah.com> <20090614230044.GA21624@pengutronix.de> <20090622151515.GA16627@pengutronix.de>
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On Mon, Jun 22, 2009 at 05:15:15PM +0200, Uwe Kleine-König wrote:
> Hi Greg,
> 
> On Mon, Jun 15, 2009 at 01:00:44AM +0200, Uwe Kleine-König wrote:
> > On Sun, Jun 14, 2009 at 04:28:02AM -0700, Greg KH wrote:
> > > On Sat, Jun 13, 2009 at 11:38:38PM +0200, Uwe Kleine-König wrote:
> > > > I know that at least COMEDI and RT2870 are broken with -rt,
> > > 
> > > I didn't know this, has anyone sent me a bug report?  What in -rt causes
> > > these drivers to break?
> > > 
> > > > but Thomas requested disabling all of staging.  He's the maintainer.
> > > 
> > > This seems like a patch to ensure that the staging drivers never get a
> > > chance to be fixed for any potential -rt issues.  How about just sending
> > > me bug reports instead?
> > I cannot reproduce the failure I saw for RT2870 at the moment.
> OK, hit again:
> 
> 17:02:43 E: ERROR: "there_is_no_init_MUTEX_LOCKED_for_RT_semaphores" [drivers/staging/rt2870/rt2870sta.ko] undefined!

What needs to be done in the rt2870 driver to resolve this issue?

thanks,

greg k-h