linux-kernel - Re: [PATCH -rt] disable building all staging drivers

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Date:	Sun, 14 Jun 2009 16:04:00 -0700
From:	Greg KH <greg@...ah.com>
To:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
Cc:	linux-kernel@...r.kernel.org, linux-rt@...gutronix.de,
	Thomas Gleixner <tglx@...utronix.de>,
	Ian Abbott <abbotti@....co.uk>,
	Frank Mori Hess <fmhess@...rs.sourceforge.net>
Subject: Re: [PATCH -rt] disable building all staging drivers

On Mon, Jun 15, 2009 at 01:00:44AM +0200, Uwe Kleine-König wrote:
> Hi Greg,
> 
> 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?
> COMEDI has:
> 
>   CC [M]  drivers/staging/comedi/comedi_fops.o
> In file included from drivers/staging/comedi/comedidev.h:40,
>                  from drivers/staging/comedi/comedi_fops.c:45:
> drivers/staging/comedi/interrupt.h:27: error: conflicting types for ‘irqreturn_t’
> include/linux/irqreturn.h:14: error: previous declaration of ‘irqreturn_t’ was here
> In file included from drivers/staging/comedi/comedidev.h:40,
>                  from drivers/staging/comedi/comedi_fops.c:45:
> drivers/staging/comedi/interrupt.h:30:1: warning: "IRQ_RETVAL" redefined
> In file included from include/linux/interrupt.h:10,
>                  from drivers/staging/comedi/interrupt.h:22,
>                  from drivers/staging/comedi/comedidev.h:40,
>                  from drivers/staging/comedi/comedi_fops.c:45:
> include/linux/irqreturn.h:15:1: warning: this is the location of the previous definition
> make[3]: *** [drivers/staging/comedi/comedi_fops.o] Error 1
> make[2]: *** [drivers/staging/comedi] Error 2
> make[1]: *** [drivers/staging] Error 2
> make: *** [drivers] Error 2

This should be resolved with the linux-next tree, right?  There are a
few hundred staging patches in there that fix a lot of issues.  They
will all go to Linus in a day or so.

thanks,

greg k-h
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