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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Randy Dunlap <rdunlap@xenotime.net>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>,
	linux-next@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>,
	Ian Abbott <abbotti@mev.co.uk>,
	Frank Mori Hess <fmhess@users.sourceforge.net>,
	devel@driverdev.osuosl.org
Subject: Re: [PATCH -next] comedi: fix build when USB is not enabled
Date: Fri, 18 May 2012 17:50:31 -0700	[thread overview]
Message-ID: <20120519005031.GA27613@kroah.com> (raw)
In-Reply-To: <4FB6ED55.6090805@xenotime.net>

On Fri, May 18, 2012 at 05:46:13PM -0700, Randy Dunlap wrote:
> From: Randy Dunlap <rdunlap@xenotime.net>
> 
> Calls to optional subsystems cannot be made indiscriminately.
> Enclose all of the usb helper functions inside
> #if IS_ENABLED(CONFIG_USB)
> to fix these build errors.
> 
> (The pci helper functions are OK since there are stubs in
> linux/pci.h for the called functions when PCI is not enabled.
> Possibly the same could be done for the called USB functions.)
> 
> ERROR: "usb_deregister" [drivers/staging/comedi/comedi.ko] undefined!
> ERROR: "usb_register_driver" [drivers/staging/comedi/comedi.ko] undefined!

I would rather stub these out in usb.h instead, care to make a patch for
that?

thanks,

greg k-h

  reply	other threads:[~2012-05-19  0:50 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-18  8:49 linux-next: Tree for May 18 Stephen Rothwell
2012-05-19  0:46 ` [PATCH -next] comedi: fix build when USB is not enabled Randy Dunlap
2012-05-19  0:50   ` Greg Kroah-Hartman [this message]
2012-05-19  0:51     ` Randy Dunlap
2012-05-19  2:04     ` [PATCH -next] usb: add usb.h stubs for CONFIG_USB " Randy Dunlap
2012-05-19 14:16       ` Sergei Shtylyov
2012-05-19 15:45         ` Randy Dunlap
2012-05-19 16:12           ` Greg Kroah-Hartman
2012-05-19 16:31             ` [PATCH -next v2] " Randy Dunlap
2012-05-21 16:48               ` H Hartley Sweeten
2012-05-19 14:30       ` [PATCH -next] " Alan Stern
2012-05-19 15:48         ` Randy Dunlap
2012-06-11 23:07           ` Greg Kroah-Hartman
2012-06-11 23:35             ` [PATCH] staging/comedi: fix build for USB " Randy Dunlap
2012-05-19  1:02 ` linux-next: Tree for May 18 (drm drivers and vgacon) Randy Dunlap
2012-05-19 15:40   ` Dave Airlie
2012-05-19  2:16 ` linux-next: Tree for May 18 (edac) Randy Dunlap
2012-05-19 12:03   ` Mauro Carvalho Chehab
2012-05-19 15:50     ` Randy Dunlap

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