linux-kernel - Re: [PATCH] staging: imx-drm: Fix modular build of DRM_IMX

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Date:	Tue, 19 Nov 2013 21:39:19 -0800
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Josh Boyer <jwboyer@...hat.com>
Cc:	Sascha Hauer <s.hauer@...gutronix.de>, devel@...verdev.osuosl.org,
	Dave Airlie <airlied@...il.com>, linux-kernel@...r.kernel.org,
	Philipp Zabel <p.zabel@...gutronix.de>
Subject: Re: [PATCH] staging: imx-drm: Fix modular build of DRM_IMX_IPUV3

On Tue, Nov 19, 2013 at 08:56:59PM -0500, Josh Boyer wrote:
> On Mon, Nov 18, 2013 at 10:03:10AM +0100, Sascha Hauer wrote:
> > On Tue, Nov 12, 2013 at 12:15:45PM -0500, Josh Boyer wrote:
> > > commit b8d181e408af (staging: drm/imx: add drm plane support) added a file
> > > to the make target for DRM_IMX_IPUV3 but didn't adjust the objs required
> > > to actually build that as a module.  Kbuild got confused and this lead to
> > > link errors like:
> > > 
> > > ERROR: "ipu_plane_disable" [drivers/staging/imx-drm/ipuv3-crtc.ko] undefined!
> > > ERROR: "ipu_plane_enable" [drivers/staging/imx-drm/ipuv3-crtc.ko] undefined!
> > > 
> > > Additionally, it added a call to imx_drm_crtc_id which also fails with a
> > > link error as above.  To fix this, we adjust the make target with the proper
> > > objs, which will change the name of the resulting .ko.  We also add an
> > > EXPORT_SYMBOL_GPL for imx_drm_crtc_id.
> > > 
> > > Signed-off-by: Josh Boyer <jwboyer@...oraproject.org>
> > 
> > 
> > Acked-by: Sascha Hauer <s.hauer@...gutronix.de>
> > 
> > Sascha
> 
> Thanks.  So who picks this fix up?  Greg, is that you?

Yes, I will once 3.13-rc1 is out.

greg k-h
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