linux-kernel - imx-drm/ipuv3-crtc.ko fails to link

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Date:	Mon, 11 Nov 2013 11:22:56 -0500
From:	Josh Boyer <jwboyer@...oraproject.org>
To:	Sascha Hauer <s.hauer@...gutronix.de>,
	Philipp Zabel <p.zabel@...gutronix.de>
Cc:	Dave Airlie <airlied@...il.com>, devel@...verdev.osuosl.org,
	"Linux-Kernel@...r. Kernel. Org" <linux-kernel@...r.kernel.org>,
	Greg KH <gregkh@...uxfoundation.org>
Subject: imx-drm/ipuv3-crtc.ko fails to link

Hi All,

With v3.12-2839-gedae583 (Linus' tree as of this morning), the
ipuv3-crtc.ko module fails to link with the following messages:

ERROR: "ipu_plane_disable" [drivers/staging/imx-drm/ipuv3-crtc.ko] undefined!
ERROR: "ipu_plane_enable" [drivers/staging/imx-drm/ipuv3-crtc.ko] undefined!
ERROR: "ipu_plane_irq" [drivers/staging/imx-drm/ipuv3-crtc.ko] undefined!
ERROR: "ipu_plane_get_resources"
[drivers/staging/imx-drm/ipuv3-crtc.ko] undefined!
ERROR: "ipu_plane_init" [drivers/staging/imx-drm/ipuv3-crtc.ko] undefined!
ERROR: "imx_drm_crtc_id" [drivers/staging/imx-drm/ipuv3-crtc.ko] undefined!
ERROR: "ipu_plane_mode_set" [drivers/staging/imx-drm/ipuv3-crtc.ko] undefined!
ERROR: "ipu_plane_set_base" [drivers/staging/imx-drm/ipuv3-crtc.ko] undefined!
ERROR: "ipu_plane_put_resources"
[drivers/staging/imx-drm/ipuv3-crtc.ko] undefined!
make[1]: *** [__modpost] Error 1
make: *** [modules] Error 2

The relevant .config hunks are configured as such:

CONFIG_DRM_IMX=m
CONFIG_DRM_IMX_FB_HELPER=m
CONFIG_DRM_IMX_PARALLEL_DISPLAY=m
CONFIG_DRM_IMX_TVE=m
# CONFIG_DRM_IMX_LDB is not set
CONFIG_DRM_IMX_IPUV3_CORE=m
CONFIG_DRM_IMX_IPUV3=m

I can send the full .config if people would like to see it.

I'm guessing the ipu_plane_* functions listed here need EXPORT_SYMBOL
statements added to them.  Is this currently queued in anyone's tree?

josh
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