linux-kernel - Re: linux-next: mfd tree build failure

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Message-ID: <20100111105126.GD3440@sirena.org.uk>
Date:	Mon, 11 Jan 2010 10:51:26 +0000
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	Samuel Ortiz <sameo@...ux.intel.com>, linux-next@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Haojian Zhuang <haojian.zhuang@...il.com>
Subject: Re: linux-next: mfd tree build failure

On Mon, Jan 11, 2010 at 04:02:32PM +1100, Stephen Rothwell wrote:
> Hi Sam,

> Today's linux-next build (x86_64_allmodconfig, gcc 4.4.0, binutils
> 2.19.1) failed like this:

> ERROR: "max8925_set_bits" [drivers/video/backlight/max8925_bl.ko] undefined!
> ERROR: "max8925_reg_write" [drivers/video/backlight/max8925_bl.ko] undefined!
> ERROR: "max8925_reg_read" [drivers/video/backlight/max8925_bl.ko] undefined!
> ERROR: "max8925_set_bits" [drivers/regulator/max8925.ko] undefined!
> ERROR: "max8925_reg_read" [drivers/regulator/max8925.ko] undefined!

> I am not sure what caused this, so I have used the version of the mfd
> tree from next-20100108 for today.

CCing in Haojian who did the driver.  I've not looked but I'd guess that
the issue is missing EXPORT_SYMBOL{,_GPL}s on the symbols above.
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