linux-kernel - Re: linux-next: build failure after merge of the drm-misc tree

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Message-ID: <20160210063119.GC11240@phenom.ffwll.local>
Date:	Wed, 10 Feb 2016 07:31:19 +0100
From:	Daniel Vetter <daniel@...ll.ch>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	Daniel Vetter <daniel.vetter@...ll.ch>,
	intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Lukas Wunner <lukas@...ner.de>,
	Darren Hart <dvhart@...ux.intel.com>
Subject: Re: linux-next: build failure after merge of the drm-misc tree

On Wed, Feb 10, 2016 at 12:24:51PM +1100, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the drm-misc tree, today's linux-next build (arm
> multi_v7_defconfig) failed like this:
> 
> In file included from drivers/gpu/drm/nouveau/nouveau_drm.c:25:0:
> include/linux/apple-gmux.h: In function 'apple_gmux_present':
> include/linux/apple-gmux.h:36:42: error: implicit declaration of function 'acpi_dev_present' [-Werror=implicit-function-declaration]
>   return IS_ENABLED(CONFIG_APPLE_GMUX) && acpi_dev_present(GMUX_ACPI_HID);
>                                           ^
> 
> Caused by commit
> 
>   2413306c2566 ("apple-gmux: Add helper for presence detect")
> 
> I have used the drm-misc tree from next-20160209 for today.

Can you pls attach your .config? The function is there, I suspect we're
just missing some depends in Kconfig.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch