linux-kernel - Re: aat2870 causes build failure in current upstream

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Date:	Fri, 5 Aug 2011 15:03:46 +0900
From:	Jinyoung Park <jinyoungp@...dia.com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	"H. Peter Anvin" <hpa@...or.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: aat2870 causes build failure in current upstream

Hi,

I try to check allmodconfig error issue for aat2870 backlight driver.
But I could not observing error message what you attached, building is 
successed.
Please let me know how to reproduce allmodconfig problem for aat2870 
backlight driver.

This is my repro step.
$ git clone 
git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
$ cd linux-next
$ make allmodconfig
$ make

Thanks,
Jin.

2011-08-05 오전 2:17, Ingo Molnar 쓴 글:
>
> * H. Peter Anvin<hpa@...or.com>  wrote:
>
>> Doing an "allmodconfig" on i386:
>>
>> drivers/built-in.o: In function `aat2870_bl_remove':
>> /home/hpa/kernel/git.test/drivers/video/backlight/aat2870_bl.c:217:
>> undefined reference to `backlight_device_unregister'
>> drivers/built-in.o: In function `aat2870_bl_probe':
>> /home/hpa/kernel/git.test/drivers/video/backlight/aat2870_bl.c:159:
>> undefined reference to `backlight_device_register'
>> /home/hpa/kernel/git.test/drivers/video/backlight/aat2870_bl.c:201:
>> undefined reference to `backlight_device_unregister'
>> make[2]: *** [.tmp_vmlinux1] Error 1
>> make[1]: *** [sub-make] Error 2
>> make[1]: Leaving directory `/home/hpa/kernel/git.test'
>
> The allmodconfig build is still broken upstream.
>
> Thanks,
>
> 	Ingo
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