linux-kernel - Re: [PATCH] ARM: OMAP: OMAP_DEBUG_LEDS needs to select LEDS

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Date:	Tue, 18 Sep 2012 14:49:50 +0800
From:	Axel Lin <axel.lin@...il.com>
To:	Bryan Wu <bryan.wu@...onical.com>
Cc:	Tony Lindgren <tony@...mide.com>, linux-omap@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ARM: OMAP: OMAP_DEBUG_LEDS needs to select LEDS_CLASS

2012/9/18 Bryan Wu <bryan.wu@...onical.com>:
> On Tue, Sep 18, 2012 at 11:30 AM, Axel Lin <axel.lin@...il.com> wrote:
>> This fixes below build error when CONFIG_LEDS_CLASS is not set.
>>
>>   LD      init/built-in.o
>> arch/arm/plat-omap/built-in.o: In function `fpga_probe':
>> arch/arm/plat-omap/debug-leds.c:113: undefined reference to `led_classdev_register'
>> make: *** [vmlinux] Error 1
>>
>
> Thanks for posting this. But I think Tony has already fixed it in mainline:
> --
> commit 359f64f7b3997e94ee71039b5fcdc1278b9b77c4
> Author: Tony Lindgren <tony@...mide.com>
> Date:   Wed Sep 15 10:18:51 2010 -0700
>
>     omap: Fix compile dependency to LEDS_CLASS
>
>     If we LEDS_CLASS is not selected, we will get undefined reference
>     to `led_classdev_register'.
>
>     Signed-off-by: Tony Lindgren <tony@...mide.com>

Commit 359f64f7b was commited on Sep 15 2010.
This patch is against current linux-next tree.
I got the build error on linux-next tree (next-20120917).

Regards,
Axel
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