linux-kernel - Re: [BUG] DMA_ERROR_CODE undefined in radeon

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Date:	Tue, 19 Apr 2011 23:07:06 +0300
From:	Stratos Psomadakis <psomas@....ntua.gr>
To:	Bob Tracy <rct@...rkin.frus.com>
CC:	linux-kernel@...r.kernel.org, linux-alpha@...r.kernel.org
Subject: Re: [BUG] DMA_ERROR_CODE undefined in radeon_gart.c

On 19/04/2011 11:04 μμ, Stratos Psomadakis wrote:
> On 19/04/2011 10:42 μμ, Bob Tracy wrote:
>> Attempted to build 2.6.39-rc4 on an Alpha and got the following error:
>>
>>   CC [M]  drivers/gpu/drm/radeon/radeon_gart.o
>> drivers/gpu/drm/radeon/radeon_gart.c: In function 'radeon_gart_bind':
>> drivers/gpu/drm/radeon/radeon_gart.c:186: error: 'DMA_ERROR_CODE' undeclared (first use in this function)
>> drivers/gpu/drm/radeon/radeon_gart.c:186: error: (Each undeclared identifier is reported only once
>> drivers/gpu/drm/radeon/radeon_gart.c:186: error: for each function it appears in.)
>> make[4]: *** [drivers/gpu/drm/radeon/radeon_gart.o] Error 1
>> make[3]: *** [drivers/gpu/drm/radeon] Error 2
>> make[2]: *** [drivers/gpu/drm] Error 2
>> make[1]: *** [drivers/gpu] Error 2
>> make: *** [drivers] Error 2
>>
>> It appears that "DMA_ERROR_CODE" is currently defined for several
>> architectures in "arch/*/include/asm/dma-mapping.h", but not for "alpha"
> Similar issue in this discussion [1].
> They solved it by replacing DMA_ERROR_CODE with dma_mapping_error(). [2]
> Probably this can work here too
[1] http://lkml.org/lkml/2010/3/11/261
[2] http://git.infradead.org/mtd-2.6.git/commitdiff/0c82d3ce

-- 
Stratos Psomadakis
<psomas@....ntua.gr>

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