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SubjectRe: [PATCH] arch: m32r: include: asm: add "dma-mapping-common.h"
On 06/27/2013 04:30 PM, Arnd Bergmann wrote:
> On Thursday 27 June 2013 12:50:59 Chen Gang wrote:
>> Need add generic "dma-mapping-common.h", or compiling may fail.
>>
>> The related error (with allmodconfig):
>>
>> CC [M] net/irda/irlan/irlan_eth.o
>> drivers/media/v4l2-core/videobuf2-dma-contig.c: In function ‘vb2_dc_mmap’:
>> drivers/media/v4l2-core/videobuf2-dma-contig.c:202:2: error: implicit declaration of function ‘dma_mmap_coherent’ [-Werror=implicit-function-declaration]
>> drivers/media/v4l2-core/videobuf2-dma-contig.c: In function ‘vb2_dc_get_base_sgt’:
>> drivers/media/v4l2-core/videobuf2-dma-contig.c:385:2: error: implicit declaration of function ‘dma_get_sgtable’ [-Werror=implicit-function-declaration]
>>
>>
>> Signed-off-by: Chen Gang <gang.chen@asianux.com>
>
> m32r does not provide the "common" version of the dma mapping API, so this
> is certainly wrong.
>

But m32r really has pci.h, and also can cause this issue.


Thanks.
--
Chen Gang
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