Re: [PATCH] arch: m32r: include: asm: add "dma-mapping-common.h"

From: Chen Gang
Date: Thu Jun 27 2013 - 05:41:33 EST


On 06/27/2013 05:27 PM, Chen Gang wrote:
> 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 âvb2_dc_mmapâ:
>>> >> drivers/media/v4l2-core/videobuf2-dma-contig.c:202:2: error: implicit declaration of function âdma_mmap_coherentâ [-Werror=implicit-function-declaration]
>>> >> drivers/media/v4l2-core/videobuf2-dma-contig.c: In function âvb2_dc_get_base_sgtâ:
>>> >> drivers/media/v4l2-core/videobuf2-dma-contig.c:385:2: error: implicit declaration of function âdma_get_sgtableâ [-Werror=implicit-function-declaration]
>>> >>
>>> >>
>>> >> Signed-off-by: Chen Gang <gang.chen@xxxxxxxxxxx>
>> >
>> > m32r does not provide the "common" version of the dma mapping API, so this
>> > is certainly wrong.
>> >

Oh, sorry, the reply below is incorrect, I will check it, again, thanks.

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


--
Chen Gang
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