Re: [PATCH] media: fix a typo CONFIG_HAVE_GENERIC_DMA_COHERENT in videobuf2-dma-contig.c

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Hi Marek,

On Tue, Nov 27, 2012 at 12:53 PM, Marek Szyprowski
<m.szyprowski@xxxxxxxxxxx> wrote:
> Hello,
>
>
> On 11/27/2012 6:59 AM, Prabhakar Lad wrote:
>>
>> From: Lad, Prabhakar <prabhakar.lad@xxxxxx>
>>
>> from commit 93049b9368a2e257ace66252ab2cc066f3399cad, which adds
>> a check HAVE_GENERIC_DMA_COHERENT for dma ops, the check was wrongly
>> made it should have been HAVE_GENERIC_DMA_COHERENT but it was
>> CONFIG_HAVE_GENERIC_DMA_COHERENT.
>> This patch fixes the typo, which was causing following build error:
>>
>> videobuf2-dma-contig.c:743: error: 'vb2_dc_get_dmabuf' undeclared here
>> (not in a function)
>> make[3]: *** [drivers/media/v4l2-core/videobuf2-dma-contig.o] Error 1
>>
>> Signed-off-by: Lad, Prabhakar <prabhakar.lad@xxxxxx>
>> Signed-off-by: Manjunath Hadli <manjunath.hadli@xxxxxx>
>
>
> The CONFIG_HAVE_GENERIC_DMA_COHERENT based patch was a quick workaround
> for the build problem in linux-next and should be reverted now. The
> correct patch has been posted for drivers/base/dma-mapping.c to LKML,
> see http://www.spinics.net/lists/linux-next/msg22890.html
>
I was referring to this patch from Mauro,
http://git.linuxtv.org/media_tree.git/commitdiff/93049b9368a2e257ace66252ab2cc066f3399cad
which introduced this build error.

Regards,
--Prabhakar Lad
>
>> ---
>>   drivers/media/v4l2-core/videobuf2-dma-contig.c |    2 +-
>>   1 files changed, 1 insertions(+), 1 deletions(-)
>>
>> diff --git a/drivers/media/v4l2-core/videobuf2-dma-contig.c
>> b/drivers/media/v4l2-core/videobuf2-dma-contig.c
>> index 5729450..dfea692 100644
>> --- a/drivers/media/v4l2-core/videobuf2-dma-contig.c
>> +++ b/drivers/media/v4l2-core/videobuf2-dma-contig.c
>> @@ -739,7 +739,7 @@ static void *vb2_dc_attach_dmabuf(void *alloc_ctx,
>> struct dma_buf *dbuf,
>>   const struct vb2_mem_ops vb2_dma_contig_memops = {
>>         .alloc          = vb2_dc_alloc,
>>         .put            = vb2_dc_put,
>> -#ifdef CONFIG_HAVE_GENERIC_DMA_COHERENT
>> +#ifdef HAVE_GENERIC_DMA_COHERENT
>>         .get_dmabuf     = vb2_dc_get_dmabuf,
>>   #endif
>>         .cookie         = vb2_dc_cookie,
>
>
> Best regards
> --
> Marek Szyprowski
> Samsung Poland R&D Center
>
>
--
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