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| author |   Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-11-26 09:41:09 -0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-11-26 09:41:09 -0200 |
| commit | 93049b9368a2e257ace66252ab2cc066f3399cad (patch) | |
| tree | 9094bff69fc035fa65e3918843a36b98b7759028 /arch/arm/mach-exynos/mach-exynos4-dt.c | |
| parent | [media] v4l: s5p-mfc: support for dmabuf exporting (diff) | |
| download | linux-dev-93049b9368a2e257ace66252ab2cc066f3399cad.tar.xz linux-dev-93049b9368a2e257ace66252ab2cc066f3399cad.zip | |
videobuf2-dma-contig: Only support if HAVE_GENERIC_DMA_COHERENT
As reported by Stephen:
> After merging the v4l-dvb tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
>
> ERROR: "dma_common_get_sgtable" [drivers/media/v4l2-core/videobuf2-dma-contig.ko] undefined!
>
> Caused by commit 9ef2cbeb8192 ("[media] v4l: vb2-dma-contig: add support
> for DMABUF exporting"). dma_common_get_sgtable() is called from the
> inline dma_get_sgtable_attrs() and dma_get_sgtable_attrs() is "called
> from" dma_get_sgtable(). dma_common_get_sgtable() is only defined if
> ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY is set which depends on
> CONFIG_HAVE_GENERIC_DMA_COHERENT being set which it isn't for this build.
The simplest fix is to just not support DMABUF with vb2-contig, on archs
where this symbol doesn't exist. Some latter patch can rewrite it to
support this outside -arm.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'arch/arm/mach-exynos/mach-exynos4-dt.c')
0 files changed, 0 insertions, 0 deletions