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Subject: [media] mtk-vcodec: add HAS_DMA dependency
Author:  Hans Verkuil <hverk...@xs4all.nl>
Date:    Sun Aug 14 06:45:54 2016 -0300

This fixes this kbuild test robot error:

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
master
head:   329f4152911c276b074bec75a0443f88821afdb7
commit: c1023ba74fc77dc56dc317bd98f5060aab889ac1 [media] 
drivers/media/platform/Kconfig: fix VIDEO_MEDIATEK_VCODEC dependency
config: m32r-allyesconfig (attached as .config)
compiler: m32r-linux-gcc (GCC) 4.9.0
reproduce:
        wget 
https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross
 -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout c1023ba74fc77dc56dc317bd98f5060aab889ac1
        # save the attached .config to linux build tree
        make.cross ARCH=m32r

All errors (new ones prefixed by >>):

   drivers/media/v4l2-core/videobuf2-dma-contig.c: In function 
'vb2_dc_get_userptr':
>> >> drivers/media/v4l2-core/videobuf2-dma-contig.c:486:2: error: implicit 
>> >> declaration of function 'dma_get_cache_alignment' 
>> >> [-Werror=implicit-function-declaration]
     unsigned long dma_align = dma_get_cache_alignment();
     ^
   cc1: some warnings being treated as errors

This driver depends on HAS_DMA for dma_get_cache_alignment().

Signed-off-by: Hans Verkuil <hans.verk...@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mche...@s-opensource.com>

 drivers/media/platform/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

---

diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig
index f25344bc7912..552b635cfce7 100644
--- a/drivers/media/platform/Kconfig
+++ b/drivers/media/platform/Kconfig
@@ -169,7 +169,7 @@ config VIDEO_MEDIATEK_VPU
 config VIDEO_MEDIATEK_VCODEC
        tristate "Mediatek Video Codec driver"
        depends on MTK_IOMMU || COMPILE_TEST
-       depends on VIDEO_DEV && VIDEO_V4L2
+       depends on VIDEO_DEV && VIDEO_V4L2 && HAS_DMA
        depends on ARCH_MEDIATEK || COMPILE_TEST
        select VIDEOBUF2_DMA_CONTIG
        select V4L2_MEM2MEM_DEV

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