Hi Ezequiel,

I love your patch! Perhaps something to improve:

[auto build test WARNING on linuxtv-media/master]
[also build test WARNING on next-20190621]
[cannot apply to v5.2-rc5]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:    
https://github.com/0day-ci/linux/commits/Ezequiel-Garcia/media-hantro-Use-vb2_get_buffer/20190622-022557
base:   git://linuxtv.org/media_tree.git master
config: nds32-allmodconfig (attached as .config)
compiler: nds32le-linux-gcc (GCC) 8.1.0
reproduce:
        wget 
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O 
~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=8.1.0 make.cross ARCH=nds32 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <l...@intel.com>

All warnings (new ones prefixed by >>):

   drivers/staging/media/hantro/hantro_drv.c: In function 'hantro_get_ref':
   drivers/staging/media/hantro/hantro_drv.c:54:8: error: implicit declaration 
of function 'vb2_get_buffer'; did you mean 'vb2_expbuf'? 
[-Werror=implicit-function-declaration]
     buf = vb2_get_buffer(q, index);
           ^~~~~~~~~~~~~~
           vb2_expbuf
>> drivers/staging/media/hantro/hantro_drv.c:54:6: warning: assignment to 
>> 'struct vb2_buffer *' from 'int' makes pointer from integer without a cast 
>> [-Wint-conversion]
     buf = vb2_get_buffer(q, index);
         ^
   cc1: some warnings being treated as errors

vim +54 drivers/staging/media/hantro/hantro_drv.c

    45  
    46  dma_addr_t hantro_get_ref(struct vb2_queue *q, u64 ts)
    47  {
    48          struct vb2_buffer *buf;
    49          int index;
    50  
    51          index = vb2_find_timestamp(q, ts, 0);
    52          if (index < 0)
    53                  return 0;
  > 54          buf = vb2_get_buffer(q, index);
    55          return vb2_dma_contig_plane_dma_addr(buf, 0);
    56  }
    57  

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

Attachment: .config.gz
Description: application/gzip

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