Re: [PATCH v4 2/3] media: rockchip: Introduce driver for Rockhip's camera interface

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Hi Maxime,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on rockchip/for-next]
[also build test WARNING on robh/for-next v5.10-rc7 next-20201209]
[cannot apply to linuxtv-media/master]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Maxime-Chevallier/media-rockchip-Introduce-driver-for-Rockchip-s-camera-interface/20201209-002715
base:   https://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip.git for-next
config: arc-randconfig-r032-20201209 (attached as .config)
compiler: arceb-elf-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/8c74146ec237f44d2b5f26a38765e1d2948035d3
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Maxime-Chevallier/media-rockchip-Introduce-driver-for-Rockchip-s-camera-interface/20201209-002715
        git checkout 8c74146ec237f44d2b5f26a38765e1d2948035d3
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

   drivers/media/platform/rockchip/vip/capture.c: In function 'rk_vip_queue_setup':
>> drivers/media/platform/rockchip/vip/capture.c:397:31: warning: variable 'vip_fmt' set but not used [-Wunused-but-set-variable]
     397 |  const struct vip_output_fmt *vip_fmt;
         |                               ^~~~~~~

vim +/vip_fmt +397 drivers/media/platform/rockchip/vip/capture.c

   387	
   388	static int rk_vip_queue_setup(struct vb2_queue *queue,
   389				      unsigned int *num_buffers,
   390				      unsigned int *num_planes,
   391				      unsigned int sizes[],
   392				      struct device *alloc_devs[])
   393	{
   394		struct rk_vip_stream *stream = queue->drv_priv;
   395		const struct v4l2_plane_pix_format *plane_fmt;
   396		const struct v4l2_pix_format_mplane *pixm;
 > 397		const struct vip_output_fmt *vip_fmt;
   398	
   399		pixm = &stream->pixm;
   400		vip_fmt = stream->vip_fmt_out;
   401	
   402		if (*num_planes) {
   403			if (*num_planes != 1)
   404				return -EINVAL;
   405	
   406			if (sizes[0] < pixm->plane_fmt[0].sizeimage)
   407				return -EINVAL;
   408			return 0;
   409		}
   410	
   411		*num_planes = 1;
   412	
   413		plane_fmt = &pixm->plane_fmt[0];
   414		sizes[0] = plane_fmt->sizeimage;
   415	
   416		*num_buffers = VIP_REQ_BUFS_MIN;
   417	
   418		return 0;
   419	}
   420	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Attachment: .config.gz
Description: application/gzip


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