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... 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/8c74146ec237f44d2b5f26a38765e1d29... 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(a)intel.com&gt; All warnings (new ones prefixed by >>): drivers/media/platform/rockchip/vip/capture.c: In function 'rk_vip_queue_setup': 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; 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@lists.01.org