Hi Mauro, I love your patch! Perhaps something to improve: [auto build test WARNING on next-20220310] [cannot apply to media-tree/master sunxi/sunxi/for-next shawnguo/for-next rockchip/for-next linus/master v5.17-rc8 v5.17-rc7 v5.17-rc6 v5.17-rc8] [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/Mauro-Carvalho-Chehab/media-Kconfig-Makefile-reorg/20220314-155919 base: 71941773e143369a73c9c4a3b62fbb60736a1182 config: mips-randconfig-r026-20220313 (https://download.01.org/0day-ci/archive/20220314/202203142353.sWQlIAes-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 3e4950d7fa78ac83f33bbf1658e2f49a73719236) 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 # install mips cross compiling tool for clang build # apt-get install binutils-mips-linux-gnu # https://github.com/0day-ci/linux/commit/fa6ebae6655d5f8551a875661f9acc3dc88a6b02 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Mauro-Carvalho-Chehab/media-Kconfig-Makefile-reorg/20220314-155919 git checkout fa6ebae6655d5f8551a875661f9acc3dc88a6b02 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/media/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): In file included from drivers/media/platform/samsung/exynos4-is/fimc-isp.c:25: >> drivers/media/platform/samsung/exynos4-is/fimc-isp-video.h:35:6: warning: no previous prototype for function 'fimc_isp_video_device_unregister' [-Wmissing-prototypes] void fimc_isp_video_device_unregister(struct fimc_isp *isp, ^ drivers/media/platform/samsung/exynos4-is/fimc-isp-video.h:35:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void fimc_isp_video_device_unregister(struct fimc_isp *isp, ^ static 1 warning generated. vim +/fimc_isp_video_device_unregister +35 drivers/media/platform/samsung/exynos4-is/fimc-isp-video.h 34947b8aebe3f2 drivers/media/platform/exynos4-is/fimc-isp-video.h Sylwester Nawrocki 2013-12-20 34 34947b8aebe3f2 drivers/media/platform/exynos4-is/fimc-isp-video.h Sylwester Nawrocki 2013-12-20 @35 void fimc_isp_video_device_unregister(struct fimc_isp *isp, 34947b8aebe3f2 drivers/media/platform/exynos4-is/fimc-isp-video.h Sylwester Nawrocki 2013-12-20 36 enum v4l2_buf_type type) 34947b8aebe3f2 drivers/media/platform/exynos4-is/fimc-isp-video.h Sylwester Nawrocki 2013-12-20 37 { 34947b8aebe3f2 drivers/media/platform/exynos4-is/fimc-isp-video.h Sylwester Nawrocki 2013-12-20 38 } 34947b8aebe3f2 drivers/media/platform/exynos4-is/fimc-isp-video.h Sylwester Nawrocki 2013-12-20 39 #endif /* !CONFIG_VIDEO_EXYNOS4_ISP_DMA_CAPTURE */ 34947b8aebe3f2 drivers/media/platform/exynos4-is/fimc-isp-video.h Sylwester Nawrocki 2013-12-20 40 --- 0-DAY CI Kernel Test Service https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
