tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: a32cd981a6da2373c093d471ee4405a915e217d5 commit: e94d7863a951d040f0e200b96ae3bcc0b9ab0028 [12079/12845] media: platform: rename exynos4-is/ to samsung/exynos4-is/ config: powerpc64-randconfig-r035-20220314 (https://download.01.org/0day-ci/archive/20220316/202203160306.SfWO9QWV-lkp@xxxxxxxxx/config) compiler: powerpc64-linux-gcc (GCC) 11.2.0 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://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=e94d7863a951d040f0e200b96ae3bcc0b9ab0028 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout e94d7863a951d040f0e200b96ae3bcc0b9ab0028 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=powerpc 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 'fimc_isp_video_device_unregister' [-Wmissing-prototypes] 35 | void fimc_isp_video_device_unregister(struct fimc_isp *isp, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/fimc_isp_video_device_unregister +35 drivers/media/platform/samsung/exynos4-is/fimc-isp-video.h 34947b8aebe3f2d drivers/media/platform/exynos4-is/fimc-isp-video.h Sylwester Nawrocki 2013-12-20 34 34947b8aebe3f2d 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, 34947b8aebe3f2d drivers/media/platform/exynos4-is/fimc-isp-video.h Sylwester Nawrocki 2013-12-20 36 enum v4l2_buf_type type) 34947b8aebe3f2d drivers/media/platform/exynos4-is/fimc-isp-video.h Sylwester Nawrocki 2013-12-20 37 { 34947b8aebe3f2d drivers/media/platform/exynos4-is/fimc-isp-video.h Sylwester Nawrocki 2013-12-20 38 } 34947b8aebe3f2d drivers/media/platform/exynos4-is/fimc-isp-video.h Sylwester Nawrocki 2013-12-20 39 #endif /* !CONFIG_VIDEO_EXYNOS4_ISP_DMA_CAPTURE */ 34947b8aebe3f2d drivers/media/platform/exynos4-is/fimc-isp-video.h Sylwester Nawrocki 2013-12-20 40 :::::: The code at line 35 was first introduced by commit :::::: 34947b8aebe3f2d4eceb65fceafa92bf8dc97d96 [media] exynos4-is: Add the FIMC-IS ISP capture DMA driver :::::: TO: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx> :::::: CC: Mauro Carvalho Chehab <m.chehab@xxxxxxxxxxx> --- 0-DAY CI Kernel Test Service https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
