tree: git://linuxtv.org/mchehab/media-next.git master head: e2afb5f02e3a2a34982bbed4e712f7227cecf9c4 commit: e2afb5f02e3a2a34982bbed4e712f7227cecf9c4 [556/556] media: atomisp: re-enable warnings again config: x86_64-allyesconfig (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 2388a096e7865c043e83ece4e26654bd3d1a20d5) 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 x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu git checkout e2afb5f02e3a2a34982bbed4e712f7227cecf9c4 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>, old ones prefixed by <<): >> drivers/staging/media/atomisp/pci/atomisp_v4l2.c:395:40: warning: unused variable 'dfs_config_byt_cr' [-Wunused-const-variable] static const struct atomisp_dfs_config dfs_config_byt_cr = { ^ 1 warning generated. -- >> drivers/staging/media/atomisp/pci/sh_css.c:1864:6: warning: no previous prototype for function 'sh_css_free' [-Wmissing-prototypes] void sh_css_free(void *ptr) ^ drivers/staging/media/atomisp/pci/sh_css.c:1864:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void sh_css_free(void *ptr) ^ static 1 warning generated. vim +/dfs_config_byt_cr +395 drivers/staging/media/atomisp/pci/atomisp_v4l2.c 5e0947450d16de drivers/staging/media/atomisp/pci/atomisp2/atomisp_v4l2.c Mauro Carvalho Chehab 2020-04-23 394 5e0947450d16de drivers/staging/media/atomisp/pci/atomisp2/atomisp_v4l2.c Mauro Carvalho Chehab 2020-04-23 @395 static const struct atomisp_dfs_config dfs_config_byt_cr = { 5e0947450d16de drivers/staging/media/atomisp/pci/atomisp2/atomisp_v4l2.c Mauro Carvalho Chehab 2020-04-23 396 .lowest_freq = ISP_FREQ_200MHZ, 5e0947450d16de drivers/staging/media/atomisp/pci/atomisp2/atomisp_v4l2.c Mauro Carvalho Chehab 2020-04-23 397 .max_freq_at_vmin = ISP_FREQ_320MHZ, 5e0947450d16de drivers/staging/media/atomisp/pci/atomisp2/atomisp_v4l2.c Mauro Carvalho Chehab 2020-04-23 398 .highest_freq = ISP_FREQ_320MHZ, 5e0947450d16de drivers/staging/media/atomisp/pci/atomisp2/atomisp_v4l2.c Mauro Carvalho Chehab 2020-04-23 399 .dfs_table = dfs_rules_byt_cr, 5e0947450d16de drivers/staging/media/atomisp/pci/atomisp2/atomisp_v4l2.c Mauro Carvalho Chehab 2020-04-23 400 .dfs_table_size = ARRAY_SIZE(dfs_rules_byt_cr), 5e0947450d16de drivers/staging/media/atomisp/pci/atomisp2/atomisp_v4l2.c Mauro Carvalho Chehab 2020-04-23 401 }; 5e0947450d16de drivers/staging/media/atomisp/pci/atomisp2/atomisp_v4l2.c Mauro Carvalho Chehab 2020-04-23 402 :::::: The code at line 395 was first introduced by commit :::::: 5e0947450d16de5fd59fa43d04a53c5df037d54b media: atomisp: remove table duplication from dfs tables :::::: TO: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx> :::::: CC: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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