Hi Krzysztof, First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 7b56fbd83e261484da43f04090bce07570bd117f commit: 54d8454436a205682bd89d66d8d9eedbc8452d15 mmc: host: Enable compile testing of multiple drivers date: 8 weeks ago config: x86_64-randconfig-a005-20201102 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 235dfcf70abca65dba5d80f1a42d1485bab8980c) 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 # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=54d8454436a205682bd89d66d8d9eedbc8452d15 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 54d8454436a205682bd89d66d8d9eedbc8452d15 # 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: kernel test robot <[email protected]> All warnings (new ones prefixed by >>): >> drivers/mmc/host/meson-gx-mmc.c:1252:34: warning: unused variable >> 'meson_mmc_of_match' [-Wunused-const-variable] static const struct of_device_id meson_mmc_of_match[] = { ^ 1 warning generated. vim +/meson_mmc_of_match +1252 drivers/mmc/host/meson-gx-mmc.c df06981514d43f Nan Li 2018-04-03 1251 51c5d8447bd71b Kevin Hilman 2016-10-19 @1252 static const struct of_device_id meson_mmc_of_match[] = { df06981514d43f Nan Li 2018-04-03 1253 { .compatible = "amlogic,meson-gx-mmc", .data = &meson_gx_data }, df06981514d43f Nan Li 2018-04-03 1254 { .compatible = "amlogic,meson-gxbb-mmc", .data = &meson_gx_data }, df06981514d43f Nan Li 2018-04-03 1255 { .compatible = "amlogic,meson-gxl-mmc", .data = &meson_gx_data }, df06981514d43f Nan Li 2018-04-03 1256 { .compatible = "amlogic,meson-gxm-mmc", .data = &meson_gx_data }, df06981514d43f Nan Li 2018-04-03 1257 { .compatible = "amlogic,meson-axg-mmc", .data = &meson_axg_data }, 51c5d8447bd71b Kevin Hilman 2016-10-19 1258 {} 51c5d8447bd71b Kevin Hilman 2016-10-19 1259 }; 51c5d8447bd71b Kevin Hilman 2016-10-19 1260 MODULE_DEVICE_TABLE(of, meson_mmc_of_match); 51c5d8447bd71b Kevin Hilman 2016-10-19 1261 :::::: The code at line 1252 was first introduced by commit :::::: 51c5d8447bd71b7e539c19c46a03b73c0e91fa66 MMC: meson: initial support for GX platforms :::::: TO: Kevin Hilman <[email protected]> :::::: CC: Ulf Hansson <[email protected]> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
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