[kbuild-all] [linux-next:master 2161/6654] drivers/clk/imx/clk-imx8mp.c:757:34: warning: unused variable 'imx8mp_clk_of_match'

tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 7ce53e3a447bced7b85ed181c4d027e93c062e07 commit: 9a976cd278eafa496ce30196810ef2e879a4a7d5 [2161/6654] clk: imx8m: Support module build config: x86_64-randconfig-a015-20200910 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 0a5dc7effb191eff740e0e7ae7bd8e1f6bdb3ad9) 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 9a976cd278eafa496ce30196810ef2e879a4a7d5 # 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 <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): static const struct of_device_id imx8mp_clk_of_match[] = { ^ 1 warning generated. # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commi... 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 9a976cd278eafa496ce30196810ef2e879a4a7d5 vim +/imx8mp_clk_of_match +757 drivers/clk/imx/clk-imx8mp.c 9c140d9926761b Anson Huang 2020-01-08 756 9c140d9926761b Anson Huang 2020-01-08 @757 static const struct of_device_id imx8mp_clk_of_match[] = { 9c140d9926761b Anson Huang 2020-01-08 758 { .compatible = "fsl,imx8mp-ccm" }, 9c140d9926761b Anson Huang 2020-01-08 759 { /* Sentinel */ } 9c140d9926761b Anson Huang 2020-01-08 760 }; 9c140d9926761b Anson Huang 2020-01-08 761 MODULE_DEVICE_TABLE(of, imx8mp_clk_of_match); 9c140d9926761b Anson Huang 2020-01-08 762 :::::: The code at line 757 was first introduced by commit :::::: 9c140d9926761b0f5d329ff6c09a1540f3d5e1d3 clk: imx: Add support for i.MX8MP clock driver :::::: TO: Anson Huang <Anson.Huang(a)nxp.com&gt; :::::: CC: Shawn Guo <shawnguo(a)kernel.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org