Hi Sivaprakash, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on robh/for-next] [also build test WARNING on linus/master v5.7-rc7 next-20200528] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Sivaprakash-Murugesan/Add-ipq6018-apcs-mailbox-driver/20200527-204025 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next config: x86_64-randconfig-a004-20200528 (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 2d068e534f1671459e1b135852c1b3c10502e929) 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 # 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/mailbox/qcom-apcs-ipc-mailbox.c:48:34: warning: unused variable 'apcs_clk_match_table' [-Wunused-const-variable] static const struct of_device_id apcs_clk_match_table[] = { ^ 1 warning generated. vim +/apcs_clk_match_table +48 drivers/mailbox/qcom-apcs-ipc-mailbox.c 47 > 48 static const struct of_device_id apcs_clk_match_table[] = { 49 { .compatible = "qcom,ipq6018-apcs-apps-global", .data = "qcom,apss-ipq6018-clk", }, 50 { .compatible = "qcom,msm8916-apcs-kpss-global", .data = "qcom-apcs-msm8916-clk", }, 51 { .compatible = "qcom,qcs404-apcs-apps-global", .data = "qcom-apcs-msm8916-clk", }, 52 {} 53 }; 54 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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