Hi Sricharan, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on clk/clk-next] [also build test WARNING on robh/for-next linusw-pinctrl/devel linus/master v5.19-rc4 next-20220627] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/intel-lab-lkp/linux/commits/Sricharan-R/Add-minimal-boot-support-for-IPQ5018/20220622-001751 base: https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git clk-next config: arm64-allyesconfig (https://download.01.org/0day-ci/archive/20220628/202206281113.juwklxoO-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 016342e319fd31e41cf5ed16a6140a8ea2de74dd) 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 arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://github.com/intel-lab-lkp/linux/commit/5986a00923b330deb4c2c70e0d531507a19fb840 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Sricharan-R/Add-minimal-boot-support-for-IPQ5018/20220622-001751 git checkout 5986a00923b330deb4c2c70e0d531507a19fb840 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash arch/arm64/kernel/ drivers/clk/qcom/ drivers/pinctrl/qcom/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/pinctrl/qcom/pinctrl-ipq5018.c:252:27: warning: unused variable '_groups' [-Wunused-const-variable] static const char * const _groups[] = { ^ 1 warning generated. vim +/_groups +252 drivers/pinctrl/qcom/pinctrl-ipq5018.c 251 > 252 static const char * const _groups[] = { 253 "gpio0", "gpio1", "gpio2", "gpio3", "gpio4", "gpio5", "gpio6", "gpio7", 254 "gpio8", "gpio9", "gpio10", "gpio11", "gpio12", "gpio13", "gpio14", 255 "gpio15", "gpio16", "gpio17", "gpio18", "gpio19", "gpio20", "gpio21", 256 "gpio22", "gpio23", "gpio24", "gpio25", "gpio26", "gpio27", "gpio28", 257 "gpio29", "gpio30", "gpio31", "gpio32", "gpio33", "gpio34", "gpio35", 258 "gpio36", "gpio37", "gpio38", "gpio39", "gpio40", "gpio41", "gpio42", 259 "gpio43", "gpio44", "gpio45", "gpio46", 260 }; 261 -- 0-DAY CI Kernel Test Service https://01.org/lkp