Hi Wolfram, I love your patch! Perhaps something to improve: [auto build test WARNING on geert-renesas-drivers/renesas-pinctrl] [also build test WARNING on linusw-pinctrl/devel v5.17-rc8 next-20220318] [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/0day-ci/linux/commits/Wolfram-Sang/pinctrl-renesas-r8a77990-add-drive-strength/20220320-055908 base: https://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers.git renesas-pinctrl config: hexagon-randconfig-r041-20220320 (https://download.01.org/0day-ci/archive/20220320/202203200832.RD8XJhU1-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 217f267efe3082438e698e2f08566b9df8c530fa) 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 # https://github.com/0day-ci/linux/commit/844a743267be6ab69209101129c05dcb9dfd7c19 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Wolfram-Sang/pinctrl-renesas-r8a77990-add-drive-strength/20220320-055908 git checkout 844a743267be6ab69209101129c05dcb9dfd7c19 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/pinctrl/renesas/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/pinctrl/renesas/pfc-r8a77990.c:5033:38: warning: unused variable 'pinmux_drive_regs' [-Wunused-const-variable] static const struct pinmux_drive_reg pinmux_drive_regs[] = { ^ 1 warning generated. vim +/pinmux_drive_regs +5033 drivers/pinctrl/renesas/pfc-r8a77990.c 5032 > 5033 static const struct pinmux_drive_reg pinmux_drive_regs[] = { 5034 { PINMUX_DRIVE_REG("DRVCTRL8", 0xe6060320) { 5035 { RCAR_GP_PIN(3, 0), 18, 2 }, /* SD0_CLK */ 5036 { RCAR_GP_PIN(3, 1), 15, 2 }, /* SD0_CMD */ 5037 { RCAR_GP_PIN(3, 2), 12, 2 }, /* SD0_DAT0 */ 5038 { RCAR_GP_PIN(3, 3), 9, 2 }, /* SD0_DAT1 */ 5039 { RCAR_GP_PIN(3, 4), 6, 2 }, /* SD0_DAT2 */ 5040 { RCAR_GP_PIN(3, 5), 3, 2 }, /* SD0_DAT3 */ 5041 { RCAR_GP_PIN(3, 6), 0, 2 }, /* SD1_CLK */ 5042 } }, 5043 { PINMUX_DRIVE_REG("DRVCTRL9", 0xe6060324) { 5044 { RCAR_GP_PIN(3, 7), 29, 2 }, /* SD1_CMD */ 5045 { RCAR_GP_PIN(3, 8), 26, 2 }, /* SD1_DAT0 */ 5046 { RCAR_GP_PIN(3, 9), 23, 2 }, /* SD1_DAT1 */ 5047 { RCAR_GP_PIN(3, 10), 20, 2 }, /* SD1_DAT2 */ 5048 { RCAR_GP_PIN(3, 11), 17, 2 }, /* SD1_DAT3 */ 5049 { RCAR_GP_PIN(4, 0), 14, 2 }, /* SD3_CLK */ 5050 { RCAR_GP_PIN(4, 1), 11, 2 }, /* SD3_CMD */ 5051 { RCAR_GP_PIN(4, 2), 8, 2 }, /* SD3_DAT0 */ 5052 { RCAR_GP_PIN(4, 3), 5, 2 }, /* SD3_DAT1 */ 5053 { RCAR_GP_PIN(4, 4), 2, 2 }, /* SD3_DAT2 */ 5054 } }, 5055 { PINMUX_DRIVE_REG("DRVCTRL10", 0xe6060328) { 5056 { RCAR_GP_PIN(4, 5), 29, 2 }, /* SD3_DAT3 */ 5057 { RCAR_GP_PIN(4, 6), 26, 2 }, /* SD3_DAT4 */ 5058 { RCAR_GP_PIN(4, 7), 23, 2 }, /* SD3_DAT5 */ 5059 { RCAR_GP_PIN(4, 8), 20, 2 }, /* SD3_DAT6 */ 5060 { RCAR_GP_PIN(4, 9), 17, 2 }, /* SD3_DAT7 */ 5061 { RCAR_GP_PIN(4, 10), 14, 2 }, /* SD3_DS */ 5062 } }, 5063 { }, 5064 }; 5065 -- 0-DAY CI Kernel Test Service https://01.org/lkp