Hi Lad, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on 2734d6c1b1a089fb593ef6a23d4b70903526fe0c] url: https://github.com/0day-ci/linux/commits/Lad-Prabhakar/pin-and-gpio-contr... base: 2734d6c1b1a089fb593ef6a23d4b70903526fe0c config: nios2-allyesconfig (attached as .config) compiler: nios2-linux-gcc (GCC) 10.3.0 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/8735b74e6bbde5d76a49d014d4d1e1d90... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Lad-Prabhakar/pin-and-gpio-controller-driver-for-Renesas-RZ-G2L/20210722-031725 git checkout 8735b74e6bbde5d76a49d014d4d1e1d901f7f370 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross ARCH=nios2 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 >>): drivers/pinctrl/renesas/pinctrl-rzg2l.c: In function 'rzg2l_pinctrl_set_mux': 185 | unsigned long data; | ^~~~ vim +/data +185 drivers/pinctrl/renesas/pinctrl-rzg2l.c 176 177 static int rzg2l_pinctrl_set_mux(struct pinctrl_dev *pctldev, 178 unsigned int func_selector, 179 unsigned int group_selector) 180 { 181 struct rzg2l_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); 182 struct function_desc *func; 183 unsigned int i, *psel_val; 184 struct group_desc *group; 186 int *pins; 187 188 func = pinmux_generic_get_function(pctldev, func_selector); 189 if (!func) 190 return -EINVAL; 191 group = pinctrl_generic_get_group(pctldev, group_selector); 192 if (!group) 193 return -EINVAL; 194 195 psel_val = func->data; 196 pins = group->pins; 197 data = (unsigned long)group->data; 198 199 for (i = 0; i < group->num_pins; i++) { 200 dev_dbg(pctrl->dev, "port:%u pin: %u PSEL:%u\n", 201 RZG2L_PIN_ID_TO_PORT(pins[i]), RZG2L_PIN_ID_TO_PIN(pins[i]), 202 psel_val[i]); 203 rzg2l_pinctrl_set_pfc_mode(pctrl, RZG2L_PIN_ID_TO_PORT(pins[i]), 204 RZG2L_PIN_ID_TO_PIN(pins[i]), psel_val[i]); 205 } 206 207 return 0; 208 }; 209 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org