tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 455e73a07f6e288b0061dfcf4fcf54fa9fe06458 commit: bfff546aae50ae68ed395bf0e0848188d27b0ba3 regulator: Add MAX20086-MAX20089 driver date: 6 days ago config: m68k-randconfig-r024-20220113 (https://download.01.org/0day-ci/archive/20220113/202201131324.vmxL1PCz-lk...) compiler: m68k-linux-gcc (GCC) 11.2.0 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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout bfff546aae50ae68ed395bf0e0848188d27b0ba3 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=m68k SHELL=/bin/bash drivers/regulator/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): drivers/regulator/max20086-regulator.c: In function 'max20086_i2c_probe': 217 | enum gpiod_flags flags; | ^~~~~ 261 | flags = boot_on ? GPIOD_OUT_HIGH : GPIOD_OUT_LOW; | ^~~~~~~~~~~~~~ | GPIOF_INIT_HIGH drivers/regulator/max20086-regulator.c:261:27: note: each undeclared identifier is reported only once for each function it appears in 261 | flags = boot_on ? GPIOD_OUT_HIGH : GPIOD_OUT_LOW; | ^~~~~~~~~~~~~ | GPIOF_INIT_LOW 262 | chip->ena_gpiod = devm_gpiod_get(chip->dev, "enable", flags); | ^~~~~~~~~~~~~~ | devm_gpio_free drivers/regulator/max20086-regulator.c:217:26: warning: unused variable 'flags' [-Wunused-variable] 217 | enum gpiod_flags flags; | ^~~~~ cc1: some warnings being treated as errors vim +217 drivers/regulator/max20086-regulator.c 213 214 static int max20086_i2c_probe(struct i2c_client *i2c) 215 { 216 struct max20086 *chip; 218 bool boot_on; 219 int ret; 220 221 chip = devm_kzalloc(&i2c->dev, sizeof(*chip), GFP_KERNEL); 222 if (!chip) 223 return -ENOMEM; 224 225 chip->dev = &i2c->dev; 226 chip->info = device_get_match_data(chip->dev); 227 228 i2c_set_clientdata(i2c, chip); 229 230 chip->regmap = devm_regmap_init_i2c(i2c, &max20086_regmap_config); 231 if (IS_ERR(chip->regmap)) { 232 ret = PTR_ERR(chip->regmap); 233 dev_err(chip->dev, "Failed to allocate register map: %d\n", ret); 234 return ret; 235 } 236 237 ret = max20086_parse_regulators_dt(chip, &boot_on); 238 if (ret < 0) 239 return ret; 240 241 ret = max20086_detect(chip); 242 if (ret < 0) 243 return ret; 244 245 /* Until IRQ support is added, just disable all interrupts. */ 246 ret = regmap_update_bits(chip->regmap, MAX20086_REG_MASK, 247 MAX20086_INT_DISABLE_ALL, 248 MAX20086_INT_DISABLE_ALL); 249 if (ret < 0) { 250 dev_err(chip->dev, "Failed to disable interrupts: %d\n", ret); 251 return ret; 252 } 253 254 /* 255 * Get the enable GPIO. If any of the outputs is marked as being 256 * enabled at boot, request the GPIO with an initial high state to 257 * avoid disabling outputs that may have been turned on by the boot 258 * loader. Otherwise, request it with a low state to enter lower-power 259 * shutdown. 260 */ 263 if (IS_ERR(chip->ena_gpiod)) { 264 ret = PTR_ERR(chip->ena_gpiod); 265 dev_err(chip->dev, "Failed to get enable GPIO: %d\n", ret); 266 return ret; 267 } 268 269 ret = max20086_regulators_register(chip); 270 if (ret < 0) { 271 dev_err(chip->dev, "Failed to register regulators: %d\n", ret); 272 return ret; 273 } 274 275 return 0; 276 } 277 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org