Hi Rasmus, kernel test robot noticed the following build errors: [auto build test ERROR on abelloni/rtc-next] [also build test ERROR on robh/for-next linus/master v6.4-rc6 next-20230609] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Rasmus-Villemoes/rtc-isl12022-remove-wrong-warning-for-low-battery-level/20230612-211434 base: https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git rtc-next patch link: https://lore.kernel.org/r/20230612113059.247275-5-linux%40rasmusvillemoes.dk patch subject: [PATCH 4/8] rtc: isl12022: add support for trip level DT bindings config: arm-randconfig-r012-20230612 (https://download.01.org/0day-ci/archive/20230613/202306130116.8PIDa21J-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce (this is a W=1 build): mkdir -p ~/bin wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi git remote add abelloni https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git git fetch abelloni rtc-next git checkout abelloni/rtc-next b4 shazam https://lore.kernel.org/r/20230612113059.247275-5-linux@xxxxxxxxxxxxxxxxxx # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=arm olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/rtc/ If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202306130116.8PIDa21J-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/rtc/rtc-isl12022.c:238:8: error: call to undeclared function 'FIELD_PREP'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 238 | val = FIELD_PREP(ISL12022_REG_VB85_MASK, x85) | FIELD_PREP(ISL12022_REG_VB75_MASK, x75); | ^ 1 error generated. vim +/FIELD_PREP +238 drivers/rtc/rtc-isl12022.c 219 220 static void isl12022_set_trip_levels(struct device *dev) 221 { 222 struct regmap *regmap = dev_get_drvdata(dev); 223 u32 level85 = 0, level75 = 0; 224 int ret, x85, x75; 225 u8 val, mask; 226 227 device_property_read_u32(dev, "isil,trip-level85-microvolt", &level85); 228 device_property_read_u32(dev, "isil,trip-level75-microvolt", &level75); 229 230 for (x85 = 0; x85 < ARRAY_SIZE(trip_level85) - 1; ++x85) 231 if (level85 <= trip_level85[x85]) 232 break; 233 234 for (x75 = 0; x75 < ARRAY_SIZE(trip_level75) - 1; ++x75) 235 if (level75 <= trip_level75[x75]) 236 break; 237 > 238 val = FIELD_PREP(ISL12022_REG_VB85_MASK, x85) | FIELD_PREP(ISL12022_REG_VB75_MASK, x75); 239 mask = ISL12022_REG_VB85_MASK | ISL12022_REG_VB75_MASK; 240 241 ret = regmap_update_bits(regmap, ISL12022_REG_PWR_VBAT, mask, val); 242 if (ret) 243 dev_warn(dev, "unable to set battery alarm levels: %d\n", ret); 244 } 245 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
