Hi Lothar, kernel test robot noticed the following build warnings: [auto build test WARNING on jic23-iio/togreg] [also build test WARNING on linus/master v6.12-rc7 next-20241115] [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/Lothar-Rubusch/iio-accel-adxl345-fix-comment-on-probe/20241115-190245 base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg patch link: https://lore.kernel.org/r/20241114231002.98595-7-l.rubusch%40gmail.com patch subject: [PATCH 06/22] iio: accel: adxl345: add function to switch measuring config: arm-randconfig-002-20241117 (https://download.01.org/0day-ci/archive/20241117/202411171333.4V4FcJFa-lkp@xxxxxxxxx/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 592c0fe55f6d9a811028b5f3507be91458ab2713) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241117/202411171333.4V4FcJFa-lkp@xxxxxxxxx/reproduce) 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/202411171333.4V4FcJFa-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/iio/accel/adxl345_core.c:142: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * For lowest power operation, standby mode can be used. In standby mode, vim +142 drivers/iio/accel/adxl345_core.c 140 141 /** > 142 * For lowest power operation, standby mode can be used. In standby mode, 143 * current consumption is supposed to be reduced to 0.1uA (typical). In this 144 * mode no measurements are made. Placing the device into standby mode 145 * preserves the contents of FIFO. 146 * 147 * Unloading the driver puts the device in standby mode (measuring off). 148 * 149 * @st: The device data. 150 * @en: Enable measurements, else standby mode. 151 */ 152 static int adxl345_set_measure_en(struct adxl34x_state *st, bool en) 153 { 154 unsigned int val = 0; 155 int ret; 156 157 val = (en) ? ADXL345_POWER_CTL_MEASURE : ADXL345_POWER_CTL_STANDBY; 158 ret = regmap_write(st->regmap, ADXL345_REG_POWER_CTL, val); 159 if (ret) 160 return -EINVAL; 161 162 return 0; 163 } 164 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki