tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.4 head: c2acdef3cdd79e1703043f159b8cc5296e7d5fce commit: 3d22a03f064e2b3b78a4660fc4821f3a830b1a80 [9996/9999] BACKPORT: FROMLIST: iio: proximity: Add sx9360 support config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20220110/202201101901.vc7BkxM7-lk...) compiler: alpha-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 git remote add chrome-os https://chromium.googlesource.com/chromiumos/third_party/kernel git fetch --no-tags chrome-os chromeos-5.4 git checkout 3d22a03f064e2b3b78a4660fc4821f3a830b1a80 # 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=alpha SHELL=/bin/bash drivers/iio/proximity/ 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/iio/proximity/sx9360.c: In function 'sx9360_set_samp_freq': 386 | int ret, reg; | ^~~ vim +/reg +386 drivers/iio/proximity/sx9360.c 382 383 static int sx9360_set_samp_freq(struct sx_common_data *data, 384 int val, int val2) 385 { 387 __be16 buf; 388 389 reg = val * 8192 / SX9360_FOSC_HZ + val2 * 8192 / (SX9360_FOSC_MHZ); 390 buf = cpu_to_be16(val); 391 mutex_lock(&data->mutex); 392 393 ret = regmap_bulk_write(data->regmap, SX9360_REG_GNRL_CTRL1, &buf, 394 sizeof(buf)); 395 396 mutex_unlock(&data->mutex); 397 398 return ret; 399 } 400 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org