tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 2e9a9857569ec27e64d2ddd01294bbe3c736acb1 commit: a5af7ccaf51299819dd0e5b1347d6f4d00752701 [1554/3040] hwmon: (aquacomputer_d5next) Add support for Aquacomputer Octo config: microblaze-randconfig-r036-20220406 (https://download.01.org/0day-ci/archive/20220408/202204081717.Ofq8vRMm-lkp@xxxxxxxxx/config) compiler: microblaze-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/next/linux-next.git/commit/?id=a5af7ccaf51299819dd0e5b1347d6f4d00752701 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout a5af7ccaf51299819dd0e5b1347d6f4d00752701 # 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=microblaze SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): microblaze-linux-ld: drivers/hwmon/aquacomputer_d5next.o: in function `aqc_write': >> drivers/hwmon/aquacomputer_d5next.c:255: undefined reference to `crc16' vim +255 drivers/hwmon/aquacomputer_d5next.c 247 248 /* Expects the mutex to be locked */ 249 static int aqc_send_ctrl_data(struct aqc_data *priv) 250 { 251 int ret; 252 u16 checksum; 253 254 /* Init and xorout value for CRC-16/USB is 0xffff */ > 255 checksum = crc16(0xffff, priv->buffer + priv->checksum_start, priv->checksum_length); 256 checksum ^= 0xffff; 257 258 /* Place the new checksum at the end of the report */ 259 put_unaligned_be16(checksum, priv->buffer + priv->checksum_offset); 260 261 /* Send the patched up report back to the device */ 262 ret = hid_hw_raw_request(priv->hdev, CTRL_REPORT_ID, priv->buffer, priv->buffer_size, 263 HID_FEATURE_REPORT, HID_REQ_SET_REPORT); 264 if (ret < 0) 265 return ret; 266 267 /* The official software sends this report after every change, so do it here as well */ 268 ret = hid_hw_raw_request(priv->hdev, SECONDARY_CTRL_REPORT_ID, secondary_ctrl_report, 269 SECONDARY_CTRL_REPORT_SIZE, HID_FEATURE_REPORT, 270 HID_REQ_SET_REPORT); 271 return ret; 272 } 273 -- 0-DAY CI Kernel Test Service https://01.org/lkp
