Hi Luka, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on hwmon/hwmon-next] [also build test WARNING on lee-mfd/for-mfd-next pavel-linux-leds/for-next linus/master v5.9-rc7 next-20200929] [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] url: https://github.com/0day-ci/linux/commits/Luka-Kovacic/Add-support-for-the-iEi-Puzzle-M801-board/20200930-094341 base: https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next config: openrisc-randconfig-r033-20200930 (attached as .config) compiler: or1k-linux-gcc (GCC) 9.3.0 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://github.com/0day-ci/linux/commit/3f186576324e22bba3e3893d6f3cf3ce91d70da7 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Luka-Kovacic/Add-support-for-the-iEi-Puzzle-M801-board/20200930-094341 git checkout 3f186576324e22bba3e3893d6f3cf3ce91d70da7 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=openrisc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/mfd/iei-wt61p803-puzzle.c:309:5: warning: no previous prototype for 'iei_wt61p803_puzzle_buzzer' [-Wmissing-prototypes] 309 | int iei_wt61p803_puzzle_buzzer(struct iei_wt61p803_puzzle *mcu, bool long_beep) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/iei_wt61p803_puzzle_buzzer +309 drivers/mfd/iei-wt61p803-puzzle.c 308 > 309 int iei_wt61p803_puzzle_buzzer(struct iei_wt61p803_puzzle *mcu, bool long_beep) 310 { 311 unsigned char buzzer_short_cmd[4] = { 312 IEI_WT61P803_PUZZLE_CMD_HEADER_START, 313 IEI_WT61P803_PUZZLE_CMD_FUNCTION_SINGLE, 314 '2' 315 }; /* Buzzer 0.5 sec */ 316 unsigned char buzzer_long_cmd[4] = { 317 IEI_WT61P803_PUZZLE_CMD_HEADER_START, 318 IEI_WT61P803_PUZZLE_CMD_FUNCTION_SINGLE, 319 '3' 320 }; /* Buzzer 1.5 sec */ 321 unsigned char *resp_buf = mcu->response_buffer; 322 size_t reply_size = 0; 323 int ret; 324 325 mutex_lock(&mcu->lock); 326 ret = iei_wt61p803_puzzle_write_command(mcu, 327 long_beep ? buzzer_long_cmd : buzzer_short_cmd, 4, 328 resp_buf, &reply_size); 329 if (ret) 330 goto exit; 331 332 if (reply_size != 3) { 333 ret = -EIO; 334 goto exit; 335 } 336 337 if (!(resp_buf[0] == IEI_WT61P803_PUZZLE_CMD_HEADER_START && 338 resp_buf[1] == IEI_WT61P803_PUZZLE_CMD_RESPONSE_OK && 339 resp_buf[2] == IEI_WT61P803_PUZZLE_CHECKSUM_RESPONSE_OK)) { 340 ret = -EPROTO; 341 goto exit; 342 } 343 exit: 344 mutex_unlock(&mcu->lock); 345 return ret; 346 } 347 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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