Hi Kamel, kernel test robot noticed the following build errors: [auto build test ERROR on dtor-input/next] [also build test ERROR on dtor-input/for-linus robh/for-next krzk-dt/for-next linus/master v6.10-rc1 next-20240529] [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/Kamel-Bouhara/dt-bindings-vendor-prefixes-Add-TouchNetix-AS/20240529-171328 base: https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git next patch link: https://lore.kernel.org/r/20240529091004.107256-4-kamel.bouhara%40bootlin.com patch subject: [PATCH v12 3/3] Input: Add TouchNetix axiom i2c touchscreen driver config: x86_64-randconfig-103-20240531 (https://download.01.org/0day-ci/archive/20240531/202405311035.5QZSREJv-lkp@xxxxxxxxx/config) compiler: gcc-13 (Ubuntu 13.2.0-4ubuntu3) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240531/202405311035.5QZSREJv-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/202405311035.5QZSREJv-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): ld: drivers/input/touchscreen/touchnetix_axiom.o: in function `axiom_handle_events': >> drivers/input/touchscreen/touchnetix_axiom.c:473:(.text+0x245f): undefined reference to `crc16' vim +473 drivers/input/touchscreen/touchnetix_axiom.c 442 443 /* 444 * Validates the crc and demultiplexes the axiom reports to the appropriate 445 * report handler 446 */ 447 static int axiom_handle_events(struct axiom_data *ts) 448 { 449 struct input_dev *input_dev = ts->input_dev; 450 u8 *report_data = ts->rx_buf; 451 struct device *dev = ts->dev; 452 u16 crc_report; 453 u8 *crc_bytes; 454 u16 crc_calc; 455 int error; 456 u8 len; 457 458 error = axiom_read(ts, AXIOM_REPORT_USAGE_ID, 0, report_data, ts->max_report_len); 459 if (error) 460 return error; 461 462 len = (report_data[0] & AXIOM_COMMS_REPORT_LEN_MASK) << 1; 463 if (len <= 2) { 464 dev_err(dev, "Zero length report discarded.\n"); 465 return -ENODATA; 466 } 467 468 /* Validate the report CRC */ 469 crc_bytes = &report_data[len]; 470 471 crc_report = get_unaligned_le16(crc_bytes - 2); 472 /* Length is in 16 bit words and remove the size of the CRC16 itself */ > 473 crc_calc = crc16(0, report_data, (len - 2)); 474 475 if (crc_calc != crc_report) { 476 dev_err(dev, 477 "CRC mismatch! Expected: %#x, Calculated CRC: %#x.\n", 478 crc_report, crc_calc); 479 return -EINVAL; 480 } 481 482 switch (report_data[1]) { 483 case AXIOM_USAGE_2DCTS_REPORT_ID: 484 if (axiom_process_u41_report(ts, &report_data[1])) { 485 input_mt_sync_frame(input_dev); 486 input_sync(input_dev); 487 } 488 break; 489 490 case AXIOM_USAGE_2AUX_REPORT_ID: 491 /* This is an aux report (force) */ 492 axiom_process_u46_report(ts, &report_data[1]); 493 input_mt_sync(input_dev); 494 input_sync(input_dev); 495 break; 496 497 case AXIOM_USAGE_2HB_REPORT_ID: 498 /* This is a heartbeat report */ 499 break; 500 default: 501 return -EINVAL; 502 } 503 504 return 0; 505 } 506 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
