Hi Joshua, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on hid/for-next] [also build test WARNING on linus/master v6.2-rc1 next-20221226] [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/Joshua-Goins/HID-uclogic-Add-support-for-XP-PEN-Artist-22R-Pro/20221226-112302 base: https://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git for-next patch link: https://lore.kernel.org/r/2068502.VLH7GnMWUR%40adrastea patch subject: [PATCH] HID: uclogic: Add support for XP-PEN Artist 22R Pro config: arm-randconfig-r021-20221226 compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project f5700e7b69048de958172fb513b336564e7f8709) 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 # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://github.com/intel-lab-lkp/linux/commit/51d8c9b14fc55dcb5b8e3f7f4e0cc582ce9097d7 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Joshua-Goins/HID-uclogic-Add-support-for-XP-PEN-Artist-22R-Pro/20221226-112302 git checkout 51d8c9b14fc55dcb5b8e3f7f4e0cc582ce9097d7 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/hid/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> drivers/hid/hid-uclogic-params.c:1489:5: warning: format specifies type 'unsigned long' but the argument has type 'size_t' (aka 'unsigned int') [-Wformat] str_desc_len); ^~~~~~~~~~~~ include/linux/hid.h:1206:30: note: expanded from macro 'hid_err' dev_err(&(hid)->dev, fmt, ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/linux/dev_printk.h:144:65: note: expanded from macro 'dev_err' dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap' _p_func(dev, fmt, ##__VA_ARGS__); \ ~~~ ^~~~~~~~~~~ 1 warning generated. vim +1489 drivers/hid/hid-uclogic-params.c 1422 1423 1424 /* 1425 * uclogic_params_init_ugee_xppen_pro() - Initializes a UGEE XP-Pen Pro tablet device. 1426 * 1427 * @hdev: The HID device of the tablet interface to initialize and get 1428 * parameters from. Cannot be NULL. 1429 * @params: Parameters to fill in (to be cleaned with 1430 * uclogic_params_cleanup()). Not modified in case of error. 1431 * Cannot be NULL. 1432 * 1433 * Returns: 1434 * Zero, if successful. A negative errno code on error. 1435 */ 1436 static int uclogic_params_init_ugee_xppen_pro(struct hid_device *hdev, 1437 struct uclogic_params *p, 1438 const u8 probe_endpoint, 1439 const u8 rdesc_init_packet[], 1440 const size_t rdesc_init_size, 1441 const u8 rdesc_tablet_arr[], 1442 const size_t rdesc_tablet_size, 1443 const u8 rdesc_frame_arr[], 1444 const size_t rdesc_frame_size) 1445 { 1446 const size_t str_desc_len = 12; 1447 struct usb_device *udev = hid_to_usb_dev(hdev); 1448 u8 *buf = kmemdup(rdesc_init_packet, rdesc_init_size, GFP_KERNEL); 1449 s32 desc_params[UCLOGIC_RDESC_PH_ID_NUM]; 1450 int actual_len, rc; 1451 u16 resolution; 1452 1453 if (hdev == NULL || p == NULL) 1454 return -EINVAL; 1455 1456 rc = usb_interrupt_msg( 1457 udev, 1458 usb_sndintpipe(udev, probe_endpoint), 1459 buf, 1460 rdesc_init_size, 1461 &actual_len, 1462 USB_CTRL_SET_TIMEOUT); 1463 kfree(buf); 1464 if (rc == -EPIPE) { 1465 hid_err(hdev, "broken pipe sending init packet\n"); 1466 return rc; 1467 } else if (rc < 0) { 1468 hid_err(hdev, "failed sending init packet: %d\n", rc); 1469 return rc; 1470 } else if (actual_len != rdesc_init_size) { 1471 hid_err(hdev, 1472 "failed to transfer complete init packet, only %d bytes sent\n", 1473 actual_len); 1474 return -1; 1475 } 1476 1477 rc = uclogic_params_get_str_desc(&buf, hdev, 100, str_desc_len); 1478 if (rc != str_desc_len) { 1479 if (rc == -EPIPE) { 1480 hid_err(hdev, 1481 "string descriptor with pen parameters not found\n"); 1482 } else if (rc < 0) { 1483 hid_err(hdev, 1484 "failed retrieving pen parameters: %d\n", rc); 1485 } else { 1486 hid_err(hdev, 1487 "string descriptor with pen parameters has invalid length (got %d, expected %lu)\n", 1488 rc, > 1489 str_desc_len); 1490 rc = -1; 1491 } 1492 kfree(buf); 1493 return rc; 1494 } 1495 1496 desc_params[UCLOGIC_RDESC_PEN_PH_ID_X_LM] = get_unaligned_le16(buf + 2); 1497 desc_params[UCLOGIC_RDESC_PEN_PH_ID_Y_LM] = get_unaligned_le16(buf + 4); 1498 /* buf + 6 is the number of pad buttons? Its 0x0008 */ 1499 desc_params[UCLOGIC_RDESC_PEN_PH_ID_PRESSURE_LM] = 1500 get_unaligned_le16(buf + 8); 1501 resolution = get_unaligned_le16(buf + 10); 1502 kfree(buf); 1503 if (resolution == 0) { 1504 hid_err(hdev, "resolution of 0 in descriptor string\n"); 1505 return -1; 1506 } 1507 desc_params[UCLOGIC_RDESC_PEN_PH_ID_X_PM] = 1508 desc_params[UCLOGIC_RDESC_PEN_PH_ID_X_LM] * 1000 / resolution; 1509 desc_params[UCLOGIC_RDESC_PEN_PH_ID_Y_PM] = 1510 desc_params[UCLOGIC_RDESC_PEN_PH_ID_Y_LM] * 1000 / resolution; 1511 1512 hid_dbg(hdev, 1513 "Received parameters: X: %d Y: %d Pressure: %d Resolution: %u\n", 1514 desc_params[UCLOGIC_RDESC_PEN_PH_ID_X_LM], 1515 desc_params[UCLOGIC_RDESC_PEN_PH_ID_Y_LM], 1516 desc_params[UCLOGIC_RDESC_PEN_PH_ID_PRESSURE_LM], 1517 resolution); 1518 1519 p->pen.desc_ptr = uclogic_rdesc_template_apply( 1520 rdesc_tablet_arr, 1521 rdesc_tablet_size, 1522 desc_params, 1523 ARRAY_SIZE(desc_params)); 1524 p->pen.desc_size = rdesc_tablet_size; 1525 p->pen.id = 0x02; 1526 1527 rc = uclogic_params_frame_init_with_desc( 1528 &p->frame_list[0], 1529 rdesc_frame_arr, 1530 rdesc_frame_size, 1531 UCLOGIC_RDESC_V1_FRAME_ID); 1532 if (rc < 0) { 1533 hid_err(hdev, "initializing frame params failed: %d\n", rc); 1534 return rc; 1535 } 1536 1537 p->pen.subreport_list[0].value = 0xf0; 1538 p->pen.subreport_list[0].id = p->frame_list[0].id; 1539 1540 return 0; 1541 } 1542 -- 0-DAY CI Kernel Test Service https://01.org/lkp