Hi Tomasz, kernel test robot noticed the following build errors: [auto build test ERROR on hid/for-next] [also build test ERROR on linus/master v6.13-rc6 next-20241220] [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/Tomasz-Paku-a/HID-pidff-Convert-infinite-length-from-Linux-API-to-PID-standard/20250106-033931 base: https://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git for-next patch link: https://lore.kernel.org/r/20250105193628.296350-11-tomasz.pakula.oficjalny%40gmail.com patch subject: [PATCH v2 10/10] HID: Add hid-universal-pidff driver and supported device ids config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20250106/202501061243.bXGf8kc8-lkp@xxxxxxxxx/config) compiler: sh4-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250106/202501061243.bXGf8kc8-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/202501061243.bXGf8kc8-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): drivers/hid/hid-universal-pidff.c: In function 'universal_pidff_probe': >> drivers/hid/hid-universal-pidff.c:90:23: error: assignment to 'void (*)(struct hid_device *, __u32)' {aka 'void (*)(struct hid_device *, unsigned int)'} from incompatible pointer type 'int (*)(struct hid_device *, __u32)' {aka 'int (*)(struct hid_device *, unsigned int)'} [-Wincompatible-pointer-types] 90 | init_function = hid_pidff_init_with_quirks; | ^ >> drivers/hid/hid-universal-pidff.c:97:15: error: void value not ignored as it ought to be 97 | error = init_function(hdev, id->driver_data); | ^ vim +90 drivers/hid/hid-universal-pidff.c 66 67 68 /* 69 * Check if the device is PID and initialize it 70 * Add quirks after initialisation 71 */ 72 static int universal_pidff_probe(struct hid_device *hdev, 73 const struct hid_device_id *id) 74 { 75 int error; 76 error = hid_parse(hdev); 77 if (error) { 78 hid_err(hdev, "HID parse failed\n"); 79 goto err; 80 } 81 82 error = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); 83 if (error) { 84 hid_err(hdev, "HID hw start failed\n"); 85 goto err; 86 } 87 88 // Check if HID_PID support is enabled 89 void (*init_function)(struct hid_device *, __u32); > 90 init_function = hid_pidff_init_with_quirks; 91 92 if (!init_function) { 93 hid_warn(hdev, "HID_PID support not enabled!\n"); 94 return 0; 95 } 96 > 97 error = init_function(hdev, id->driver_data); 98 if (error) { 99 hid_warn(hdev, "Force Feedback initialization failed\n"); 100 goto err; 101 } 102 103 hid_info(hdev, "Universal pidff driver loaded sucesfully!"); 104 105 return 0; 106 err: 107 return error; 108 } 109 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki