Hi Emmanuel, Thank you for the patch! Yet something to improve: [auto build test ERROR on hid/for-next] [cannot apply to jikos-trivial/for-next v5.15-rc6 next-20211021] [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/Emmanuel-Gil-Peyrot/HID-nintendo... base: https://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git for-next config: i386-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/ef6cb9d1fa01a825280bca49c84b644b8... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Emmanuel-Gil-Peyrot/HID-nintendo-split-switch-support-into-its-own-file/20211019-200531 git checkout ef6cb9d1fa01a825280bca49c84b644b8d08bfa6 # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): drivers/hid/hid-nintendo-switch.c:406:2: error: 'LED_FUNCTION_PLAYER1' undeclared here (not in a function); did you mean 'LED_FUNCTION_ALARM'? 406 | LED_FUNCTION_PLAYER1, | ^~~~~~~~~~~~~~~~~~~~ | LED_FUNCTION_ALARM drivers/hid/hid-nintendo-switch.c:407:2: error: 'LED_FUNCTION_PLAYER2' undeclared here (not in a function); did you mean 'LED_FUNCTION_ALARM'? 407 | LED_FUNCTION_PLAYER2, | ^~~~~~~~~~~~~~~~~~~~ | LED_FUNCTION_ALARM drivers/hid/hid-nintendo-switch.c:408:2: error: 'LED_FUNCTION_PLAYER3' undeclared here (not in a function); did you mean 'LED_FUNCTION_ALARM'? 408 | LED_FUNCTION_PLAYER3, | ^~~~~~~~~~~~~~~~~~~~ | LED_FUNCTION_ALARM drivers/hid/hid-nintendo-switch.c:409:2: error: 'LED_FUNCTION_PLAYER4' undeclared here (not in a function); did you mean 'LED_FUNCTION_ALARM'? 409 | LED_FUNCTION_PLAYER4, | ^~~~~~~~~~~~~~~~~~~~ | LED_FUNCTION_ALARM drivers/hid/hid-nintendo-switch.c: In function 'joycon_leds_create': drivers/hid/hid-nintendo-switch.c:1881:11: error: 'LED_FUNCTION_PLAYER5' undeclared (first use in this function); did you mean 'LED_FUNCTION_ALARM'? 1881 | LED_FUNCTION_PLAYER5); | ^~~~~~~~~~~~~~~~~~~~ | LED_FUNCTION_ALARM drivers/hid/hid-nintendo-switch.c:1881:11: note: each undeclared identifier is reported only once for each function it appears in 1878 | name = devm_kasprintf(dev, GFP_KERNEL, "%s:%s:%s", | ~^ | | | char * ...... 1881 | LED_FUNCTION_PLAYER5); | ~~~~~~~~~~~~~~~~~~~~ | | | const char * const* At top level: drivers/hid/hid-nintendo-switch.c:99:17: error: 'JC_USB_SEND_UART' defined but not used [-Werror=unused-const-variable=] 99 | static const u8 JC_USB_SEND_UART = 0x92; | ^~~~~~~~~~~~~~~~ drivers/hid/hid-nintendo-switch.c:98:17: error: 'JC_USB_PRE_HANDSHAKE' defined but not used [-Werror=unused-const-variable=] 98 | static const u8 JC_USB_PRE_HANDSHAKE = 0x91; | ^~~~~~~~~~~~~~~~~~~~ drivers/hid/hid-nintendo-switch.c:97:17: error: 'JC_USB_RESET' defined but not used [-Werror=unused-const-variable=] 97 | static const u8 JC_USB_RESET = 0x06; | ^~~~~~~~~~~~ drivers/hid/hid-nintendo-switch.c:96:17: error: 'JC_USB_CMD_EN_TIMEOUT' defined but not used [-Werror=unused-const-variable=] 96 | static const u8 JC_USB_CMD_EN_TIMEOUT = 0x05; | ^~~~~~~~~~~~~~~~~~~~~ drivers/hid/hid-nintendo-switch.c:92:17: error: 'JC_USB_CMD_CONN_STATUS' defined but not used [-Werror=unused-const-variable=] 92 | static const u8 JC_USB_CMD_CONN_STATUS = 0x01; | ^~~~~~~~~~~~~~~~~~~~~~ drivers/hid/hid-nintendo-switch.c:89:17: error: 'JC_FEATURE_LAUNCH' defined but not used [-Werror=unused-const-variable=] 89 | static const u8 JC_FEATURE_LAUNCH = 0x75; | ^~~~~~~~~~~~~~~~~ drivers/hid/hid-nintendo-switch.c:88:17: error: 'JC_FEATURE_MEM_WRITE' defined but not used [-Werror=unused-const-variable=] 88 | static const u8 JC_FEATURE_MEM_WRITE = 0x74; | ^~~~~~~~~~~~~~~~~~~~ drivers/hid/hid-nintendo-switch.c:87:17: error: 'JC_FEATURE_ERASE_MEM_SECTOR' defined but not used [-Werror=unused-const-variable=] 87 | static const u8 JC_FEATURE_ERASE_MEM_SECTOR = 0x73; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/hid/hid-nintendo-switch.c:86:17: error: 'JC_FEATURE_MEM_READ' defined but not used [-Werror=unused-const-variable=] 86 | static const u8 JC_FEATURE_MEM_READ = 0x72; | ^~~~~~~~~~~~~~~~~~~ drivers/hid/hid-nintendo-switch.c:85:17: error: 'JC_FEATURE_SETUP_MEM_READ' defined but not used [-Werror=unused-const-variable=] 85 | static const u8 JC_FEATURE_SETUP_MEM_READ = 0x71; | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/hid/hid-nintendo-switch.c:84:17: error: 'JC_FEATURE_OTA_FW_UPGRADE' defined but not used [-Werror=unused-const-variable=] 84 | static const u8 JC_FEATURE_OTA_FW_UPGRADE = 0x70; | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/hid/hid-nintendo-switch.c:83:17: error: 'JC_FEATURE_LAST_SUBCMD' defined but not used [-Werror=unused-const-variable=] 83 | static const u8 JC_FEATURE_LAST_SUBCMD = 0x02; | ^~~~~~~~~~~~~~~~~~~~~~ drivers/hid/hid-nintendo-switch.c:76:17: error: 'JC_INPUT_BUTTON_EVENT' defined but not used [-Werror=unused-const-variable=] 76 | static const u8 JC_INPUT_BUTTON_EVENT = 0x3F; | ^~~~~~~~~~~~~~~~~~~~~ drivers/hid/hid-nintendo-switch.c:73:17: error: 'JC_SUBCMD_GET_REGULATED_VOLTAGE' defined but not used [-Werror=unused-const-variable=] 73 | static const u8 JC_SUBCMD_GET_REGULATED_VOLTAGE = 0x50; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/hid/hid-nintendo-switch.c:71:17: error: 'JC_SUBCMD_READ_IMU_REG' defined but not used [-Werror=unused-const-variable=] 71 | static const u8 JC_SUBCMD_READ_IMU_REG = 0x43; | ^~~~~~~~~~~~~~~~~~~~~~ drivers/hid/hid-nintendo-switch.c:70:17: error: 'JC_SUBCMD_WRITE_IMU_REG' defined but not used [-Werror=unused-const-variable=] 70 | static const u8 JC_SUBCMD_WRITE_IMU_REG = 0x42; | ^~~~~~~~~~~~~~~~~~~~~~~ drivers/hid/hid-nintendo-switch.c:69:17: error: 'JC_SUBCMD_SET_IMU_SENSITIVITY' defined but not used [-Werror=unused-const-variable=] 69 | static const u8 JC_SUBCMD_SET_IMU_SENSITIVITY = 0x41; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/hid/hid-nintendo-switch.c:66:17: error: 'JC_SUBCMD_GET_PLAYER_LIGHTS' defined but not used [-Werror=unused-const-variable=] 66 | static const u8 JC_SUBCMD_GET_PLAYER_LIGHTS = 0x31; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/hid/hid-nintendo-switch.c:64:17: error: 'JC_SUBCMD_SET_MCU_STATE' defined but not used [-Werror=unused-const-variable=] 64 | static const u8 JC_SUBCMD_SET_MCU_STATE = 0x22; | ^~~~~~~~~~~~~~~~~~~~~~~ drivers/hid/hid-nintendo-switch.c:63:17: error: 'JC_SUBCMD_SET_MCU_CONFIG' defined but not used [-Werror=unused-const-variable=] 63 | static const u8 JC_SUBCMD_SET_MCU_CONFIG = 0x21; | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/hid/hid-nintendo-switch.c:62:17: error: 'JC_SUBCMD_RESET_MCU' defined but not used [-Werror=unused-const-variable=] 62 | static const u8 JC_SUBCMD_RESET_MCU = 0x20; | ^~~~~~~~~~~~~~~~~~~ drivers/hid/hid-nintendo-switch.c:61:17: error: 'JC_SUBCMD_SPI_FLASH_WRITE' defined but not used [-Werror=unused-const-variable=] 61 | static const u8 JC_SUBCMD_SPI_FLASH_WRITE = 0x11; | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/hid/hid-nintendo-switch.c:59:17: error: 'JC_SUBCMD_LOW_POWER_MODE' defined but not used [-Werror=unused-const-variable=] 59 | static const u8 JC_SUBCMD_LOW_POWER_MODE = 0x08; | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/hid/hid-nintendo-switch.c:58:17: error: 'JC_SUBCMD_RESET_PAIRING_INFO' defined but not used [-Werror=unused-const-variable=] 58 | static const u8 JC_SUBCMD_RESET_PAIRING_INFO = 0x07; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/hid/hid-nintendo-switch.c:57:17: error: 'JC_SUBCMD_SET_HCI_STATE' defined but not used [-Werror=unused-const-variable=] 57 | static const u8 JC_SUBCMD_SET_HCI_STATE = 0x06; | ^~~~~~~~~~~~~~~~~~~~~~~ drivers/hid/hid-nintendo-switch.c:56:17: error: 'JC_SUBCMD_GET_PAGE_LIST_STATE' defined but not used [-Werror=unused-const-variable=] 56 | static const u8 JC_SUBCMD_GET_PAGE_LIST_STATE = 0x05; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/hid/hid-nintendo-switch.c:55:17: error: 'JC_SUBCMD_TRIGGERS_ELAPSED' defined but not used [-Werror=unused-const-variable=] 55 | static const u8 JC_SUBCMD_TRIGGERS_ELAPSED = 0x04; | ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/hid/hid-nintendo-switch.c:52:17: error: 'JC_SUBCMD_MANUAL_BT_PAIRING' defined but not used [-Werror=unused-const-variable=] 52 | static const u8 JC_SUBCMD_MANUAL_BT_PAIRING = 0x01; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/hid/hid-nintendo-switch.c:51:17: error: 'JC_SUBCMD_STATE' defined but not used [-Werror=unused-const-variable=] 51 | static const u8 JC_SUBCMD_STATE /*= 0x00*/; | ^~~~~~~~~~~~~~~ drivers/hid/hid-nintendo-switch.c:47:17: error: 'JC_OUTPUT_MCU_DATA' defined but not used [-Werror=unused-const-variable=] 47 | static const u8 JC_OUTPUT_MCU_DATA = 0x11; | ^~~~~~~~~~~~~~~~~~ vim +1878 drivers/hid/hid-nintendo-switch.c 1827 1828 static DEFINE_MUTEX(joycon_input_num_mutex); 1829 static int joycon_leds_create(struct joycon_ctlr *ctlr) 1830 { 1831 struct hid_device *hdev = ctlr->hdev; 1832 struct device *dev = &hdev->dev; 1833 const char *d_name = dev_name(dev); 1834 struct led_classdev *led; 1835 char *name; 1836 int ret = 0; 1837 int i; 1838 static int input_num = 1; 1839 1840 /* Set the default controller player leds based on controller number */ 1841 mutex_lock(&joycon_input_num_mutex); 1842 mutex_lock(&ctlr->output_mutex); 1843 ret = joycon_set_player_leds(ctlr, 0, 0xF >> (4 - input_num)); 1844 if (ret) 1845 hid_warn(ctlr->hdev, "Failed to set leds; ret=%d\n", ret); 1846 mutex_unlock(&ctlr->output_mutex); 1847 1848 /* configure the player LEDs */ 1849 for (i = 0; i < JC_NUM_LEDS; i++) { 1850 name = devm_kasprintf(dev, GFP_KERNEL, "%s:%s:%s", 1851 d_name, 1852 "green", 1853 joycon_player_led_names[i]); 1854 if (!name) 1855 return -ENOMEM; 1856 1857 led = &ctlr->leds[i]; 1858 led->name = name; 1859 led->brightness = ((i + 1) <= input_num) ? 1 : 0; 1860 led->max_brightness = 1; 1861 led->brightness_set_blocking = 1862 joycon_player_led_brightness_set; 1863 led->flags = LED_CORE_SUSPENDRESUME | LED_HW_PLUGGABLE; 1864 1865 ret = devm_led_classdev_register(&hdev->dev, led); 1866 if (ret) { 1867 hid_err(hdev, "Failed registering %s LED\n", led->name); 1868 return ret; 1869 } 1870 } 1871 1872 if (++input_num > 4) 1873 input_num = 1; 1874 mutex_unlock(&joycon_input_num_mutex); 1875 1876 /* configure the home LED */ 1877 if (jc_type_has_right(ctlr)) { 1879 d_name, 1880 "blue", 1881 LED_FUNCTION_PLAYER5); 1882 if (!name) 1883 return -ENOMEM; 1884 1885 led = &ctlr->home_led; 1886 led->name = name; 1887 led->brightness = 0; 1888 led->max_brightness = 0xF; 1889 led->brightness_set_blocking = joycon_home_led_brightness_set; 1890 led->flags = LED_CORE_SUSPENDRESUME | LED_HW_PLUGGABLE; 1891 ret = devm_led_classdev_register(&hdev->dev, led); 1892 if (ret) { 1893 hid_err(hdev, "Failed registering home led\n"); 1894 return ret; 1895 } 1896 /* Set the home LED to 0 as default state */ 1897 ret = joycon_home_led_brightness_set(led, 0); 1898 if (ret) { 1899 hid_err(hdev, "Failed to set home LED dflt; ret=%d\n", 1900 ret); 1901 return ret; 1902 } 1903 } 1904 1905 return 0; 1906 } 1907 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org