Hi Aleksa, I love your patch! Yet something to improve: [auto build test ERROR on groeck-staging/hwmon-next] [also build test ERROR on next-20220901] [cannot apply to linus/master v6.0-rc4] [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/Aleksa-Savic/hwmon-aquacomputer_d5next-Add-support-for-Aquacomputer-High-Flow-Next/20220905-222744 base: https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next config: arc-randconfig-r043-20220905 (https://download.01.org/0day-ci/archive/20220906/202209060417.oElADHt3-lkp@xxxxxxxxx/config) compiler: arceb-elf-gcc (GCC) 12.1.0 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/intel-lab-lkp/linux/commit/0a43ba8acd8bcd54afd03ea6149d54fc99fe284c git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Aleksa-Savic/hwmon-aquacomputer_d5next-Add-support-for-Aquacomputer-High-Flow-Next/20220905-222744 git checkout 0a43ba8acd8bcd54afd03ea6149d54fc99fe284c # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash drivers/hwmon/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> drivers/hwmon/aquacomputer_d5next.c:38:10: error: 'highflownext' undeclared here (not in a function) 38 | [highflownext] = "highflownext" | ^~~~~~~~~~~~ >> drivers/hwmon/aquacomputer_d5next.c:38:10: error: array index in initializer not of integer type drivers/hwmon/aquacomputer_d5next.c:38:10: note: (near initialization for 'aqc_device_names') drivers/hwmon/aquacomputer_d5next.c: In function 'aqc_probe': >> drivers/hwmon/aquacomputer_d5next.c:924:14: error: 'USB_PRODUCT_ID_HIGHFLOWNEXT' undeclared (first use in this function); did you mean 'USB_PRODUCT_ID_D5NEXT'? 924 | case USB_PRODUCT_ID_HIGHFLOWNEXT: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ | USB_PRODUCT_ID_D5NEXT drivers/hwmon/aquacomputer_d5next.c:924:14: note: each undeclared identifier is reported only once for each function it appears in In file included from drivers/hwmon/aquacomputer_d5next.c:15: drivers/hwmon/aquacomputer_d5next.c: At top level: >> drivers/hwmon/aquacomputer_d5next.c:993:54: error: 'USB_PRODUCT_ID_HIGHFLOWNEXT' undeclared here (not in a function); did you mean 'USB_PRODUCT_ID_D5NEXT'? 993 | { HID_USB_DEVICE(USB_VENDOR_ID_AQUACOMPUTER, USB_PRODUCT_ID_HIGHFLOWNEXT) }, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/hid.h:713:54: note: in definition of macro 'HID_USB_DEVICE' 713 | .bus = BUS_USB, .vendor = (ven), .product = (prod) | ^~~~ vim +/highflownext +38 drivers/hwmon/aquacomputer_d5next.c 31 32 static const char *const aqc_device_names[] = { 33 [d5next] = "d5next", 34 [farbwerk] = "farbwerk", 35 [farbwerk360] = "farbwerk360", 36 [octo] = "octo", 37 [quadro] = "quadro", > 38 [highflownext] = "highflownext" 39 }; 40 -- 0-DAY CI Kernel Test Service https://01.org/lkp