tree: https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git next head: 918e2844d940da7c624262a7aa327615d3eb5abd commit: 04e49867fad1f4a0739862bb15133f96ace1d190 [2481/2485] Input: add support for Azoteq IQS269A config: sparc-randconfig-r036-20200518 (attached as .config) compiler: sparc-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 04e49867fad1f4a0739862bb15133f96ace1d190 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=sparc If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>, old ones prefixed by <<): 1829 | module_i2c_driver(iqs269_i2c_driver); | ^~~~~~~~~~~~~~~~~ drivers/input/misc/iqs269a.c:1821:26: warning: 'iqs269_i2c_driver' defined but not used [-Wunused-variable] 1821 | static struct i2c_driver iqs269_i2c_driver = { | ^~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors -- drivers/base/regmap/regmap-i2c.c: In function 'regmap_smbus_byte_reg_read': 25 | ret = i2c_smbus_read_byte_data(i2c, reg); | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/base/regmap/regmap-i2c.c: In function 'regmap_smbus_byte_reg_write': 43 | return i2c_smbus_write_byte_data(i2c, reg, val); | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/base/regmap/regmap-i2c.c: In function 'regmap_smbus_word_reg_read': 61 | ret = i2c_smbus_read_word_data(i2c, reg); | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/base/regmap/regmap-i2c.c: In function 'regmap_smbus_word_reg_write': 79 | return i2c_smbus_write_word_data(i2c, reg, val); | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/base/regmap/regmap-i2c.c: In function 'regmap_smbus_word_read_swapped': 97 | ret = i2c_smbus_read_word_swapped(i2c, reg); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/base/regmap/regmap-i2c.c: In function 'regmap_smbus_word_write_swapped': 115 | return i2c_smbus_write_word_swapped(i2c, reg, val); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/base/regmap/regmap-i2c.c: In function 'regmap_i2c_write': 129 | ret = i2c_master_send(i2c, data, count); | ^~~~~~~~~~~~~~~ drivers/base/regmap/regmap-i2c.c: In function 'regmap_i2c_gather_write': 150 | if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_NOSTART)) | ^~~~~~~~~~~~~~~~~~~~~~~ 163 | ret = i2c_transfer(i2c->adapter, xfer, 2); | ^~~~~~~~~~~~ drivers/base/regmap/regmap-i2c.c: In function 'regmap_i2c_smbus_i2c_write': 218 | return i2c_smbus_write_i2c_block_data(i2c, ((u8 *)data)[0], count, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/base/regmap/regmap-i2c.c: In function 'regmap_i2c_smbus_i2c_read': 233 | ret = i2c_smbus_read_i2c_block_data(i2c, ((u8 *)reg)[0], val_size, val); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +1829 drivers/input/misc/iqs269a.c 1820 1821 static struct i2c_driver iqs269_i2c_driver = { 1822 .driver = { 1823 .name = "iqs269a", 1824 .of_match_table = iqs269_of_match, 1825 .pm = &iqs269_pm, 1826 }, 1827 .probe_new = iqs269_probe, 1828 }; 1830 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org