Hi Biju, kernel test robot noticed the following build errors: [auto build test ERROR on wsa/i2c/for-next] [also build test ERROR on driver-core/driver-core-testing driver-core/driver-core-next driver-core/driver-core-linus linus/master v6.5-rc4 next-20230801] [cannot apply to sailus-media-tree/streams] [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/Biju-Das/drivers-fwnode-Extend-device_get_match_data-to-struct-bus_type/20230802-010931 base: https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git i2c/for-next patch link: https://lore.kernel.org/r/20230801170318.82682-3-biju.das.jz%40bp.renesas.com patch subject: [PATCH v3 2/2] i2c: Add i2c_device_get_match_data() callback config: parisc-randconfig-r026-20230731 (https://download.01.org/0day-ci/archive/20230802/202308021202.uZeI7Cnt-lkp@xxxxxxxxx/config) compiler: hppa-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230802/202308021202.uZeI7Cnt-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/202308021202.uZeI7Cnt-lkp@xxxxxxxxx/ All error/warnings (new ones prefixed by >>): In file included from drivers/i2c/i2c-core-base.c:23: include/linux/i2c.h:1038:2: error: redefinition of 'i2c_of_match_device' 1038 | *i2c_of_match_device(const struct of_device_id *matches, | ^~~~~~~~~~~~~~~~~~~ include/linux/i2c.h:1031:2: note: previous definition of 'i2c_of_match_device' with type 'const struct of_device_id *(const struct of_device_id *, struct i2c_client *)' 1031 | *i2c_of_match_device(const struct of_device_id *matches, | ^~~~~~~~~~~~~~~~~~~ drivers/i2c/i2c-core-base.c: In function 'i2c_device_get_match_data': >> drivers/i2c/i2c-core-base.c:146:25: error: implicit declaration of function 'i2c_of_match_device_sysfs'; did you mean 'i2c_of_match_device'? [-Werror=implicit-function-declaration] 146 | match = i2c_of_match_device_sysfs(dev->driver->of_match_table, | ^~~~~~~~~~~~~~~~~~~~~~~~~ | i2c_of_match_device >> drivers/i2c/i2c-core-base.c:146:23: warning: assignment to 'const struct of_device_id *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 146 | match = i2c_of_match_device_sysfs(dev->driver->of_match_table, | ^ cc1: some warnings being treated as errors vim +146 drivers/i2c/i2c-core-base.c 128 129 static const void *i2c_device_get_match_data(const struct device *dev) 130 { 131 /* TODO: use i2c_verify_client() when it accepts const pointer */ 132 const struct i2c_client *client = (dev->type == &i2c_client_type) ? 133 to_i2c_client(dev) : NULL; 134 const void *data; 135 136 if (!dev->driver) 137 return NULL; 138 139 data = i2c_get_match_data_helper(to_i2c_driver(dev->driver), client); 140 if (data) 141 return data; 142 143 if (dev->driver->of_match_table) { 144 const struct of_device_id *match; 145 > 146 match = i2c_of_match_device_sysfs(dev->driver->of_match_table, 147 (struct i2c_client *)client); 148 if (match) 149 data = match->data; 150 } 151 152 return data; 153 } 154 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki