Hi Serge, I love your patch! Yet something to improve: [auto build test ERROR on robh/for-next] [also build test ERROR on char-misc/char-misc-testing staging/staging-testing linus/master v5.7-rc7 next-20200526] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Serge-Semin/bus-memory-Add-Baikal-T1-SoC-APB-AXI-L2-drivers/20200526-210837 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next config: i386-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 reproduce (this is a W=1 build): # 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: kbuild test robot All errors (new ones prefixed by >>, old ones prefixed by <<): >> drivers/bus/bt1-axi.c:301:34: error: array type has incomplete element type 'struct of_device_id' 301 | static const struct of_device_id bt1_axi_of_match[] = { | ^~~~~~~~~~~~~~~~ >> drivers/bus/bt1-axi.c:302:4: error: field name not in record or union initializer 302 | { .compatible = "baikal,bt1-axi" }, | ^ drivers/bus/bt1-axi.c:302:4: note: (near initialization for 'bt1_axi_of_match') drivers/bus/bt1-axi.c:301:34: warning: 'bt1_axi_of_match' defined but not used [-Wunused-variable] 301 | static const struct of_device_id bt1_axi_of_match[] = { | ^~~~~~~~~~~~~~~~ vim +301 drivers/bus/bt1-axi.c 300 > 301 static const struct of_device_id bt1_axi_of_match[] = { > 302 { .compatible = "baikal,bt1-axi" }, 303 { } 304 }; 305 MODULE_DEVICE_TABLE(of, bt1_axi_of_match); 306 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org