Hi Lee, I love your patch! Yet something to improve: [auto build test ERROR on ljones-mfd/for-mfd-next] [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/Lee-Jones/mfd-Add-I2C-based-System-Configuaration-SYSCON-access/20200617-013251 base: https://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git for-mfd-next config: h8300-allmodconfig (attached as .config) compiler: h8300-linux-gcc (GCC) 9.3.0 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 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=h8300 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>, old ones prefixed by <<): h8300-linux-ld: drivers/base/regmap/regmap-i2c.o: in function `regmap_smbus_byte_reg_read': >> regmap-i2c.c:(.text+0x167): undefined reference to `i2c_smbus_read_byte_data' h8300-linux-ld: drivers/base/regmap/regmap-i2c.o: in function `regmap_smbus_byte_reg_write': >> regmap-i2c.c:(.text+0x1a7): undefined reference to `i2c_smbus_write_byte_data' h8300-linux-ld: drivers/base/regmap/regmap-i2c.o: in function `regmap_smbus_word_reg_read': >> regmap-i2c.c:(.text+0x1d3): undefined reference to `i2c_smbus_read_word_data' h8300-linux-ld: drivers/base/regmap/regmap-i2c.o: in function `regmap_smbus_word_read_swapped': regmap-i2c.c:(.text+0x211): undefined reference to `i2c_smbus_read_word_data' h8300-linux-ld: drivers/base/regmap/regmap-i2c.o: in function `regmap_smbus_word_write_swapped': >> regmap-i2c.c:(.text+0x25b): undefined reference to `i2c_smbus_write_word_data' h8300-linux-ld: drivers/base/regmap/regmap-i2c.o: in function `regmap_smbus_word_reg_write': regmap-i2c.c:(.text+0x285): undefined reference to `i2c_smbus_write_word_data' h8300-linux-ld: drivers/base/regmap/regmap-i2c.o: in function `regmap_i2c_smbus_i2c_read': >> regmap-i2c.c:(.text+0x2c3): undefined reference to `i2c_smbus_read_i2c_block_data' h8300-linux-ld: drivers/base/regmap/regmap-i2c.o: in function `regmap_i2c_smbus_i2c_write': >> regmap-i2c.c:(.text+0x30d): undefined reference to `i2c_smbus_write_i2c_block_data' h8300-linux-ld: drivers/base/regmap/regmap-i2c.o: in function `regmap_i2c_read': >> regmap-i2c.c:(.text+0x37d): undefined reference to `i2c_transfer' h8300-linux-ld: drivers/base/regmap/regmap-i2c.o: in function `regmap_i2c_gather_write': regmap-i2c.c:(.text+0x431): undefined reference to `i2c_transfer' h8300-linux-ld: drivers/base/regmap/regmap-i2c.o: in function `regmap_i2c_write': >> regmap-i2c.c:(.text+0x485): undefined reference to `i2c_transfer_buffer_flags' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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