Hi Eddie, I love your patch! Perhaps something to improve: [auto build test WARNING on wsa/i2c/for-next] [also build test WARNING on jic23-iio/togreg linux/master linus/master v5.18 next-20220527] [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] url: https://github.com/intel-lab-lkp/linux/commits/Eddie-James/i2c-core-Add-mux-root-adapter-operations/20220527-050852 base: https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git i2c/for-next reproduce: make htmldocs If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> include/linux/i2c.h:858: warning: expecting prototype for i2c_unlock_deslect_bus(). Prototype was for i2c_unlock_deselect_bus() instead vim +858 include/linux/i2c.h 852 853 /** 854 * i2c_unlock_deslect_bus - Release exclusive access to the root I2C bus 855 * @adapter: Target I2C bus 856 */ 857 static inline void i2c_unlock_deselect_bus(struct i2c_adapter *adapter) > 858 { 859 adapter->mux_root_ops->unlock_deselect(adapter); 860 } 861 -- 0-DAY CI Kernel Test Service https://01.org/lkp