Re: [PATCH 1/2] i2c: consider devices with of_match_table during i2c device probing

[kernel test robot]

Hi Sergey,

I love your patch! Perhaps something to improve:

[auto build test WARNING on v5.9-rc2]
[cannot apply to wsa/i2c/for-next next-20200826]
[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/0day-ci/linux/commits/Sergey-Senozhatsky/i2c-consider-devices-with-of_match_table-during-i2c-device-probing/20200826-123138
base:    d012a7190fc1fd72ed48911e77ca97ba4521bccd
config: arm64-randconfig-r002-20200826 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 7cfcecece0e0430937cf529ce74d3a071a4dedc6)
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
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

   In file included from drivers/i2c/i2c-boardinfo.c:13:
>> drivers/i2c/i2c-core.h:68:6: warning: no previous prototype for function 'i2c_acpi_match_device' [-Wmissing-prototypes]
   bool i2c_acpi_match_device(struct device *dev, struct i2c_client *client)
        ^
   drivers/i2c/i2c-core.h:68:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   bool i2c_acpi_match_device(struct device *dev, struct i2c_client *client)
   ^
   static 
   1 warning generated.

# https://github.com/0day-ci/linux/commit/8cfc5676303d021ce274c0b608cac342b4aeda55
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Sergey-Senozhatsky/i2c-consider-devices-with-of_match_table-during-i2c-device-probing/20200826-123138
git checkout 8cfc5676303d021ce274c0b608cac342b4aeda55
vim +/i2c_acpi_match_device +68 drivers/i2c/i2c-core.h

    64	
    65	int i2c_acpi_get_irq(struct i2c_client *client);
    66	#else /* CONFIG_ACPI */
    67	static inline void i2c_acpi_register_devices(struct i2c_adapter *adap) { }
  > 68	bool i2c_acpi_match_device(struct device *dev, struct i2c_client *client)
    69	{
    70		return false;
    71	}
    72	

---
0-DAY CI Kernel Test Service, Intel Corporation
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