Re: [PATCH v2 2/3] usb: typec: USB Power Deliver helpers for ports and partners

[kernel test robot <lkp@intel.com>]

Hi Heikki,

I love your patch! Perhaps something to improve:

[auto build test WARNING on usb/usb-testing]
[also build test WARNING on chrome-platform/for-next v5.18-rc2 next-20220412]
[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/Heikki-Krogerus/usb-typec-Separate-sysfs-directory-for-all-USB-PD-objects/20220412-211628
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
config: i386-randconfig-a004-20220411 (https://download.01.org/0day-ci/archive/20220413/202204130102.YjEnm3E0-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project fe2478d44e4f7f191c43fef629ac7a23d0251e72)
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
        # https://github.com/intel-lab-lkp/linux/commit/98fece77872792e49f1005617761a533089f319d
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Heikki-Krogerus/usb-typec-Separate-sysfs-directory-for-all-USB-PD-objects/20220412-211628
        git checkout 98fece77872792e49f1005617761a533089f319d
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/usb/typec/

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

All warnings (new ones prefixed by >>):

>> drivers/usb/typec/class.c:30:27: warning: unused variable 'cap_name' [-Wunused-const-variable]
   static const char * const cap_name[] = {
                             ^
   1 warning generated.
--
>> drivers/usb/typec/pd.c:669: warning: expecting prototype for pd_register(). Prototype was for pd_unregister() instead
>> drivers/usb/typec/pd.c:717: warning: expecting prototype for pd_link_device(). Prototype was for pd_unlink_device() instead
--
>> drivers/usb/typec/class.c:1222: warning: expecting prototype for typec_port_set_pd_capabilities(). Prototype was for typec_port_set_pd() instead


vim +/cap_name +30 drivers/usb/typec/class.c

    29	
  > 30	static const char * const cap_name[] = {
    31		[TYPEC_SINK]		= "sink-capabilities",
    32		[TYPEC_SOURCE]		= "source-capabilities",
    33	};
    34	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp