Re: [PATCH net-next 4/4] ptp: ptp_ines: use enum ptp_msg_type

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

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Hi Christian,

I love your patch! Yet something to improve:

[auto build test ERROR on net-next/master]

url:    https://github.com/0day-ci/linux/commits/Christian-Eggers/net-ptp-introduce-enum-ptp_msg_type/20201118-033828
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 72308ecbf33b145641aba61071be31a85ebfd92c
config: sh-allmodconfig (attached as .config)
compiler: sh4-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
        # https://github.com/0day-ci/linux/commit/c4e4cfcabe3201e2ece90cc9025894e4ed08f069
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Christian-Eggers/net-ptp-introduce-enum-ptp_msg_type/20201118-033828
        git checkout c4e4cfcabe3201e2ece90cc9025894e4ed08f069
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sh 

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

All error/warnings (new ones prefixed by >>):

>> drivers/ptp/ptp_ines.c:690:26: error: conflicting types for 'tag_to_msgtype'
     690 | static enum ptp_msg_type tag_to_msgtype(u8 tag)
         |                          ^~~~~~~~~~~~~~
   drivers/ptp/ptp_ines.c:178:11: note: previous declaration of 'tag_to_msgtype' was here
     178 | static u8 tag_to_msgtype(u8 tag);
         |           ^~~~~~~~~~~~~~
>> drivers/ptp/ptp_ines.c:178:11: warning: 'tag_to_msgtype' used but never defined
   drivers/ptp/ptp_ines.c:690:26: warning: 'tag_to_msgtype' defined but not used [-Wunused-function]
     690 | static enum ptp_msg_type tag_to_msgtype(u8 tag)
         |                          ^~~~~~~~~~~~~~

vim +/tag_to_msgtype +690 drivers/ptp/ptp_ines.c

   689	
 > 690	static enum ptp_msg_type tag_to_msgtype(u8 tag)
   691	{
   692		switch (tag) {
   693		case MESSAGE_TYPE_SYNC:
   694			return PTP_MSGTYPE_SYNC;
   695		case MESSAGE_TYPE_P_DELAY_REQ:
   696			return PTP_MSGTYPE_PDELAY_REQ;
   697		case MESSAGE_TYPE_P_DELAY_RESP:
   698			return PTP_MSGTYPE_PDELAY_RESP;
   699		case MESSAGE_TYPE_DELAY_REQ:
   700			return PTP_MSGTYPE_DELAY_REQ;
   701		}
   702		return 0xf;
   703	}
   704	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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