drivers/ptp/ptp_ines.c:837:34: warning: unused variable 'ines_ptp_ctrl_of_match'

[kernel test robot]

Hi Richard,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   d8b9faec54ae4bc2fff68bcd0befa93ace8256ce
commit: bad1eaa6ac312ffd7aa46dd5a4d9843b824aa023 ptp: Add a driver for InES time stamping IP core.
date:   7 months ago
config: x86_64-randconfig-r036-20200731 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c23ae3f18ee3ff11671f4c62ffc66d150b1bcdc2)
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 x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        git checkout bad1eaa6ac312ffd7aa46dd5a4d9843b824aa023
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

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

All warnings (new ones prefixed by >>):

   drivers/ptp/ptp_ines.c:481:37: warning: format specifies type 'unsigned char' but the argument has type 'int' [-Wformat]
                             tag_to_msgtype(ts->tag & 0x7), *msgtype & 0xf);
                                                            ^~~~~~~~~~~~~~
   include/linux/device.h:1784:39: note: expanded from macro 'dev_dbg'
           dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
                                        ~~~     ^~~~~~~~~~~
   include/linux/dynamic_debug.h:158:19: note: expanded from macro 'dynamic_dev_dbg'
                              dev, fmt, ##__VA_ARGS__)
                                   ~~~    ^~~~~~~~~~~
   include/linux/dynamic_debug.h:143:56: note: expanded from macro '_dynamic_func_call'
           __dynamic_func_call(__UNIQUE_ID(ddebug), fmt, func, ##__VA_ARGS__)
                                                                 ^~~~~~~~~~~
   include/linux/dynamic_debug.h:125:15: note: expanded from macro '__dynamic_func_call'
                   func(&id, ##__VA_ARGS__);               \
                               ^~~~~~~~~~~
   drivers/ptp/ptp_ines.c:491:19: warning: format specifies type 'unsigned short' but the argument has type 'int' [-Wformat]
                             ts->portnum, ntohs(*portn));
                                          ^~~~~~~~~~~~~
   include/linux/device.h:1784:39: note: expanded from macro 'dev_dbg'
           dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
                                        ~~~     ^~~~~~~~~~~
   include/linux/dynamic_debug.h:158:19: note: expanded from macro 'dynamic_dev_dbg'
                              dev, fmt, ##__VA_ARGS__)
                                   ~~~    ^~~~~~~~~~~
   include/linux/dynamic_debug.h:143:56: note: expanded from macro '_dynamic_func_call'
           __dynamic_func_call(__UNIQUE_ID(ddebug), fmt, func, ##__VA_ARGS__)
                                                                 ^~~~~~~~~~~
   note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
   include/linux/byteorder/generic.h:137:21: note: expanded from macro '___ntohs'
   #define ___ntohs(x) __be16_to_cpu(x)
                       ^~~~~~~~~~~~~~~~
   include/uapi/linux/byteorder/little_endian.h:42:26: note: expanded from macro '__be16_to_cpu'
   #define __be16_to_cpu(x) __swab16((__force __u16)(__be16)(x))
                            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/uapi/linux/swab.h:104:2: note: expanded from macro '__swab16'
           (__builtin_constant_p((__u16)(x)) ?     \
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/ptp/ptp_ines.c:496:17: warning: format specifies type 'unsigned short' but the argument has type 'int' [-Wformat]
                             ts->seqid, ntohs(*seqid));
                                        ^~~~~~~~~~~~~
   include/linux/device.h:1784:39: note: expanded from macro 'dev_dbg'
           dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
                                        ~~~     ^~~~~~~~~~~
   include/linux/dynamic_debug.h:158:19: note: expanded from macro 'dynamic_dev_dbg'
                              dev, fmt, ##__VA_ARGS__)
                                   ~~~    ^~~~~~~~~~~
   include/linux/dynamic_debug.h:143:56: note: expanded from macro '_dynamic_func_call'
           __dynamic_func_call(__UNIQUE_ID(ddebug), fmt, func, ##__VA_ARGS__)
                                                                 ^~~~~~~~~~~
   note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
   include/linux/byteorder/generic.h:137:21: note: expanded from macro '___ntohs'
   #define ___ntohs(x) __be16_to_cpu(x)
                       ^~~~~~~~~~~~~~~~
   include/uapi/linux/byteorder/little_endian.h:42:26: note: expanded from macro '__be16_to_cpu'
   #define __be16_to_cpu(x) __swab16((__force __u16)(__be16)(x))
                            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/uapi/linux/swab.h:104:2: note: expanded from macro '__swab16'
           (__builtin_constant_p((__u16)(x)) ?     \
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/ptp/ptp_ines.c:837:34: warning: unused variable 'ines_ptp_ctrl_of_match' [-Wunused-const-variable]
   static const struct of_device_id ines_ptp_ctrl_of_match[] = {
                                    ^
   4 warnings generated.

vim +/ines_ptp_ctrl_of_match +837 drivers/ptp/ptp_ines.c

   836	
 > 837	static const struct of_device_id ines_ptp_ctrl_of_match[] = {
   838		{ .compatible = "ines,ptp-ctrl" },
   839		{ }
   840	};
   841	

---
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