Hi Richard, FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 4525c8781ec0701ce824e8bd379ae1b129e26568 commit: bad1eaa6ac312ffd7aa46dd5a4d9843b824aa023 ptp: Add a driver for InES time stamping IP core. date: 10 months ago config: x86_64-randconfig-a014-20201027 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project f2c25c70791de95d2466e09b5b58fc37f6ccd7a4) 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 # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=bad1eaa6ac312ffd7aa46dd5a4d9843b824aa023 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master 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 <l...@intel.com> 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:1792:47: note: expanded from macro 'dev_dbg' dev_printk(KERN_DEBUG, dev, dev_fmt(fmt), ##__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:1792:47: note: expanded from macro 'dev_dbg' dev_printk(KERN_DEBUG, dev, dev_fmt(fmt), ##__VA_ARGS__); \ ~~~ ^~~~~~~~~~~ include/linux/byteorder/generic.h:142:18: note: expanded from macro 'ntohs' #define ntohs(x) ___ntohs(x) ^~~~~~~~~~~ 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:1792:47: note: expanded from macro 'dev_dbg' dev_printk(KERN_DEBUG, dev, dev_fmt(fmt), ##__VA_ARGS__); \ ~~~ ^~~~~~~~~~~ include/linux/byteorder/generic.h:142:18: note: expanded from macro 'ntohs' #define ntohs(x) ___ntohs(x) ^~~~~~~~~~~ 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 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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