Hi, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on jic23-iio/togreg] [also build test WARNING on linus/master v5.19-rc4 next-20220701] [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/andrea-merello-iit-it/Add-support-for-Bosch-BNO055-IMU/20220614-203754 base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20220703/202207030922.GDkeqL76-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project bcd153485ebf07fe79e2b843ed5f1cb74997df1b) 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/f37504a206ca4b342e184a1fc137f6c47f3960e9 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review andrea-merello-iit-it/Add-support-for-Bosch-BNO055-IMU/20220614-203754 git checkout f37504a206ca4b342e184a1fc137f6c47f3960e9 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/iio/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): In file included from drivers/iio/imu/bno055/bno055_ser_trace.c:13: In file included from drivers/iio/imu/bno055/./bno055_ser_trace.h:104: In file included from include/trace/define_trace.h:102: In file included from include/trace/trace_events.h:237: >> drivers/iio/imu/bno055/./bno055_ser_trace.h:92:9: warning: format specifies type 'int' but the argument has type 'size_t' (aka 'unsigned long') [-Wformat] __entry->len, __entry->len, __get_dynamic_array(buf) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/trace/stages/stage3_trace_output.h:6:17: note: expanded from macro '__entry' #define __entry field ^ include/trace/stages/stage3_trace_output.h:9:43: note: expanded from macro 'TP_printk' #define TP_printk(fmt, args...) fmt "\n", args ~~~ ^ include/trace/trace_events.h:45:16: note: expanded from macro 'TRACE_EVENT' PARAMS(print)); \ ~~~~~~~^~~~~~~ include/linux/tracepoint.h:107:25: note: expanded from macro 'PARAMS' #define PARAMS(args...) args ^~~~ include/trace/trace_events.h:203:27: note: expanded from macro 'DECLARE_EVENT_CLASS' trace_event_printf(iter, print); \ ^~~~~ In file included from drivers/iio/imu/bno055/bno055_ser_trace.c:13: In file included from drivers/iio/imu/bno055/./bno055_ser_trace.h:104: In file included from include/trace/define_trace.h:102: In file included from include/trace/trace_events.h:237: >> drivers/iio/imu/bno055/./bno055_ser_trace.h:91:36: warning: field width should have type 'int', but argument has type 'size_t' (aka 'unsigned long') [-Wformat] TP_printk("len: %d, data: = %*ph", ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~ include/trace/stages/stage3_trace_output.h:9:33: note: expanded from macro 'TP_printk' #define TP_printk(fmt, args...) fmt "\n", args ^~~ include/trace/trace_events.h:45:16: note: expanded from macro 'TRACE_EVENT' PARAMS(print)); \ ~~~~~~~^~~~~~~ include/linux/tracepoint.h:107:25: note: expanded from macro 'PARAMS' #define PARAMS(args...) args ^~~~ include/trace/trace_events.h:203:27: note: expanded from macro 'DECLARE_EVENT_CLASS' trace_event_printf(iter, print); \ ^~~~~ 2 warnings generated. vim +92 drivers/iio/imu/bno055/./bno055_ser_trace.h 78 79 TRACE_EVENT(recv, 80 TP_PROTO(size_t len, const unsigned char *buf), 81 TP_ARGS(len, buf), 82 TP_STRUCT__entry( 83 __field(size_t, len) 84 __dynamic_array(unsigned char, buf, len) 85 ), 86 TP_fast_assign( 87 __entry->len = len; 88 memcpy(__get_dynamic_array(buf), 89 buf, __entry->len); 90 ), > 91 TP_printk("len: %d, data: = %*ph", > 92 __entry->len, __entry->len, __get_dynamic_array(buf) 93 ) 94 ); 95 -- 0-DAY CI Kernel Test Service https://01.org/lkp
