Hi Krishna, kernel test robot noticed the following build warnings: [auto build test WARNING on 3006adf3be79cde4d14b1800b963b82b6e5572e0] url: https://github.com/intel-lab-lkp/linux/commits/Krishna-chaitanya-chundru/bus-mhi-host-Add-tracing-support/20231111-135816 base: 3006adf3be79cde4d14b1800b963b82b6e5572e0 patch link: https://lore.kernel.org/r/20231111-ftrace_support-v4-1-c83602399461%40quicinc.com patch subject: [PATCH v4] bus: mhi: host: Add tracing support config: x86_64-randconfig-123-20231111 (https://download.01.org/0day-ci/archive/20231111/202311112133.5QrqkZ0r-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231111/202311112133.5QrqkZ0r-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202311112133.5QrqkZ0r-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) drivers/bus/mhi/host/init.c: note: in included file (through include/trace/trace_events.h, include/trace/define_trace.h, drivers/bus/mhi/host/trace.h): >> drivers/bus/mhi/host/./trace.h:17:1: sparse: sparse: cast to restricted __le64 >> drivers/bus/mhi/host/./trace.h:17:1: sparse: sparse: restricted __le64 degrades to integer >> drivers/bus/mhi/host/./trace.h:17:1: sparse: sparse: restricted __le64 degrades to integer >> drivers/bus/mhi/host/./trace.h:17:1: sparse: sparse: cast to restricted __le32 >> drivers/bus/mhi/host/./trace.h:17:1: sparse: sparse: restricted __le32 degrades to integer >> drivers/bus/mhi/host/./trace.h:17:1: sparse: sparse: restricted __le32 degrades to integer >> drivers/bus/mhi/host/./trace.h:17:1: sparse: sparse: cast to restricted __le32 >> drivers/bus/mhi/host/./trace.h:17:1: sparse: sparse: restricted __le32 degrades to integer >> drivers/bus/mhi/host/./trace.h:17:1: sparse: sparse: restricted __le32 degrades to integer drivers/bus/mhi/host/./trace.h:99:1: sparse: sparse: cast to restricted __le64 drivers/bus/mhi/host/./trace.h:99:1: sparse: sparse: restricted __le64 degrades to integer drivers/bus/mhi/host/./trace.h:99:1: sparse: sparse: restricted __le64 degrades to integer drivers/bus/mhi/host/./trace.h:99:1: sparse: sparse: cast to restricted __le32 drivers/bus/mhi/host/./trace.h:99:1: sparse: sparse: restricted __le32 degrades to integer drivers/bus/mhi/host/./trace.h:99:1: sparse: sparse: restricted __le32 degrades to integer drivers/bus/mhi/host/./trace.h:99:1: sparse: sparse: cast to restricted __le32 drivers/bus/mhi/host/./trace.h:99:1: sparse: sparse: restricted __le32 degrades to integer drivers/bus/mhi/host/./trace.h:99:1: sparse: sparse: restricted __le32 degrades to integer drivers/bus/mhi/host/./trace.h:123:1: sparse: sparse: cast to restricted __le64 drivers/bus/mhi/host/./trace.h:123:1: sparse: sparse: restricted __le64 degrades to integer drivers/bus/mhi/host/./trace.h:123:1: sparse: sparse: restricted __le64 degrades to integer drivers/bus/mhi/host/./trace.h:123:1: sparse: sparse: cast to restricted __le32 drivers/bus/mhi/host/./trace.h:123:1: sparse: sparse: restricted __le32 degrades to integer drivers/bus/mhi/host/./trace.h:123:1: sparse: sparse: restricted __le32 degrades to integer drivers/bus/mhi/host/./trace.h:123:1: sparse: sparse: cast to restricted __le32 drivers/bus/mhi/host/./trace.h:123:1: sparse: sparse: restricted __le32 degrades to integer drivers/bus/mhi/host/./trace.h:123:1: sparse: sparse: restricted __le32 degrades to integer vim +17 drivers/bus/mhi/host/./trace.h 16 > 17 TRACE_EVENT(mhi_gen_tre, 18 19 TP_PROTO(const char *name, int ch_num, u64 wp, __le64 tre_ptr, 20 __le32 dword0, __le32 dword1), 21 22 TP_ARGS(name, ch_num, wp, tre_ptr, dword0, dword1), 23 24 TP_STRUCT__entry( 25 __string(name, name) 26 __field(int, ch_num) 27 __field(u64, wp) 28 __field(__le64, tre_ptr) 29 __field(__le32, dword0) 30 __field(__le32, dword1) 31 ), 32 33 TP_fast_assign( 34 __assign_str(name, name); 35 __entry->ch_num = ch_num; 36 __entry->wp = wp; 37 __entry->tre_ptr = tre_ptr; 38 __entry->dword0 = dword0; 39 __entry->dword1 = dword1; 40 ), 41 42 TP_printk("%s: Chan: %d WP: 0x%llx TRE: 0x%llx 0x%08x 0x%08x\n", 43 __get_str(name), __entry->ch_num, __entry->wp, __entry->tre_ptr, 44 __entry->dword0, __entry->dword1) 45 ); 46 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki