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Date:   Sat, 11 Nov 2023 15:52:04 +0800
From:   kernel test robot <lkp@...el.com>
To:     Krishna chaitanya chundru <quic_krichai@...cinc.com>,
        Manivannan Sadhasivam <mani@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Masami Hiramatsu <mhiramat@...nel.org>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        mhi@...ts.linux.dev, linux-arm-msm@...r.kernel.org,
        linux-trace-kernel@...r.kernel.org, quic_vbadigan@...cinc.com,
        quic_ramkri@...cinc.com, quic_nitegupt@...cinc.com,
        quic_skananth@...cinc.com, quic_parass@...cinc.com,
        Krishna chaitanya chundru <quic_krichai@...cinc.com>
Subject: Re: [PATCH v4] bus: mhi: host: Add tracing support

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: csky-randconfig-002-20231111 (https://download.01.org/0day-ci/archive/20231111/202311111502.wEcI1Okb-lkp@intel.com/config)
compiler: csky-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231111/202311111502.wEcI1Okb-lkp@intel.com/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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311111502.wEcI1Okb-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from include/trace/define_trace.h:102,
                    from drivers/bus/mhi/host/trace.h:225,
                    from drivers/bus/mhi/host/init.c:24:
   drivers/bus/mhi/host/./trace.h: In function 'trace_event_raw_event_mhi_process_ctrl_ev_ring':
>> drivers/bus/mhi/host/./trace.h:141:31: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     141 |                 __entry->rp = (u64)rp;
         |                               ^
   include/trace/trace_events.h:402:11: note: in definition of macro 'DECLARE_EVENT_CLASS'
     402 |         { assign; }                                                     \
         |           ^~~~~~
   include/trace/trace_events.h:44:30: note: in expansion of macro 'PARAMS'
      44 |                              PARAMS(assign),                   \
         |                              ^~~~~~
   drivers/bus/mhi/host/./trace.h:123:1: note: in expansion of macro 'TRACE_EVENT'
     123 | TRACE_EVENT(mhi_process_ctrl_ev_ring,
         | ^~~~~~~~~~~
   drivers/bus/mhi/host/./trace.h:139:9: note: in expansion of macro 'TP_fast_assign'
     139 |         TP_fast_assign(
         |         ^~~~~~~~~~~~~~
   In file included from include/trace/define_trace.h:103:
   drivers/bus/mhi/host/./trace.h: In function 'perf_trace_mhi_process_ctrl_ev_ring':
>> drivers/bus/mhi/host/./trace.h:141:31: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     141 |                 __entry->rp = (u64)rp;
         |                               ^
   include/trace/perf.h:51:11: note: in definition of macro 'DECLARE_EVENT_CLASS'
      51 |         { assign; }                                                     \
         |           ^~~~~~
   include/trace/trace_events.h:44:30: note: in expansion of macro 'PARAMS'
      44 |                              PARAMS(assign),                   \
         |                              ^~~~~~
   drivers/bus/mhi/host/./trace.h:123:1: note: in expansion of macro 'TRACE_EVENT'
     123 | TRACE_EVENT(mhi_process_ctrl_ev_ring,
         | ^~~~~~~~~~~
   drivers/bus/mhi/host/./trace.h:139:9: note: in expansion of macro 'TP_fast_assign'
     139 |         TP_fast_assign(
         |         ^~~~~~~~~~~~~~


vim +141 drivers/bus/mhi/host/./trace.h

   124	
   125		TP_PROTO(const char *name, struct mhi_ring_element *rp, __le64 ptr,
   126			 __le32 dword0, __le32 dword1),
   127	
   128		TP_ARGS(name, rp, ptr, dword0, dword1),
   129	
   130		TP_STRUCT__entry(
   131			__field(u64, rp)
   132			__field(__le64, ptr)
   133			__string(name, name)
   134			__field(__le32, dword0)
   135			__field(__le32, dword1)
   136			__field(int, state)
   137		),
   138	
   139		TP_fast_assign(
   140			__assign_str(name, name);
 > 141			__entry->rp = (u64)rp;
   142			__entry->ptr = ptr;
   143			__entry->dword0 = dword0;
   144			__entry->dword1 = dword1;
   145			__entry->state = MHI_TRE_GET_EV_STATE(rp);
   146		),
   147	
   148		TP_printk("%s: RP:0x%llx Processing Event:0x%llx 0x%08x 0x%08x state:%s\n",
   149			  __get_str(name), __entry->rp, __entry->ptr, __entry->dword0,
   150			  __entry->dword1, mhi_state_str(__entry->state))
   151	);
   152	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

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