linux-kernel - Re: [PATCH v1 1/2] coresight: Add remote etm support

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Message-ID: <202311081053.fWRkXGH0-lkp@intel.com>
Date:   Wed, 8 Nov 2023 10:34:17 +0800
From:   kernel test robot <lkp@...el.com>
To:     Mao Jinlong <quic_jinlmao@...cinc.com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Mike Leach <mike.leach@...aro.org>,
        James Clark <james.clark@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     oe-kbuild-all@...ts.linux.dev,
        Mao Jinlong <quic_jinlmao@...cinc.com>,
        linux-kernel@...r.kernel.org, coresight@...ts.linaro.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        Yuanfang Zhang <quic_yuanfang@...cinc.com>,
        Tao Zhang <quic_taozha@...cinc.com>
Subject: Re: [PATCH v1 1/2] coresight: Add remote etm support

Hi Mao,

kernel test robot noticed the following build warnings:

[auto build test WARNING on next-20231107]
[cannot apply to robh/for-next linus/master v6.6 v6.6-rc7 v6.6-rc6 v6.6]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Mao-Jinlong/coresight-Add-remote-etm-support/20231107-141331
base:   next-20231107
patch link:    https://lore.kernel.org/r/20231107060939.13449-2-quic_jinlmao%40quicinc.com
patch subject: [PATCH v1 1/2] coresight: Add remote etm support
config: arm64-allyesconfig (https://download.01.org/0day-ci/archive/20231108/202311081053.fWRkXGH0-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231108/202311081053.fWRkXGH0-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/202311081053.fWRkXGH0-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/hwtracing/coresight/coresight-remote-etm.c:312:12: warning: no previous prototype for 'remote_etm_init' [-Wmissing-prototypes]
     312 | int __init remote_etm_init(void)
         |            ^~~~~~~~~~~~~~~
>> drivers/hwtracing/coresight/coresight-remote-etm.c:318:13: warning: no previous prototype for 'remote_etm_exit' [-Wmissing-prototypes]
     318 | void __exit remote_etm_exit(void)
         |             ^~~~~~~~~~~~~~~


vim +/remote_etm_init +312 drivers/hwtracing/coresight/coresight-remote-etm.c

   311	
 > 312	int __init remote_etm_init(void)
   313	{
   314		return platform_driver_register(&remote_etm_driver);
   315	}
   316	module_init(remote_etm_init);
   317	
 > 318	void __exit remote_etm_exit(void)
   319	{
   320		platform_driver_unregister(&remote_etm_driver);
   321	}
   322	module_exit(remote_etm_exit);
   323	

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