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Date:   Fri, 20 Oct 2023 11:27:46 +0800
From:   kernel test robot <lkp@intel.com>
To:     Krishna chaitanya chundru <quic_krichai@quicinc.com>,
        Manivannan Sadhasivam <mani@kernel.org>,
        Steven Rostedt <rostedt@goodmis.org>,
        Masami Hiramatsu <mhiramat@kernel.org>
Cc:     oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org,
        mhi@lists.linux.dev, linux-arm-msm@vger.kernel.org,
        linux-trace-kernel@vger.kernel.org, quic_vbadigan@quicinc.com,
        quic_ramkri@quicinc.com, quic_nitegupt@quicinc.com,
        quic_skananth@quicinc.com, quic_parass@quicinc.com,
        Krishna chaitanya chundru <quic_krichai@quicinc.com>
Subject: Re: [PATCH v2] bus: mhi: host: Add tracing support
Message-ID: <202310201110.S903HmeD-lkp@intel.com>
References: <20231013-ftrace_support-v2-1-6e893ce010b5@quicinc.com>
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In-Reply-To: <20231013-ftrace_support-v2-1-6e893ce010b5@quicinc.com>
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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/20231017-120241
base:   3006adf3be79cde4d14b1800b963b82b6e5572e0
patch link:    https://lore.kernel.org/r/20231013-ftrace_support-v2-1-6e893ce010b5%40quicinc.com
patch subject: [PATCH v2] bus: mhi: host: Add tracing support
config: i386-randconfig-002-20231020 (https://download.01.org/0day-ci/archive/20231020/202310201110.S903HmeD-lkp@intel.com/config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231020/202310201110.S903HmeD-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202310201110.S903HmeD-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/bus/mhi/host/main.c:249:12: warning: no previous declaration for 'mhi_to_physical' [-Wmissing-declarations]
    dma_addr_t mhi_to_physical(struct mhi_ring *ring, void *addr)
               ^~~~~~~~~~~~~~~


vim +/mhi_to_physical +249 drivers/bus/mhi/host/main.c

   248	
 > 249	dma_addr_t mhi_to_physical(struct mhi_ring *ring, void *addr)
   250	{
   251		return (addr - ring->base) + ring->iommu_base;
   252	}
   253	

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