linux-kernel - drivers/remoteproc/qcom_q6v5_pas.c:108:6: warning: no previous prototype for function 'adsp_segment

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Message-ID: <202306072353.uUeUzI6M-lkp@intel.com>
Date:   Wed, 7 Jun 2023 23:11:56 +0800
From:   kernel test robot <lkp@...el.com>
To:     Yogesh Lal <quic_ylal@...cinc.com>
Cc:     llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
        linux-kernel@...r.kernel.org,
        Bjorn Andersson <andersson@...nel.org>,
        Sibi Sankar <quic_sibis@...cinc.com>
Subject: drivers/remoteproc/qcom_q6v5_pas.c:108:6: warning: no previous
 prototype for function 'adsp_segment_dump'

Hi Yogesh,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   a4d7d701121981e3c3fe69ade376fe9f26324161
commit: a376c10d45a8e6ee5ea55791193f90625b35e156 remoteproc: qcom: pas: Adjust the phys addr wrt the mem region
date:   4 months ago
config: arm64-buildonly-randconfig-r005-20230607 (https://download.01.org/0day-ci/archive/20230607/202306072353.uUeUzI6M-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce (this is a W=1 build):
        mkdir -p ~/bin
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a376c10d45a8e6ee5ea55791193f90625b35e156
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout a376c10d45a8e6ee5ea55791193f90625b35e156
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=arm64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/remoteproc/

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/202306072353.uUeUzI6M-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/remoteproc/qcom_q6v5_pas.c:108:6: warning: no previous prototype for function 'adsp_segment_dump' [-Wmissing-prototypes]
     108 | void adsp_segment_dump(struct rproc *rproc, struct rproc_dump_segment *segment,
         |      ^
   drivers/remoteproc/qcom_q6v5_pas.c:108:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
     108 | void adsp_segment_dump(struct rproc *rproc, struct rproc_dump_segment *segment,
         | ^
         | static 
   1 warning generated.


vim +/adsp_segment_dump +108 drivers/remoteproc/qcom_q6v5_pas.c

   107	
 > 108	void adsp_segment_dump(struct rproc *rproc, struct rproc_dump_segment *segment,
   109			       void *dest, size_t offset, size_t size)
   110	{
   111		struct qcom_adsp *adsp = rproc->priv;
   112		int total_offset;
   113	
   114		total_offset = segment->da + segment->offset + offset - adsp->mem_phys;
   115		if (total_offset < 0 || total_offset + size > adsp->mem_size) {
   116			dev_err(adsp->dev,
   117				"invalid copy request for segment %pad with offset %zu and size %zu)\n",
   118				&segment->da, offset, size);
   119			memset(dest, 0xff, size);
   120			return;
   121		}
   122	
   123		memcpy_fromio(dest, adsp->mem_region + total_offset, size);
   124	}
   125	

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