linux-kernel - [thierryreding:for-5.16/work 64/64] drivers/gpu/host1x/syncpt.c:598:23: warning: no previous prototype for function 'host1x_syncpt_fd

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Date:   Sat, 18 Sep 2021 03:52:01 +0800
From:   kernel test robot <lkp@...el.com>
To:     Thierry Reding <treding@...dia.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: [thierryreding:for-5.16/work 64/64]
 drivers/gpu/host1x/syncpt.c:598:23: warning: no previous prototype for
 function 'host1x_syncpt_fd_get'

tree:   https://github.com/thierryreding/linux for-5.16/work
head:   5f4526d3acbf1f0383938963e5a104d1f6f7ab00
commit: 5f4526d3acbf1f0383938963e5a104d1f6f7ab00 [64/64] WIP
config: arm64-buildonly-randconfig-r006-20210916 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c8b3d7d6d6de37af68b2f379d0e37304f78e115f)
reproduce (this is a W=1 build):
        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://github.com/thierryreding/linux/commit/5f4526d3acbf1f0383938963e5a104d1f6f7ab00
        git remote add thierryreding https://github.com/thierryreding/linux
        git fetch --no-tags thierryreding for-5.16/work
        git checkout 5f4526d3acbf1f0383938963e5a104d1f6f7ab00
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=arm64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> drivers/gpu/host1x/syncpt.c:598:23: warning: no previous prototype for function 'host1x_syncpt_fd_get' [-Wmissing-prototypes]
   struct host1x_syncpt *host1x_syncpt_fd_get(int fd)
                         ^
   drivers/gpu/host1x/syncpt.c:598:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   struct host1x_syncpt *host1x_syncpt_fd_get(int fd)
   ^
   static 
   1 warning generated.


vim +/host1x_syncpt_fd_get +598 drivers/gpu/host1x/syncpt.c

   597	
 > 598	struct host1x_syncpt *host1x_syncpt_fd_get(int fd)

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (48257 bytes)