[tegra-drm:drm/tegra/for-next 1/14] drivers/gpu/host1x/fence.c:168:5: warning: no previous prototype for 'host1x_fence_create_fd'

[kernel test robot]

tree:   git://anongit.freedesktop.org/tegra/linux.git drm/tegra/for-next
head:   b19502d1a683c11f6f2c92ad63c61288b0fbe1a1
commit: ad0529424defbbe0b6a154cc100e82c1a9f91400 [1/14] gpu: host1x: Add DMA 
fence implementation
config: arm-defconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0
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
        git remote add tegra-drm git://anongit.freedesktop.org/tegra/linux.git
        git fetch --no-tags tegra-drm drm/tegra/for-next
        git checkout ad0529424defbbe0b6a154cc100e82c1a9f91400
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm 

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

All warnings (new ones prefixed by >>):

>> drivers/gpu/host1x/fence.c:168:5: warning: no previous prototype for 
>> 'host1x_fence_create_fd' [-Wmissing-prototypes]
     168 | int host1x_fence_create_fd(struct host1x_syncpt *sp, u32 threshold)
         |     ^~~~~~~~~~~~~~~~~~~~~~


vim +/host1x_fence_create_fd +168 drivers/gpu/host1x/fence.c

   167  
 > 168  int host1x_fence_create_fd(struct host1x_syncpt *sp, u32 threshold)
   169  {
   170          struct sync_file *file;
   171          struct dma_fence *f;
   172          int fd;
   173  
   174          f = host1x_fence_create(sp, threshold);
   175          if (IS_ERR(f))
   176                  return PTR_ERR(f);
   177  
   178          fd = get_unused_fd_flags(O_CLOEXEC);
   179          if (fd < 0) {
   180                  dma_fence_put(f);
   181                  return fd;
   182          }
   183  
   184          file = sync_file_create(f);
   185          dma_fence_put(f);
   186          if (!file)
   187                  return -ENOMEM;
   188  
   189          fd_install(fd, file->file);
   190  
   191          return fd;
   192  }
   193  EXPORT_SYMBOL(host1x_fence_create_fd);
   194  

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

.config.gz
Description: application/gzip