tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   0a924817d2ed9396401e0557c6134276d2e26382
commit: 0c078e310b6d16b9b9489bbc7bc1476430d19a7c media: visl: add virtual stateless decoder driver
date:   4 weeks ago
config: nios2-randconfig-s043-20221218
compiler: nios2-linux-gcc (GCC) 12.1.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0c078e310b6d16b9b9489bbc7bc1476430d19a7c
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 0c078e310b6d16b9b9489bbc7bc1476430d19a7c
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=nios2 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=nios2 SHELL=/bin/bash drivers/media/test-drivers/visl/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>

sparse warnings: (new ones prefixed by >>)
>> drivers/media/test-drivers/visl/visl-video.c:690:22: sparse: sparse: symbol 'visl_qops' was not declared. Should it be static?

vim +/visl_qops +690 drivers/media/test-drivers/visl/visl-video.c

   689	
 > 690	const struct vb2_ops visl_qops = {
   691		.queue_setup          = visl_queue_setup,
   692		.buf_out_validate     = visl_buf_out_validate,
   693		.buf_prepare          = visl_buf_prepare,
   694		.buf_queue            = visl_buf_queue,
   695		.start_streaming      = visl_start_streaming,
   696		.stop_streaming       = visl_stop_streaming,
   697		.wait_prepare         = vb2_ops_wait_prepare,
   698		.wait_finish          = vb2_ops_wait_finish,
   699		.buf_request_complete = visl_buf_request_complete,
   700	};
   701	

-- 
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https://01.org/lkp