Hi Eugen,

I love your patch! Perhaps something to improve:

[auto build test WARNING on media-tree/master]
[also build test WARNING on sailus-media-tree/streams soc/for-next linus/master v6.1-rc3 next-20221102]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Eugen-Hristev/media-atmel-atmel-isc-driver-redesign/20221102-211809
base:   git://linuxtv.org/media_tree.git master
patch link:    https://lore.kernel.org/r/20221102131500.476024-7-eugen.hristev%40microchip.com
patch subject: [PATCH v11 6/6] media: microchip: microchip-isc: move media_pipeline_* to (un)prepare cb
config: sparc-allyesconfig
compiler: sparc64-linux-gcc (GCC) 12.1.0
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
        # https://github.com/intel-lab-lkp/linux/commit/1a1878d4c57910ecb143eaf6056fbbac80c29027
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Eugen-Hristev/media-atmel-atmel-isc-driver-redesign/20221102-211809
        git checkout 1a1878d4c57910ecb143eaf6056fbbac80c29027
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc SHELL=/bin/bash drivers/media/

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

All warnings (new ones prefixed by >>):

   drivers/media/platform/microchip/microchip-isc-base.c:480:10: error: 'const struct vb2_ops' has no member named 'prepare_streaming'; did you mean 'start_streaming'?
     480 |         .prepare_streaming      = isc_prepare_streaming,
         |          ^~~~~~~~~~~~~~~~~
         |          start_streaming
   drivers/media/platform/microchip/microchip-isc-base.c:480:35: error: initialization of 'void (*)(struct vb2_buffer *)' from incompatible pointer type 'int (*)(struct vb2_queue *)' [-Werror=incompatible-pointer-types]
     480 |         .prepare_streaming      = isc_prepare_streaming,
         |                                   ^~~~~~~~~~~~~~~~~~~~~
   drivers/media/platform/microchip/microchip-isc-base.c:480:35: note: (near initialization for 'isc_vb2_ops.buf_request_complete')
   drivers/media/platform/microchip/microchip-isc-base.c:481:10: error: 'const struct vb2_ops' has no member named 'unprepare_streaming'; did you mean 'start_streaming'?
     481 |         .unprepare_streaming    = isc_unprepare_streaming,
         |          ^~~~~~~~~~~~~~~~~~~
         |          start_streaming
>> drivers/media/platform/microchip/microchip-isc-base.c:481:35: warning: excess elements in struct initializer
     481 |         .unprepare_streaming    = isc_unprepare_streaming,
         |                                   ^~~~~~~~~~~~~~~~~~~~~~~
   drivers/media/platform/microchip/microchip-isc-base.c:481:35: note: (near initialization for 'isc_vb2_ops')
   cc1: some warnings being treated as errors


vim +481 drivers/media/platform/microchip/microchip-isc-base.c

   471	
   472	static const struct vb2_ops isc_vb2_ops = {
   473		.queue_setup		= isc_queue_setup,
   474		.wait_prepare		= vb2_ops_wait_prepare,
   475		.wait_finish		= vb2_ops_wait_finish,
   476		.buf_prepare		= isc_buffer_prepare,
   477		.start_streaming	= isc_start_streaming,
   478		.stop_streaming		= isc_stop_streaming,
   479		.buf_queue		= isc_buffer_queue,
   480		.prepare_streaming	= isc_prepare_streaming,
 > 481		.unprepare_streaming	= isc_unprepare_streaming,
   482	};
   483	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp