[ti:ti-linux-5.10.y-cicd 15656/22025] drivers/media/v4l2-core/v4l2-subdev.c:917:17: error: implicit declaration of function '__v4l2_subdev_state_alloc'

[ti:ti-linux-5.10.y-cicd 15656/22025] drivers/media/v4l2-core/v4l2-subdev.c:917:17: error: implicit declaration of function '__v4l2_subdev_state_alloc'

[kernel test robot]

Hi Tomi,

FYI, the error/warning still remains.

tree:   git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git ti-linux-5.10.y-cicd
head:   991c5ce91e43cb620f534dc9fe7b0ad21f4f4388
commit: 6aadd6b6f27234516b19f8d6d4d102184d70d394 [15656/22025] media: subdev: add active state to struct v4l2_subdev
config: nios2-randconfig-r035-20230403 (https://download.01.org/0day-ci/archive/20230407/202304072232.p6L2AkQm-lkp@intel.com/config)
compiler: nios2-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
        git remote add ti git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git
        git fetch --no-tags ti ti-linux-5.10.y-cicd
        git checkout 6aadd6b6f27234516b19f8d6d4d102184d70d394
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=nios2 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=nios2 SHELL=/bin/bash drivers/media/v4l2-core/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304072232.p6L2AkQm-lkp@intel.com/

All error/warnings (new ones prefixed by >>):

   drivers/media/v4l2-core/v4l2-subdev.c: In function 'v4l2_subdev_init_finalize':
>> drivers/media/v4l2-core/v4l2-subdev.c:917:17: error: implicit declaration of function '__v4l2_subdev_state_alloc' [-Werror=implicit-function-declaration]
     917 |         state = __v4l2_subdev_state_alloc(sd);
         |                 ^~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/media/v4l2-core/v4l2-subdev.c:917:15: warning: assignment to 'struct v4l2_subdev_state *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
     917 |         state = __v4l2_subdev_state_alloc(sd);
         |               ^
   drivers/media/v4l2-core/v4l2-subdev.c: In function 'v4l2_subdev_cleanup':
>> drivers/media/v4l2-core/v4l2-subdev.c:929:9: error: implicit declaration of function '__v4l2_subdev_state_free' [-Werror=implicit-function-declaration]
     929 |         __v4l2_subdev_state_free(sd->state);
         |         ^~~~~~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +/__v4l2_subdev_state_alloc +917 drivers/media/v4l2-core/v4l2-subdev.c

   912	
   913	int v4l2_subdev_init_finalize(struct v4l2_subdev *sd)
   914	{
   915		struct v4l2_subdev_state *state;
   916	
 > 917		state = __v4l2_subdev_state_alloc(sd);
   918		if (IS_ERR(state))
   919			return PTR_ERR(state);
   920	
   921		sd->state = state;
   922	
   923		return 0;
   924	}
   925	EXPORT_SYMBOL_GPL(v4l2_subdev_init_finalize);
   926	
   927	void v4l2_subdev_cleanup(struct v4l2_subdev *sd)
   928	{
 > 929		__v4l2_subdev_state_free(sd->state);

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