[sailus-media-tree:master 29/30] drivers/media/v4l2-core/v4l2-subdev.c:1040:15: error: implicit declaration of function 'v4l2_subdev_get_pad_format'; did you mean 'v4l2_subdev_get_fmt'?

[kernel test robot <lkp@intel.com>]

tree:   git://linuxtv.org/sailus/media_tree.git master
head:   bd1d801f302289ddbf86ff6c38fcc91aef8e7609
commit: c503509891473482b5e88fd8c3d7b81015432f1c [29/30] media: subdev: add v4l2_subdev_get_fmt() helper function
config: ia64-randconfig-r011-20220408 (https://download.01.org/0day-ci/archive/20220409/202204090639.C9t6QLg0-lkp@intel.com/config)
compiler: ia64-linux-gcc (GCC) 11.2.0
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 sailus-media-tree git://linuxtv.org/sailus/media_tree.git
        git fetch --no-tags sailus-media-tree master
        git checkout c503509891473482b5e88fd8c3d7b81015432f1c
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=ia64 SHELL=/bin/bash drivers/media/v4l2-core/

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

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

   In file included from arch/ia64/include/asm/pgtable.h:153,
                    from include/linux/pgtable.h:6,
                    from include/linux/mm.h:29,
                    from drivers/media/v4l2-core/v4l2-subdev.c:12:
   arch/ia64/include/asm/mmu_context.h: In function 'reload_context':
   arch/ia64/include/asm/mmu_context.h:127:48: warning: variable 'old_rr4' set but not used [-Wunused-but-set-variable]
     127 |         unsigned long rr0, rr1, rr2, rr3, rr4, old_rr4;
         |                                                ^~~~~~~
   drivers/media/v4l2-core/v4l2-subdev.c: In function 'v4l2_subdev_get_fmt':
>> drivers/media/v4l2-core/v4l2-subdev.c:1040:15: error: implicit declaration of function 'v4l2_subdev_get_pad_format'; did you mean 'v4l2_subdev_get_fmt'? [-Werror=implicit-function-declaration]
    1040 |         fmt = v4l2_subdev_get_pad_format(sd, state, format->pad);
         |               ^~~~~~~~~~~~~~~~~~~~~~~~~~
         |               v4l2_subdev_get_fmt
>> drivers/media/v4l2-core/v4l2-subdev.c:1040:13: warning: assignment to 'struct v4l2_mbus_framefmt *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
    1040 |         fmt = v4l2_subdev_get_pad_format(sd, state, format->pad);
         |             ^
   cc1: some warnings being treated as errors


vim +1040 drivers/media/v4l2-core/v4l2-subdev.c

  1031	
  1032	int v4l2_subdev_get_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_state *state,
  1033				struct v4l2_subdev_format *format)
  1034	{
  1035		struct v4l2_mbus_framefmt *fmt;
  1036	
  1037		if (format->pad >= sd->entity.num_pads)
  1038			return -EINVAL;
  1039	
> 1040		fmt = v4l2_subdev_get_pad_format(sd, state, format->pad);
  1041		if (!fmt)
  1042			return -EINVAL;
  1043	
  1044		format->format = *fmt;
  1045	
  1046		return 0;
  1047	}
  1048	EXPORT_SYMBOL_GPL(v4l2_subdev_get_fmt);
  1049	

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