[PATCH 3/5] media: mali-c55: Add Mali-C55 ISP driver

[kernel test robot]

Hi Daniel,

kernel test robot noticed the following build warnings:

[auto build test WARNING on media-tree/master]
[also build test WARNING on linuxtv-media-stage/master linus/master v6.8-rc2 next-20240131]
[cannot apply to sailus-media-tree/streams]
[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/Daniel-Scally/media-uapi-Add-MEDIA_BUS_FMT_RGB202020_1X60-format-code/20240201-005029
base:   git://linuxtv.org/media_tree.git master
patch link:    https://lore.kernel.org/r/20240131164709.810587-4-dan.scally%40ideasonboard.com
patch subject: [PATCH 3/5] media: mali-c55: Add Mali-C55 ISP driver
config: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20240201/202402011332.NzuDyrGr-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240201/202402011332.NzuDyrGr-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202402011332.NzuDyrGr-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/media/platform/arm/mali-c55/mali-c55-capture.c:286:8: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
     286 | static const char * const mali_c55_cap_dev_to_name(struct mali_c55_cap_dev *cap)
         |        ^~~~~
--
   drivers/media/platform/arm/mali-c55/mali-c55-tpg.c: In function 'mali_c55_tpg_configure':
>> drivers/media/platform/arm/mali-c55/mali-c55-tpg.c:125:36: warning: variable 'fmt' set but not used [-Wunused-but-set-variable]
     125 |         struct v4l2_mbus_framefmt *fmt;
         |                                    ^~~


vim +286 drivers/media/platform/arm/mali-c55/mali-c55-capture.c

   285	
 > 286	static const char * const mali_c55_cap_dev_to_name(struct mali_c55_cap_dev *cap)
   287	{
   288		if (cap->reg_offset == MALI_C55_CAP_DEV_FR_REG_OFFSET)
   289			return capture_device_names[0];
   290		else if (cap->reg_offset == MALI_C55_CAP_DEV_DS_REG_OFFSET)
   291			return capture_device_names[1];
   292		else
   293			return "params/stat not supported yet";
   294	}
   295	

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