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Date:   Tue, 20 Jun 2023 18:53:57 +0800
From:   kernel test robot <lkp@intel.com>
To:     Yuji Ishikawa <yuji2.ishikawa@toshiba.co.jp>,
        Hans Verkuil <hverkuil@xs4all.nl>,
        Sakari Ailus <sakari.ailus@iki.fi>,
        Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzk@kernel.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
Cc:     oe-kbuild-all@lists.linux.dev, linux-media@vger.kernel.org,
        devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH v6 2/5] media: platform: visconti: Add Toshiba Visconti
 Video Input Interface driver
Message-ID: <202306201839.92EOK4H7-lkp@intel.com>
References: <20230620031111.3776-3-yuji2.ishikawa@toshiba.co.jp>
MIME-Version: 1.0
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In-Reply-To: <20230620031111.3776-3-yuji2.ishikawa@toshiba.co.jp>
Precedence: bulk

Hi Yuji,

kernel test robot noticed the following build warnings:

[auto build test WARNING on media-tree/master]
[also build test WARNING on linus/master]
[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/Yuji-Ishikawa/dt-bindings-media-platform-visconti-Add-Toshiba-Visconti-Video-Input-Interface-bindings/20230620-120839
base:   git://linuxtv.org/media_tree.git master
patch link:    https://lore.kernel.org/r/20230620031111.3776-3-yuji2.ishikawa%40toshiba.co.jp
patch subject: [PATCH v6 2/5] media: platform: visconti: Add Toshiba Visconti Video Input Interface driver
config: arm64-allyesconfig (https://download.01.org/0day-ci/archive/20230620/202306201839.92EOK4H7-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230620/202306201839.92EOK4H7-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306201839.92EOK4H7-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/media/platform/toshiba/visconti/viif.c:182:6: warning: no previous prototype for 'visconti_viif_hw_on' [-Wmissing-prototypes]
     182 | void visconti_viif_hw_on(struct viif_device *viif_dev)
         |      ^~~~~~~~~~~~~~~~~~~
>> drivers/media/platform/toshiba/visconti/viif.c:190:6: warning: no previous prototype for 'visconti_viif_hw_off' [-Wmissing-prototypes]
     190 | void visconti_viif_hw_off(struct viif_device *viif_dev)
         |      ^~~~~~~~~~~~~~~~~~~~
   drivers/media/platform/toshiba/visconti/viif.c: In function 'visconti_viif_probe':
>> drivers/media/platform/toshiba/visconti/viif.c:500:36: warning: variable 'of_id' set but not used [-Wunused-but-set-variable]
     500 |         const struct of_device_id *of_id;
         |                                    ^~~~~
--
>> drivers/media/platform/toshiba/visconti/viif_capture.c:604:6: warning: no previous prototype for 'visconti_viif_capture_switch_buffer' [-Wmissing-prototypes]
     604 | void visconti_viif_capture_switch_buffer(struct cap_dev *cap_dev, u32 status_err,
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/media/platform/toshiba/visconti/viif_capture.c:1325:5: warning: no previous prototype for 'visconti_viif_capture_register_ctrl_handlers' [-Wmissing-prototypes]
    1325 | int visconti_viif_capture_register_ctrl_handlers(struct viif_device *viif_dev)
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/media/platform/toshiba/visconti/viif_capture.c:1434:5: warning: no previous prototype for 'visconti_viif_capture_register' [-Wmissing-prototypes]
    1434 | int visconti_viif_capture_register(struct viif_device *viif_dev)
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/media/platform/toshiba/visconti/viif_capture.c:1476:6: warning: no previous prototype for 'visconti_viif_capture_unregister' [-Wmissing-prototypes]
    1476 | void visconti_viif_capture_unregister(struct viif_device *viif_dev)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
--
>> drivers/media/platform/toshiba/visconti/viif_isp.c:243:6: warning: no previous prototype for 'visconti_viif_l2_set_roi_path' [-Wmissing-prototypes]
     243 | void visconti_viif_l2_set_roi_path(struct viif_device *viif_dev)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/media/platform/toshiba/visconti/viif_isp.c:254:6: warning: no previous prototype for 'visconti_viif_l2_set_roi' [-Wmissing-prototypes]
     254 | void visconti_viif_l2_set_roi(struct viif_device *viif_dev, const struct viif_l2_roi_config *param)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/media/platform/toshiba/visconti/viif_isp.c:699:5: warning: no previous prototype for 'visconti_viif_isp_main_set_unit' [-Wmissing-prototypes]
     699 | int visconti_viif_isp_main_set_unit(struct viif_device *viif_dev)
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/media/platform/toshiba/visconti/viif_isp.c:773:5: warning: no previous prototype for 'visconti_viif_isp_sub_set_unit' [-Wmissing-prototypes]
     773 | int visconti_viif_isp_sub_set_unit(struct viif_device *viif_dev)
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/media/platform/toshiba/visconti/viif_isp.c:1177:6: warning: no previous prototype for 'visconti_viif_isp_set_compose_rect' [-Wmissing-prototypes]
    1177 | void visconti_viif_isp_set_compose_rect(struct viif_device *viif_dev,
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/media/platform/toshiba/visconti/viif_isp.c:1214:5: warning: no previous prototype for 'visconti_viif_isp_register' [-Wmissing-prototypes]
    1214 | int visconti_viif_isp_register(struct viif_device *viif_dev)
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/media/platform/toshiba/visconti/viif_isp.c:1265:6: warning: no previous prototype for 'visconti_viif_isp_unregister' [-Wmissing-prototypes]
    1265 | void visconti_viif_isp_unregister(struct viif_device *viif_dev)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
--
   drivers/media/platform/toshiba/visconti/viif_isp.c:162: warning: Function parameter or member 'viif_dev' not described in 'viif_l2_set_roi_num_2'
   drivers/media/platform/toshiba/visconti/viif_isp.c:192: warning: Function parameter or member 'viif_dev' not described in 'viif_l2_set_roi_num_1'
   drivers/media/platform/toshiba/visconti/viif_isp.c:244: warning: Function parameter or member 'viif_dev' not described in 'visconti_viif_l2_set_roi_path'
   drivers/media/platform/toshiba/visconti/viif_isp.c:255: warning: Function parameter or member 'viif_dev' not described in 'visconti_viif_l2_set_roi'
   drivers/media/platform/toshiba/visconti/viif_isp.c:255: warning: Function parameter or member 'param' not described in 'visconti_viif_l2_set_roi'
>> drivers/media/platform/toshiba/visconti/viif_isp.c:255: warning: expecting prototype for viif_l2_set_roi(). Prototype was for visconti_viif_l2_set_roi() instead
   drivers/media/platform/toshiba/visconti/viif_isp.c:287: warning: duplicate section name 'Return'
   drivers/media/platform/toshiba/visconti/viif_isp.c:290: warning: Function parameter or member 'viif_dev' not described in 'viif_main_set_unit'
>> drivers/media/platform/toshiba/visconti/viif_isp.c:290: warning: expecting prototype for hwd_viif_main_set_unit(). Prototype was for viif_main_set_unit() instead
   drivers/media/platform/toshiba/visconti/viif_isp.c:482: warning: duplicate section name 'Return'
   drivers/media/platform/toshiba/visconti/viif_isp.c:485: warning: Function parameter or member 'viif_dev' not described in 'viif_sub_set_unit'
   drivers/media/platform/toshiba/visconti/viif_isp.c:538: warning: Function parameter or member 'viif_dev' not described in 'viif_mux_start'
   drivers/media/platform/toshiba/visconti/viif_isp.c:568: warning: duplicate section name 'Return'
   drivers/media/platform/toshiba/visconti/viif_isp.c:570: warning: Function parameter or member 'viif_dev' not described in 'viif_mux_stop'


vim +/visconti_viif_hw_on +182 drivers/media/platform/toshiba/visconti/viif.c

   178	
   179	/*=============================================*/
   180	/* handling V4L2 framework */
   181	/*=============================================*/
 > 182	void visconti_viif_hw_on(struct viif_device *viif_dev)
   183	{
   184		/* Disable MPU */
   185		viif_mpu_disable(viif_dev);
   186		/* Enable HWAIF */
   187		viif_hwaif_enable(viif_dev);
   188	}
   189	
 > 190	void visconti_viif_hw_off(struct viif_device *viif_dev)
   191	{
   192		/* Uninitialize HWD driver */
   193	}
   194	

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