linux-kernel - Re: [PATCH 4/5] media: vcodec: Implement manual request completion

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Message-ID: <202503151824.EfaOfTwf-lkp@intel.com>
Date: Sat, 15 Mar 2025 18:36:04 +0800
From: kernel test robot <lkp@...el.com>
To: Sebastian Fricke <sebastian.fricke@...labora.com>,
	Sakari Ailus <sakari.ailus@...ux.intel.com>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	Hans Verkuil <hverkuil@...all.nl>,
	Tiffany Lin <tiffany.lin@...iatek.com>,
	Andrew-CT Chen <andrew-ct.chen@...iatek.com>,
	Yunfei Dong <yunfei.dong@...iatek.com>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-media@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org, kernel@...labora.com,
	Sebastian Fricke <sebastian.fricke@...labora.com>
Subject: Re: [PATCH 4/5] media: vcodec: Implement manual request completion

Hi Sebastian,

kernel test robot noticed the following build warnings:

[auto build test WARNING on f2151613e040973c868d28c8b00885dfab69eb75]

url:    https://github.com/intel-lab-lkp/linux/commits/Sebastian-Fricke/media-mc-add-manual-request-completion/20250314-213005
base:   f2151613e040973c868d28c8b00885dfab69eb75
patch link:    https://lore.kernel.org/r/20250314-sebastianfricke-vcodec_manual_request_completion_with_state_machine-v1-4-5e277a3d695b%40collabora.com
patch subject: [PATCH 4/5] media: vcodec: Implement manual request completion
config: arm-randconfig-001-20250315 (https://download.01.org/0day-ci/archive/20250315/202503151824.EfaOfTwf-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250315/202503151824.EfaOfTwf-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202503151824.EfaOfTwf-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.c:29:13: warning: no previous prototype for 'state_to_str' [-Wmissing-prototypes]
      29 | const char *state_to_str(enum mtk_request_state state)
         |             ^~~~~~~~~~~~


vim +/state_to_str +29 drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.c

    28	
  > 29	const char *state_to_str(enum mtk_request_state state)
    30	{
    31		switch (state) {
    32		case MTK_REQUEST_RECEIVED:
    33			return "RECEIVED";
    34		case MTK_REQUEST_LAT_DONE:
    35			return "LAT_DONE";
    36		case MTK_REQUEST_CORE_DONE:
    37			return "CORE_DONE";
    38		default:
    39			return "UNKNOWN";
    40		}
    41	}
    42	

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