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Thu, 03 Mar 2022 13:34:54 +0000 Date: Thu, 3 Mar 2022 21:34:46 +0800 From: kernel test robot To: Dongjin Kim Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: [tobetter:odroid-5.17.y 4/41] drivers/gpu/drm/drm_mipi_dbi.c:77:17: warning: unused variable 'mipi_dbi_dcs_read_commands' Message-ID: <202203032157.rhC4yqLG-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://github.com/tobetter/linux odroid-5.17.y head: e882d3aa45fcf49791433e9606016225df72a12e commit: cac3180b84c170a7d3e892f4c9058b58c19bbc94 [4/41] ODROID-COMMON: gpu/drm: Add new Tiny DRM driver with Ili9488 config: hexagon-randconfig-r013-20220303 (https://download.01.org/0day-ci/archive/20220303/202203032157.rhC4yqLG-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d271fc04d5b97b12e6b797c6067d3c96a8d7470e) 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 # https://github.com/tobetter/linux/commit/cac3180b84c170a7d3e892f4c9058b58c19bbc94 git remote add tobetter https://github.com/tobetter/linux git fetch --no-tags tobetter odroid-5.17.y git checkout cac3180b84c170a7d3e892f4c9058b58c19bbc94 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> drivers/gpu/drm/drm_mipi_dbi.c:77:17: warning: unused variable 'mipi_dbi_dcs_read_commands' [-Wunused-const-variable] static const u8 mipi_dbi_dcs_read_commands[] = { ^ 1 warning generated. vim +/mipi_dbi_dcs_read_commands +77 drivers/gpu/drm/drm_mipi_dbi.c 02dd95fe316936 drivers/gpu/drm/tinydrm/mipi-dbi.c Noralf Trønnes 2017-01-22 76 02dd95fe316936 drivers/gpu/drm/tinydrm/mipi-dbi.c Noralf Trønnes 2017-01-22 @77 static const u8 mipi_dbi_dcs_read_commands[] = { 02dd95fe316936 drivers/gpu/drm/tinydrm/mipi-dbi.c Noralf Trønnes 2017-01-22 78 MIPI_DCS_GET_DISPLAY_ID, 02dd95fe316936 drivers/gpu/drm/tinydrm/mipi-dbi.c Noralf Trønnes 2017-01-22 79 MIPI_DCS_GET_RED_CHANNEL, 02dd95fe316936 drivers/gpu/drm/tinydrm/mipi-dbi.c Noralf Trønnes 2017-01-22 80 MIPI_DCS_GET_GREEN_CHANNEL, 02dd95fe316936 drivers/gpu/drm/tinydrm/mipi-dbi.c Noralf Trønnes 2017-01-22 81 MIPI_DCS_GET_BLUE_CHANNEL, 02dd95fe316936 drivers/gpu/drm/tinydrm/mipi-dbi.c Noralf Trønnes 2017-01-22 82 MIPI_DCS_GET_DISPLAY_STATUS, 02dd95fe316936 drivers/gpu/drm/tinydrm/mipi-dbi.c Noralf Trønnes 2017-01-22 83 MIPI_DCS_GET_POWER_MODE, 02dd95fe316936 drivers/gpu/drm/tinydrm/mipi-dbi.c Noralf Trønnes 2017-01-22 84 MIPI_DCS_GET_ADDRESS_MODE, 02dd95fe316936 drivers/gpu/drm/tinydrm/mipi-dbi.c Noralf Trønnes 2017-01-22 85 MIPI_DCS_GET_PIXEL_FORMAT, 02dd95fe316936 drivers/gpu/drm/tinydrm/mipi-dbi.c Noralf Trønnes 2017-01-22 86 MIPI_DCS_GET_DISPLAY_MODE, 02dd95fe316936 drivers/gpu/drm/tinydrm/mipi-dbi.c Noralf Trønnes 2017-01-22 87 MIPI_DCS_GET_SIGNAL_MODE, 02dd95fe316936 drivers/gpu/drm/tinydrm/mipi-dbi.c Noralf Trønnes 2017-01-22 88 MIPI_DCS_GET_DIAGNOSTIC_RESULT, 02dd95fe316936 drivers/gpu/drm/tinydrm/mipi-dbi.c Noralf Trønnes 2017-01-22 89 MIPI_DCS_READ_MEMORY_START, 02dd95fe316936 drivers/gpu/drm/tinydrm/mipi-dbi.c Noralf Trønnes 2017-01-22 90 MIPI_DCS_READ_MEMORY_CONTINUE, 02dd95fe316936 drivers/gpu/drm/tinydrm/mipi-dbi.c Noralf Trønnes 2017-01-22 91 MIPI_DCS_GET_SCANLINE, 02dd95fe316936 drivers/gpu/drm/tinydrm/mipi-dbi.c Noralf Trønnes 2017-01-22 92 MIPI_DCS_GET_DISPLAY_BRIGHTNESS, 02dd95fe316936 drivers/gpu/drm/tinydrm/mipi-dbi.c Noralf Trønnes 2017-01-22 93 MIPI_DCS_GET_CONTROL_DISPLAY, 02dd95fe316936 drivers/gpu/drm/tinydrm/mipi-dbi.c Noralf Trønnes 2017-01-22 94 MIPI_DCS_GET_POWER_SAVE, 02dd95fe316936 drivers/gpu/drm/tinydrm/mipi-dbi.c Noralf Trønnes 2017-01-22 95 MIPI_DCS_GET_CABC_MIN_BRIGHTNESS, 02dd95fe316936 drivers/gpu/drm/tinydrm/mipi-dbi.c Noralf Trønnes 2017-01-22 96 MIPI_DCS_READ_DDB_START, 02dd95fe316936 drivers/gpu/drm/tinydrm/mipi-dbi.c Noralf Trønnes 2017-01-22 97 MIPI_DCS_READ_DDB_CONTINUE, 02dd95fe316936 drivers/gpu/drm/tinydrm/mipi-dbi.c Noralf Trønnes 2017-01-22 98 0, /* sentinel */ 02dd95fe316936 drivers/gpu/drm/tinydrm/mipi-dbi.c Noralf Trønnes 2017-01-22 99 }; 02dd95fe316936 drivers/gpu/drm/tinydrm/mipi-dbi.c Noralf Trønnes 2017-01-22 100 :::::: The code at line 77 was first introduced by commit :::::: 02dd95fe316936269a52d6ccb971bb956412b40a drm/tinydrm: Add MIPI DBI support :::::: TO: Noralf Trønnes :::::: CC: Noralf Trønnes --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org