Hi Mehdi, kernel test robot noticed the following build warnings: [auto build test WARNING on media-tree/master] [also build test WARNING on robh/for-next linuxtv-media-stage/master linus/master v6.6 next-20231109] [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/Mehdi-Djait/dt-bindings-vendor-prefixes-Add-techwell-vendor-prefix/20231109-042139 base: git://linuxtv.org/media_tree.git master patch link: https://lore.kernel.org/r/93354996c95926970684498f08061b60a52bb84c.1699449537.git.mehdi.djait%40bootlin.com patch subject: [PATCH v8 3/3] media: i2c: Introduce a driver for the Techwell TW9900 decoder config: nios2-allmodconfig (https://download.01.org/0day-ci/archive/20231109/202311091458.0Mnol4EW-lkp@xxxxxxxxx/config) compiler: nios2-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231109/202311091458.0Mnol4EW-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202311091458.0Mnol4EW-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/media/i2c/tw9900.c:359:12: warning: 'tw9900_runtime_suspend' defined but not used [-Wunused-function] 359 | static int tw9900_runtime_suspend(struct device *dev) | ^~~~~~~~~~~~~~~~~~~~~~ >> drivers/media/i2c/tw9900.c:350:12: warning: 'tw9900_runtime_resume' defined but not used [-Wunused-function] 350 | static int tw9900_runtime_resume(struct device *dev) | ^~~~~~~~~~~~~~~~~~~~~ vim +/tw9900_runtime_suspend +359 drivers/media/i2c/tw9900.c 349 > 350 static int tw9900_runtime_resume(struct device *dev) 351 { 352 struct i2c_client *client = to_i2c_client(dev); 353 struct v4l2_subdev *sd = i2c_get_clientdata(client); 354 struct tw9900 *tw9900 = to_tw9900(sd); 355 356 return tw9900_power_on(tw9900); 357 } 358 > 359 static int tw9900_runtime_suspend(struct device *dev) 360 { 361 struct i2c_client *client = to_i2c_client(dev); 362 struct v4l2_subdev *sd = i2c_get_clientdata(client); 363 struct tw9900 *tw9900 = to_tw9900(sd); 364 365 tw9900_power_off(tw9900); 366 367 return 0; 368 } 369 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
