Hi Markuss, I love your patch! Perhaps something to improve: [auto build test WARNING on dtor-input/next] [also build test WARNING on linux/master robh/for-next linus/master v5.17-rc5 next-20220222] [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] url: https://github.com/0day-ci/linux/commits/Markuss-Broks/Add-support-for-Imagis-touchscreens/20220223-043645 base: https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git next config: hexagon-allyesconfig (https://download.01.org/0day-ci/archive/20220223/202202231213.Vj9yo4tW-lkp@xxxxxxxxx/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/0day-ci/linux/commit/bc77ee5e0d7309edca7d65925c6afa05334b0b01 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Markuss-Broks/Add-support-for-Imagis-touchscreens/20220223-043645 git checkout bc77ee5e0d7309edca7d65925c6afa05334b0b01 # 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 drivers/input/touchscreen/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/input/touchscreen/imagis.c:300:6: warning: variable 'ret' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized] if (input_device_enabled(ts->input_dev)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/input/touchscreen/imagis.c:305:9: note: uninitialized use occurs here return ret; ^~~ drivers/input/touchscreen/imagis.c:300:2: note: remove the 'if' if its condition is always true if (input_device_enabled(ts->input_dev)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/input/touchscreen/imagis.c:296:9: note: initialize the variable 'ret' to silence this warning int ret; ^ = 0 drivers/input/touchscreen/imagis.c:316:6: warning: variable 'ret' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized] if (input_device_enabled(ts->input_dev)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/input/touchscreen/imagis.c:321:9: note: uninitialized use occurs here return ret; ^~~ drivers/input/touchscreen/imagis.c:316:2: note: remove the 'if' if its condition is always true if (input_device_enabled(ts->input_dev)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/input/touchscreen/imagis.c:312:9: note: initialize the variable 'ret' to silence this warning int ret; ^ = 0 2 warnings generated. vim +300 drivers/input/touchscreen/imagis.c 291 292 static int __maybe_unused imagis_suspend(struct device *dev) 293 { 294 struct i2c_client *client = to_i2c_client(dev); 295 struct imagis_ts *ts = i2c_get_clientdata(client); 296 int ret; 297 298 mutex_lock(&ts->input_dev->mutex); 299 > 300 if (input_device_enabled(ts->input_dev)) 301 ret = imagis_stop(ts); 302 303 mutex_unlock(&ts->input_dev->mutex); 304 305 return ret; 306 } 307 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx