Hi Manuel, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on dtor-input/next] [also build test WARNING on dtor-input/for-linus linus/master v6.2-rc5] [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/Manuel-Traut/input-pwm-beeper-add-feature-to-set-volume-level/20230124-191549 base: https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git next patch link: https://lore.kernel.org/r/Y8%2B9L7UincSjIaD9%40mt.com patch subject: [PATCH 1/3 v6] input: pwm-beeper: add feature to set volume level config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20230124/202301242226.E9z7kZKT-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-8) 11.3.0 reproduce (this is a W=1 build): # https://github.com/intel-lab-lkp/linux/commit/3468440a8e674e649dcf11e23f3fb3d229555e7c git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Manuel-Traut/input-pwm-beeper-add-feature-to-set-volume-level/20230124-191549 git checkout 3468440a8e674e649dcf11e23f3fb3d229555e7c # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 olddefconfig make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/input/misc/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): drivers/input/misc/pwm-beeper.c:73:62: error: macro "DEVICE_ATTR_RW" passed 4 arguments, but takes just 1 73 | static DEVICE_ATTR_RW(volume, 0644, volume_show, volume_store); | ^ In file included from include/linux/input.h:19, from drivers/input/misc/pwm-beeper.c:11: include/linux/device.h:131: note: macro "DEVICE_ATTR_RW" defined here 131 | #define DEVICE_ATTR_RW(_name) \ | drivers/input/misc/pwm-beeper.c:73:8: error: type defaults to 'int' in declaration of 'DEVICE_ATTR_RW' [-Werror=implicit-int] 73 | static DEVICE_ATTR_RW(volume, 0644, volume_show, volume_store); | ^~~~~~~~~~~~~~ drivers/input/misc/pwm-beeper.c:77:10: error: 'dev_attr_volume' undeclared here (not in a function); did you mean 'dev_attr_max_volume'? 77 | &dev_attr_volume.attr, | ^~~~~~~~~~~~~~~ | dev_attr_max_volume >> drivers/input/misc/pwm-beeper.c:73:8: warning: 'DEVICE_ATTR_RW' defined but not used [-Wunused-variable] 73 | static DEVICE_ATTR_RW(volume, 0644, volume_show, volume_store); | ^~~~~~~~~~~~~~ drivers/input/misc/pwm-beeper.c:54:16: warning: 'volume_store' defined but not used [-Wunused-function] 54 | static ssize_t volume_store(struct device *dev, | ^~~~~~~~~~~~ drivers/input/misc/pwm-beeper.c:38:16: warning: 'volume_show' defined but not used [-Wunused-function] 38 | static ssize_t volume_show(struct device *dev, | ^~~~~~~~~~~ cc1: some warnings being treated as errors vim +/DEVICE_ATTR_RW +73 drivers/input/misc/pwm-beeper.c 72 > 73 static DEVICE_ATTR_RW(volume, 0644, volume_show, volume_store); 74 static DEVICE_ATTR(max_volume, 0644, max_volume_show, NULL); 75 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests