Hi Junjie, kernel test robot noticed the following build warnings:
[auto build test WARNING on lee-backlight/for-backlight-next] [also build test WARNING on lee-leds/for-leds-next linus/master lee-backlight/for-backlight-fixes v6.18-rc3 next-20251027] [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/Junjie-Cao/backlight-aw99706-Add-support-for-Awinic-AW99706-backlight/20251026-214135 base: https://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight.git for-backlight-next patch link: https://lore.kernel.org/r/20251026123923.1531727-3-caojunjie650%40gmail.com patch subject: [PATCH 2/2] backlight: aw99706: Add support for Awinic AW99706 backlight config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20251027/[email protected]/config) compiler: m68k-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251027/[email protected]/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 <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All warnings (new ones prefixed by >>): >> drivers/video/backlight/aw99706.c:468:12: warning: 'aw99706_resume' defined >> but not used [-Wunused-function] 468 | static int aw99706_resume(struct device *dev) | ^~~~~~~~~~~~~~ >> drivers/video/backlight/aw99706.c:461:12: warning: 'aw99706_suspend' defined >> but not used [-Wunused-function] 461 | static int aw99706_suspend(struct device *dev) | ^~~~~~~~~~~~~~~ vim +/aw99706_resume +468 drivers/video/backlight/aw99706.c 460 > 461 static int aw99706_suspend(struct device *dev) 462 { 463 struct aw99706_device *aw = dev_get_drvdata(dev); 464 465 return aw99706_update_brightness(aw, 0); 466 } 467 > 468 static int aw99706_resume(struct device *dev) 469 { 470 struct aw99706_device *aw = dev_get_drvdata(dev); 471 472 return aw99706_hw_init(aw); 473 } 474 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
