Hi Muhammad, I love your patch! Perhaps something to improve: [auto build test WARNING on rafael-pm/linux-next] [also build test WARNING on chrome-platform/for-next v5.18-rc5 next-20220506] [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/intel-lab-lkp/linux/commits/Muhammad-Usama-Anjum/platform-chrome-Add-ChromeOS-ACPI-device-driver/20220506-175951 base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next config: i386-allmodconfig (https://download.01.org/0day-ci/archive/20220507/202205070117.SW4TyTN4-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 5e004fb787698440a387750db7f8028e7cb14cfc) 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/intel-lab-lkp/linux/commit/4f6407962feddc57bc7c80e5b29d5d339a1dba6c git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Muhammad-Usama-Anjum/platform-chrome-Add-ChromeOS-ACPI-device-driver/20220506-175951 git checkout 4f6407962feddc57bc7c80e5b29d5d339a1dba6c # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/platform/chrome/ 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/platform/chrome/chromeos_acpi.c:254:5: warning: format specifies type 'long' but the argument has type 'unsigned int' [-Wformat] (ARRAY_SIZE(chromeos_acpi_all_groups) - 2), chromeos_acpi_gpio_groups); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/dev_printk.h:146:70: note: expanded from macro 'dev_warn' dev_printk_index_wrap(_dev_warn, KERN_WARNING, dev, dev_fmt(fmt), ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap' _p_func(dev, fmt, ##__VA_ARGS__); \ ~~~ ^~~~~~~~~~~ 1 warning generated. vim +254 drivers/platform/chrome/chromeos_acpi.c 244 245 static int chromeos_acpi_device_probe(struct platform_device *pdev) 246 { 247 chromeos_acpi_gpio_groups = get_gpio_pkg_num(&pdev->dev); 248 249 /* If platform has more GPIO attribute groups than the number of 250 * groups this driver supports, give out a warning message. 251 */ 252 if (chromeos_acpi_gpio_groups > (ARRAY_SIZE(chromeos_acpi_all_groups) - 2)) 253 dev_warn(&(pdev->dev), "Only %ld GPIO attr groups supported by the driver out of total %d.\n", > 254 (ARRAY_SIZE(chromeos_acpi_all_groups) - 2), chromeos_acpi_gpio_groups); 255 return 0; 256 } 257 -- 0-DAY CI Kernel Test Service https://01.org/lkp