Hi Mario, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on rafael-pm/linux-next] [also build test WARNING on linus/master v6.0-rc3 next-20220826] [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/Mario-Limonciello/Add-some-extra-debugging-mechanisms-for-s0i3/20220829-062334 base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next config: i386-randconfig-s003 (https://download.01.org/0day-ci/archive/20220829/202208291354.DVB7CN3N-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-5) 11.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.4-39-gce1a6720-dirty # https://github.com/intel-lab-lkp/linux/commit/af6400b51370a2bc04906697aeec5a938e6ee446 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Mario-Limonciello/Add-some-extra-debugging-mechanisms-for-s0i3/20220829-062334 git checkout af6400b51370a2bc04906697aeec5a938e6ee446 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash drivers/acpi/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) drivers/acpi/x86/s2idle.c:426:13: sparse: sparse: restricted suspend_state_t degrades to integer drivers/acpi/x86/s2idle.c:426:33: sparse: sparse: restricted suspend_state_t degrades to integer >> drivers/acpi/x86/s2idle.c:489:6: sparse: sparse: symbol 'acpi_s2idle_enter' was not declared. Should it be static? -- 0-DAY CI Kernel Test Service https://01.org/lkp