Hi Mario, kernel test robot noticed the following build warnings: [auto build test WARNING on 7124d7671af0facf115d70f9d1fadde0d768d325] url: https://github.com/intel-lab-lkp/linux/commits/Mario-Limonciello/ACPI-x86-Separate-out-the-Microsoft-_DSM-function-calls/20230421-001547 base: 7124d7671af0facf115d70f9d1fadde0d768d325 patch link: https://lore.kernel.org/r/20230420160923.14127-1-mario.limonciello%40amd.com patch subject: [PATCH] ACPI: x86: Separate out the Microsoft _DSM function calls config: i386-randconfig-s003 (https://download.01.org/0day-ci/archive/20230424/202304242231.68KXGyif-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-8) 11.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.4-39-gce1a6720-dirty # https://github.com/intel-lab-lkp/linux/commit/e4ea0d2f15f2d0486bc3b4f59cbf9cea6c63fda1 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Mario-Limonciello/ACPI-x86-Separate-out-the-Microsoft-_DSM-function-calls/20230421-001547 git checkout e4ea0d2f15f2d0486bc3b4f59cbf9cea6c63fda1 # 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 olddefconfig 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> | Link: https://lore.kernel.org/oe-kbuild-all/202304242231.68KXGyif-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) drivers/acpi/x86/s2idle.c:479:13: sparse: sparse: restricted suspend_state_t degrades to integer drivers/acpi/x86/s2idle.c:479:33: sparse: sparse: restricted suspend_state_t degrades to integer >> drivers/acpi/x86/s2idle.c:552:6: sparse: sparse: symbol 'lps0_s2idle_wake' was not declared. Should it be static? -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
