Hi Hanjun, I love your patch! Perhaps something to improve: [auto build test WARNING on pm/linux-next] [also build test WARNING on v5.9-rc4 next-20200903] [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/0day-ci/linux/commits/Hanjun-Guo/Cleanups-for-ACPI-APD-driver/20200907-170548 base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next config: x86_64-randconfig-s022-20200907 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-191-g10164920-dirty # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64 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/acpi/acpi_apd.c:250:13: warning: no previous prototype for 'acpi_apd_init' [-Wmissing-prototypes] 250 | void __init acpi_apd_init(void) | ^~~~~~~~~~~~~ # https://github.com/0day-ci/linux/commit/a8b5a7197395679505a8a3126b829495abe2ae13 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Hanjun-Guo/Cleanups-for-ACPI-APD-driver/20200907-170548 git checkout a8b5a7197395679505a8a3126b829495abe2ae13 vim +/acpi_apd_init +250 drivers/acpi/acpi_apd.c 92082a8886f30a Ken Xue 2015-02-06 249 92082a8886f30a Ken Xue 2015-02-06 @250 void __init acpi_apd_init(void) --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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