Hi Leif, [auto build test ERROR on pm/linux-next] [also build test ERROR on v4.5-rc5 next-20160222] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system] url: https://github.com/0day-ci/linux/commits/Aleksey-Makarov/arm64-move-acpi-dt-decision-earlier-in-boot-process/20160222-215244 base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next config: microblaze-allyesconfig (attached as .config) reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=microblaze All errors (new ones prefixed by >>): >> arch/microblaze/kernel/prom.c:48:19: error: conflicting types for 'early_init_dt_scan_chosen_serial' static int __init early_init_dt_scan_chosen_serial(unsigned long node, ^ In file included from arch/microblaze/kernel/prom.c:33:0: include/linux/of_fdt.h:66:12: note: previous declaration of 'early_init_dt_scan_chosen_serial' was here extern int early_init_dt_scan_chosen_serial(void); ^ vim +/early_init_dt_scan_chosen_serial +48 arch/microblaze/kernel/prom.c 12e84142 Michal Simek 2009-03-27 42 #include 12e84142 Michal Simek 2009-03-27 43 #include 12e84142 Michal Simek 2009-03-27 44 12e84142 Michal Simek 2009-03-27 45 #ifdef CONFIG_EARLY_PRINTK 9d0c4dfe Rob Herring 2014-04-01 46 static const char *stdout; 2aa8e375 Michal Simek 2011-04-14 47 c0d997fb Michal Simek 2012-12-13 @48 static int __init early_init_dt_scan_chosen_serial(unsigned long node, 12e84142 Michal Simek 2009-03-27 49 const char *uname, int depth, void *data) 12e84142 Michal Simek 2009-03-27 50 { 9d0c4dfe Rob Herring 2014-04-01 51 int l; :::::: The code at line 48 was first introduced by commit :::::: c0d997fb4c4f202c55a4ed8ab9b714a81a16e5ac microblaze: Add static qualifiers :::::: TO: Michal Simek :::::: CC: Michal Simek --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation