Hi Baoyou, [auto build test ERROR on linus/master] [also build test ERROR on v4.8-rc6 next-20160912] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] [Suggest to use git(>=2.9.0) format-patch --base= (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on] [Check https://git-scm.com/docs/git-format-patch for more information] url: https://github.com/0day-ci/linux/commits/Baoyou-Xie/arm-cci-add-cci_enable_port_for_self-declaration-in-arm-cci-h/20160912-191816 config: arm64-allmodconfig (attached as .config) compiler: aarch64-linux-gnu-gcc (Debian 5.4.0-6) 5.4.0 20160609 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=arm64 All errors (new ones prefixed by >>): In file included from drivers/bus/arm-cci.c:17:0: >> include/linux/arm-cci.h:33:19: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'void' extern asmlinkage void __naked cci_enable_port_for_self(void); ^ vim +33 include/linux/arm-cci.h 27 #include 28 29 struct device_node; 30 31 #ifdef CONFIG_ARM_CCI 32 extern bool cci_probed(void); > 33 extern asmlinkage void __naked cci_enable_port_for_self(void); 34 #else 35 static inline bool cci_probed(void) { return false; } 36 static inline void ci_enable_port_for_self(void) { return; } --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation