tree: https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git irq/domain_cleanup head: 5a65598a27f5f18b56e0f471925ccfa02e56ca84 commit: 5a65598a27f5f18b56e0f471925ccfa02e56ca84 [17/17] genirq: Move non-irqdomain handle_domain_irq() handling into ARM's handle_IRQ() config: x86_64-randconfig-a003-20210513 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project a0fed635fe1701470062495a6ffee1c608f3f1bc) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git/com... git remote add arm-platforms https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git git fetch --no-tags arm-platforms irq/domain_cleanup git checkout 5a65598a27f5f18b56e0f471925ccfa02e56ca84 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>): In file included from drivers/video/fbdev/arcfb.c:44: In file included from include/linux/fb.h:6: In file included from include/uapi/linux/fb.h:6: In file included from include/linux/i2c.h:13: In file included from include/linux/acpi.h:13: In file included from include/linux/irqdomain.h:34: In file included from include/linux/irq.h:584: int generic_handle_domain_irq(struct irq_domain *domain, unsigned int hwirq) ^ include/linux/irqdesc.h:178:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int generic_handle_domain_irq(struct irq_domain *domain, unsigned int hwirq) ^ static 1 warning generated. -- In file included from drivers/video/fbdev/neofb.c:64: In file included from include/linux/fb.h:6: In file included from include/uapi/linux/fb.h:6: In file included from include/linux/i2c.h:13: In file included from include/linux/acpi.h:13: In file included from include/linux/irqdomain.h:34: In file included from include/linux/irq.h:584: int generic_handle_domain_irq(struct irq_domain *domain, unsigned int hwirq) ^ include/linux/irqdesc.h:178:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int generic_handle_domain_irq(struct irq_domain *domain, unsigned int hwirq) ^ static drivers/video/fbdev/neofb.c:144:20: warning: unused function 'write_le32' [-Wunused-function] static inline void write_le32(int regindex, u32 val, const struct neofb_par *par) ^ 2 warnings generated. -- In file included from drivers/video/fbdev/arkfb.c:22: In file included from include/linux/fb.h:6: In file included from include/uapi/linux/fb.h:6: In file included from include/linux/i2c.h:13: In file included from include/linux/acpi.h:13: In file included from include/linux/irqdomain.h:34: In file included from include/linux/irq.h:584: int generic_handle_domain_irq(struct irq_domain *domain, unsigned int hwirq) ^ include/linux/irqdesc.h:178:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int generic_handle_domain_irq(struct irq_domain *domain, unsigned int hwirq) ^ static drivers/video/fbdev/arkfb.c:321:18: warning: unused function 'dac_read_reg' [-Wunused-function] static inline u8 dac_read_reg(struct dac_info *info, u8 reg) ^ drivers/video/fbdev/arkfb.c:328:20: warning: unused function 'dac_read_regs' [-Wunused-function] static inline void dac_read_regs(struct dac_info *info, u8 *code, int count) ^ 3 warnings generated. -- -- -- -- -- -- -- -- .. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org