[kbuild-all] [arm-platforms:irq/domain_cleanup 17/17] include/linux/irqdesc.h:178:5: warning: no previous prototype for function 'generic_handle_domain_irq'

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: powerpc-randconfig-r035-20210513 (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 powerpc cross compiling tool for clang build # apt-get install binutils-powerpc-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=powerpc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): In file included from arch/powerpc/kernel/asm-offsets.c:23: In file included from include/linux/suspend.h:5: In file included from include/linux/swap.h:9: In file included from include/linux/memcontrol.h:13: In file included from include/linux/cgroup.h:26: In file included from include/linux/kernel_stat.h:9: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from arch/powerpc/include/asm/hardirq.h:6: In file included from include/linux/irq.h:23: In file included from arch/powerpc/include/asm/irq.h:9: include/linux/irqdomain.h:420:9: error: implicit declaration of function 'irq_desc_get_irq' [-Werror,-Wimplicit-function-declaration] return irq_desc_get_irq(desc); ^ include/linux/irqdomain.h:420:9: note: did you mean 'irq_get_next_irq'? include/linux/irqnr.h:10:14: note: 'irq_get_next_irq' declared here unsigned int irq_get_next_irq(unsigned int offset); ^ In file included from arch/powerpc/kernel/asm-offsets.c:23: In file included from include/linux/suspend.h:5: In file included from include/linux/swap.h:9: In file included from include/linux/memcontrol.h:13: In file included from include/linux/cgroup.h:26: In file included from include/linux/kernel_stat.h:9: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from arch/powerpc/include/asm/hardirq.h:6: In file included from include/linux/irq.h:584: include/linux/irqdesc.h:127:28: error: static declaration of 'irq_desc_get_irq' follows non-static declaration static inline unsigned int irq_desc_get_irq(struct irq_desc *desc) ^ include/linux/irqdomain.h:420:9: note: previous implicit declaration is here return irq_desc_get_irq(desc); ^ In file included from arch/powerpc/kernel/asm-offsets.c:23: In file included from include/linux/suspend.h:5: In file included from include/linux/swap.h:9: In file included from include/linux/memcontrol.h:13: In file included from include/linux/cgroup.h:26: In file included from include/linux/kernel_stat.h:9: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from arch/powerpc/include/asm/hardirq.h:6: 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 and 2 errors generated. -- In file included from arch/powerpc/kernel/asm-offsets.c:23: In file included from include/linux/suspend.h:5: In file included from include/linux/swap.h:9: In file included from include/linux/memcontrol.h:13: In file included from include/linux/cgroup.h:26: In file included from include/linux/kernel_stat.h:9: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from arch/powerpc/include/asm/hardirq.h:6: In file included from include/linux/irq.h:23: In file included from arch/powerpc/include/asm/irq.h:9: include/linux/irqdomain.h:420:9: error: implicit declaration of function 'irq_desc_get_irq' [-Werror,-Wimplicit-function-declaration] return irq_desc_get_irq(desc); ^ include/linux/irqdomain.h:420:9: note: did you mean 'irq_get_next_irq'? include/linux/irqnr.h:10:14: note: 'irq_get_next_irq' declared here unsigned int irq_get_next_irq(unsigned int offset); ^ In file included from arch/powerpc/kernel/asm-offsets.c:23: In file included from include/linux/suspend.h:5: In file included from include/linux/swap.h:9: In file included from include/linux/memcontrol.h:13: In file included from include/linux/cgroup.h:26: In file included from include/linux/kernel_stat.h:9: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from arch/powerpc/include/asm/hardirq.h:6: In file included from include/linux/irq.h:584: include/linux/irqdesc.h:127:28: error: static declaration of 'irq_desc_get_irq' follows non-static declaration static inline unsigned int irq_desc_get_irq(struct irq_desc *desc) ^ include/linux/irqdomain.h:420:9: note: previous implicit declaration is here return irq_desc_get_irq(desc); ^ In file included from arch/powerpc/kernel/asm-offsets.c:23: In file included from include/linux/suspend.h:5: In file included from include/linux/swap.h:9: In file included from include/linux/memcontrol.h:13: In file included from include/linux/cgroup.h:26: In file included from include/linux/kernel_stat.h:9: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from arch/powerpc/include/asm/hardirq.h:6: 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 and 2 errors generated. make[2]: *** [scripts/Makefile.build:117: arch/powerpc/kernel/asm-offsets.s] Error 1 make[2]: Target '__build' not remade because of errors. make[1]: *** [Makefile:1227: prepare0] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:215: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. vim +/generic_handle_domain_irq +178 include/linux/irqdesc.h 171 172 int handle_domain_irq(struct irq_domain *domain, 173 unsigned int hwirq, struct pt_regs *regs); 174 175 int handle_domain_nmi(struct irq_domain *domain, unsigned int hwirq, 176 struct pt_regs *regs); 177 #else 179 { 180 return -EINVAL; 181 } 182 #endif 183 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org