Messages in this thread | | | Date | Thu, 30 Sep 2021 21:00:51 +0800 | From | kernel test robot <> | Subject | [kbingham-rcar:kbingham/vsp/v3u-rd-5.15 25/26] drivers/soc/renesas/rcar-irqc.c:46:6: warning: no previous prototype for function 'r8a7791_irqc_show' |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/kbingham/rcar.git kbingham/vsp/v3u-rd-5.15 head: 61b5560118d70887c4acc6687912e78eb279bfde commit: a9d6287bf4fbc6eff6f93606086c74a35d8ce5f0 [25/26] soc: renesas: rcar: IRQC debug handling config: arm64-randconfig-r021-20210930 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 28981015526f2192440c18f18e8a20cd11b0779c) 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 arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/kbingham/rcar.git/commit/?id=a9d6287bf4fbc6eff6f93606086c74a35d8ce5f0 git remote add kbingham-rcar https://git.kernel.org/pub/scm/linux/kernel/git/kbingham/rcar.git git fetch --no-tags kbingham-rcar kbingham/vsp/v3u-rd-5.15 git checkout a9d6287bf4fbc6eff6f93606086c74a35d8ce5f0 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=arm64
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/soc/renesas/rcar-irqc.c:46:6: warning: no previous prototype for function 'r8a7791_irqc_show' [-Wmissing-prototypes] void r8a7791_irqc_show(const char *msg, unsigned int n) ^ drivers/soc/renesas/rcar-irqc.c:46:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void r8a7791_irqc_show(const char *msg, unsigned int n) ^ static 1 warning generated.
vim +/r8a7791_irqc_show +46 drivers/soc/renesas/rcar-irqc.c
45 > 46 void r8a7791_irqc_show(const char *msg, unsigned int n) 47 { 48 printk("%s:%u\n", msg, n); 49 printk("-LEVEL-- --HIGH-- --LOW--- -S-RISE- -S-FALL- -A-RISE- -A-FALL-\n"); 50 printk("%08x %08x %08x %08x %08x %08x %08x\n", 51 ioread32(irqc + MONITOR), ioread32(irqc + HLVL_STS), 52 ioread32(irqc + LLVL_STS), ioread32(irqc + S_R_EDGE_STS), 53 ioread32(irqc + S_F_EDGE_STS), ioread32(irqc + A_R_EDGE_STS), 54 ioread32(irqc + A_F_EDGE_STS)); 55 } 56
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