[linux-next:master 4461/9897] arch/arm/mach-iop32x/irq.c:62:6: warning: no previous prototype for function 'iop_handle_irq'

[linux-next:master 4461/9897] arch/arm/mach-iop32x/irq.c:62:6: warning: no previous prototype for function 'iop_handle_irq'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   ea586a076e8aa606c59b66d86660590f18354b11
commit: 6f5d248d05db9c4991366154f1a657a630faa583 [4461/9897] ARM: iop32x: use GENERIC_IRQ_MULTI_HANDLER
config: arm-randconfig-r031-20220101 (https://download.01.org/0day-ci/archive/20220102/202201020627.cJMyevvZ-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c054402170cd8466683a20385befc0523aba3359)
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 arm cross compiling tool for clang build
        # apt-get install binutils-arm-linux-gnueabi
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=6f5d248d05db9c4991366154f1a657a630faa583
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout 6f5d248d05db9c4991366154f1a657a630faa583
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash

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 >>):

>> arch/arm/mach-iop32x/irq.c:62:6: warning: no previous prototype for function 'iop_handle_irq' [-Wmissing-prototypes]
   void iop_handle_irq(struct pt_regs *regs)
        ^
   arch/arm/mach-iop32x/irq.c:62:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void iop_handle_irq(struct pt_regs *regs)
   ^
   static 
   1 warning generated.
--
>> arch/arm/mach-iop32x/cp6.c:10:6: warning: no previous prototype for function 'iop_enable_cp6' [-Wmissing-prototypes]
   void iop_enable_cp6(void)
        ^
   arch/arm/mach-iop32x/cp6.c:10:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void iop_enable_cp6(void)
   ^
   static 
   arch/arm/mach-iop32x/cp6.c:43:13: warning: no previous prototype for function 'iop_init_cp6_handler' [-Wmissing-prototypes]
   void __init iop_init_cp6_handler(void)
               ^
   arch/arm/mach-iop32x/cp6.c:43:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void __init iop_init_cp6_handler(void)
   ^
   static 
   2 warnings generated.


vim +/iop_handle_irq +62 arch/arm/mach-iop32x/irq.c

    61	
  > 62	void iop_handle_irq(struct pt_regs *regs)
    63	{
    64		u32 mask;
    65	
    66		iop_enable_cp6();
    67	
    68		do {
    69			mask = iintsrc_read();
    70			if (mask)
    71				generic_handle_irq(fls(mask));
    72		} while (mask);
    73	}
    74	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org