[arm:sa1100 21/56] arch/arm/mach-sa1100/clock.c:92:12: warning: no previous prototype for 'sa11xx_clk_init'

[kernel test robot]

tree:   git://git.armlinux.org.uk/~rmk/linux-arm.git sa1100
head:   1b2ebea7666f89e5ab504e2a46a935f804c7f65e
commit: dec02f5fcbf8ad76aca75649210922bd728c2aaf [21/56] ARM: sa1100: switch to accurate MPLL calculation
config: arm-shannon_defconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0
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
        git remote add arm git://git.armlinux.org.uk/~rmk/linux-arm.git
        git fetch --no-tags arm sa1100
        git checkout dec02f5fcbf8ad76aca75649210922bd728c2aaf
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>

All warnings (new ones prefixed by >>):

>> arch/arm/mach-sa1100/clock.c:92:12: warning: no previous prototype for 'sa11xx_clk_init' [-Wmissing-prototypes]
      92 | int __init sa11xx_clk_init(void)
         |            ^~~~~~~~~~~~~~~


vim +/sa11xx_clk_init +92 arch/arm/mach-sa1100/clock.c

97d654f8eb4b8f Russell King 2006-03-15  91  
d6c8204659eb18 Russell King 2016-08-31 @92  int __init sa11xx_clk_init(void)

:::::: The code at line 92 was first introduced by commit
:::::: d6c8204659eb1846c444997ee28fe9d7e5442f4e ARM: sa1100: convert to common clock framework

:::::: TO: Russell King <rmk+kernel at armlinux.org.uk>
:::::: CC: Russell King <rmk+kernel at armlinux.org.uk>

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