[arnd-playground:randconfig-5.13 492/585] drivers/mtd/maps/tsunami_flash.c:108:1: warning: type defaults to 'int' in declaration of 'module_init'

[arnd-playground:randconfig-5.13 492/585] drivers/mtd/maps/tsunami_flash.c:108:1: warning: type defaults to 'int' in declaration of 'module_init'

[kernel test robot]

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Hi Arnd,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git randconfig-5.13
head:   36fc4b7a9bf27491b6165cd5e546e41e0a7290ae
commit: d2a47213321e508c8df6d27363fafe4d9a43d262 [492/585] Revert "[SUBMITTED 20210125] usb: host: ehci-tegra: fix Kconfig depencies"
config: alpha-randconfig-r025-20210602 (attached as .config)
compiler: alpha-linux-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
        # https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git/commit/?id=d2a47213321e508c8df6d27363fafe4d9a43d262
        git remote add arnd-playground https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git
        git fetch --no-tags arnd-playground randconfig-5.13
        git checkout d2a47213321e508c8df6d27363fafe4d9a43d262
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=alpha 

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/mtd/maps/tsunami_flash.c: In function 'tsunami_flash_read8':
   drivers/mtd/maps/tsunami_flash.c:21:13: error: implicit declaration of function 'tsunami_tig_readb'; did you mean 'tsunami_readb'? [-Werror=implicit-function-declaration]
      21 |  val.x[0] = tsunami_tig_readb(offset);
         |             ^~~~~~~~~~~~~~~~~
         |             tsunami_readb
   drivers/mtd/maps/tsunami_flash.c: In function 'tsunami_flash_write8':
   drivers/mtd/maps/tsunami_flash.c:27:2: error: implicit declaration of function 'tsunami_tig_writeb'; did you mean 'tsunami_writeb'? [-Werror=implicit-function-declaration]
      27 |  tsunami_tig_writeb(value.x[0], offset);
         |  ^~~~~~~~~~~~~~~~~~
         |  tsunami_writeb
   drivers/mtd/maps/tsunami_flash.c: At top level:
   drivers/mtd/maps/tsunami_flash.c:108:1: warning: data definition has no type or storage class
     108 | module_init(init_tsunami_flash);
         | ^~~~~~~~~~~
>> drivers/mtd/maps/tsunami_flash.c:108:1: warning: type defaults to 'int' in declaration of 'module_init' [-Wimplicit-int]
   drivers/mtd/maps/tsunami_flash.c:108:1: warning: parameter names (without types) in function declaration
   drivers/mtd/maps/tsunami_flash.c:109:1: warning: data definition has no type or storage class
     109 | module_exit(cleanup_tsunami_flash);
         | ^~~~~~~~~~~
>> drivers/mtd/maps/tsunami_flash.c:109:1: warning: type defaults to 'int' in declaration of 'module_exit' [-Wimplicit-int]
   drivers/mtd/maps/tsunami_flash.c:109:1: warning: parameter names (without types) in function declaration
   drivers/mtd/maps/tsunami_flash.c:89:19: warning: 'init_tsunami_flash' defined but not used [-Wunused-function]
      89 | static int __init init_tsunami_flash(void)
         |                   ^~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +108 drivers/mtd/maps/tsunami_flash.c

^1da177e4c3f41 Linus Torvalds 2005-04-16  107  
^1da177e4c3f41 Linus Torvalds 2005-04-16 @108  module_init(init_tsunami_flash);
^1da177e4c3f41 Linus Torvalds 2005-04-16 @109  module_exit(cleanup_tsunami_flash);

:::::: The code at line 108 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@ppc970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@ppc970.osdl.org>

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

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