[pinctrl:devel 63/64] drivers/pinctrl/mediatek/pinctrl-mt6779.c:775:1: error: type defaults to 'int' in declaration of 'arch_initcall'

* [pinctrl:devel 63/64] drivers/pinctrl/mediatek/pinctrl-mt6779.c:775:1: error: type defaults to 'int' in declaration of 'arch_initcall'
@ 2020-07-16 19:08 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2020-07-16 19:08 UTC (permalink / raw)
  To: Hanks Chen; +Cc: kbuild-all, linux-gpio, Linus Walleij, Mars Cheng, Andy Teng

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git devel
head:   d9ce0e9fdfd37d45f669b831d0c084a7c9338ee8
commit: e6f744c6ad4fb3b7ac06d4e22b79e435578a6d54 [63/64] pinctrl: mediatek: add pinctrl support for MT6779 SoC
config: riscv-allmodconfig (attached as .config)
compiler: riscv64-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
        git checkout e6f744c6ad4fb3b7ac06d4e22b79e435578a6d54
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=riscv 

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

All error/warnings (new ones prefixed by >>):

>> drivers/pinctrl/mediatek/pinctrl-mt6779.c:775:1: warning: data definition has no type or storage class
     775 | arch_initcall(mt6779_pinctrl_init);
         | ^~~~~~~~~~~~~
>> drivers/pinctrl/mediatek/pinctrl-mt6779.c:775:1: error: type defaults to 'int' in declaration of 'arch_initcall' [-Werror=implicit-int]
>> drivers/pinctrl/mediatek/pinctrl-mt6779.c:775:1: warning: parameter names (without types) in function declaration
   drivers/pinctrl/mediatek/pinctrl-mt6779.c:771:19: warning: 'mt6779_pinctrl_init' defined but not used [-Wunused-function]
     771 | static int __init mt6779_pinctrl_init(void)
         |                   ^~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +775 drivers/pinctrl/mediatek/pinctrl-mt6779.c

   770	
   771	static int __init mt6779_pinctrl_init(void)
   772	{
   773		return platform_driver_register(&mt6779_pinctrl_driver);
   774	}
 > 775	arch_initcall(mt6779_pinctrl_init);

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

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