linux-kernel - Re: [PATCH 2/2] i2c: Add Spreadtrum I2C controller driver

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Date:   Sat, 17 Jun 2017 01:10:06 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Baolin Wang <baolin.wang@...eadtrum.com>
Cc:     kbuild-all@...org, wsa@...-dreams.de, mark.rutland@....com,
        robh+dt@...nel.org, linux-i2c@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        broonie@...nel.org, baolin.wang@...aro.org,
        baolin.wang@...eadtrum.com
Subject: Re: [PATCH 2/2] i2c: Add Spreadtrum I2C controller driver

Hi Baolin,

[auto build test ERROR on wsa/i2c/for-next]
[also build test ERROR on v4.12-rc5 next-20170616]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Baolin-Wang/dt-bindings-i2c-Add-Spreadtrum-I2C-controller-documentation/20170616-072616
base:   https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git i2c/for-next
config: arm64-allmodconfig (attached as .config)
compiler: aarch64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=arm64 

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

>> drivers/i2c/busses/i2c-sprd.c:681:1: warning: data definition has no type or storage class
    arch_initcall_sync(sprd_i2c_init);
    ^~~~~~~~~~~~~~~~~~
>> drivers/i2c/busses/i2c-sprd.c:681:1: error: type defaults to 'int' in declaration of 'arch_initcall_sync' [-Werror=implicit-int]
>> drivers/i2c/busses/i2c-sprd.c:681:1: warning: parameter names (without types) in function declaration
   drivers/i2c/busses/i2c-sprd.c:677:19: warning: 'sprd_i2c_init' defined but not used [-Wunused-function]
    static int __init sprd_i2c_init(void)
                      ^~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +681 drivers/i2c/busses/i2c-sprd.c

   675	};
   676	
   677	static int __init sprd_i2c_init(void)
   678	{
   679		return platform_driver_register(&sprd_i2c_driver);
   680	}
 > 681	arch_initcall_sync(sprd_i2c_init);
   682	
   683	static void __exit sprd_i2c_exit(void)
   684	{

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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