linux-kernel - Re: [PATCH 2/2] pinctrl: berlin: add the as370 SoC pinctrl driver

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Date:   Sat, 14 Jul 2018 02:17:28 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Jisheng Zhang <Jisheng.Zhang@...aptics.com>
Cc:     kbuild-all@...org, Linus Walleij <linus.walleij@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
Subject: Re: [PATCH 2/2] pinctrl: berlin: add the as370 SoC pinctrl driver

Hi Jisheng,

I love your patch! Yet something to improve:

[auto build test ERROR on pinctrl/devel]
[also build test ERROR on v4.18-rc4 next-20180713]
[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/Jisheng-Zhang/dt-binding-pinctrl-berlin-document-AS370-SoC-pinctrl/20180713-235943
base:   https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git devel
config: x86_64-allmodconfig (attached as .config)
compiler: gcc-7 (Debian 7.3.0-16) 7.3.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

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

   drivers/pinctrl/berlin/pinctrl-as370.c:330:1: sparse: 'MODULE_DEVICE_TABLE()' has implicit return type
>> drivers/pinctrl/berlin/pinctrl-as370.c:330:1: warning: data definition has no type or storage class
    MODULE_DEVICE_TABLE(of, as370_pinctrl_match);
    ^~~~~~~~~~~~~~~~~~~
>> drivers/pinctrl/berlin/pinctrl-as370.c:330:1: error: type defaults to 'int' in declaration of 'MODULE_DEVICE_TABLE' [-Werror=implicit-int]
>> drivers/pinctrl/berlin/pinctrl-as370.c:330:1: warning: parameter names (without types) in function declaration
   cc1: some warnings being treated as errors

sparse warnings: (new ones prefixed by >>)

>> drivers/pinctrl/berlin/pinctrl-as370.c:330:1: sparse: 'MODULE_DEVICE_TABLE()' has implicit return type
   drivers/pinctrl/berlin/pinctrl-as370.c:330:1: warning: data definition has no type or storage class
    MODULE_DEVICE_TABLE(of, as370_pinctrl_match);
    ^~~~~~~~~~~~~~~~~~~
   drivers/pinctrl/berlin/pinctrl-as370.c:330:1: error: type defaults to 'int' in declaration of 'MODULE_DEVICE_TABLE' [-Werror=implicit-int]
   drivers/pinctrl/berlin/pinctrl-as370.c:330:1: warning: parameter names (without types) in function declaration
   cc1: some warnings being treated as errors

vim +330 drivers/pinctrl/berlin/pinctrl-as370.c

   322	
   323	static const struct of_device_id as370_pinctrl_match[] = {
   324		{
   325			.compatible = "syna,as370-soc-pinctrl",
   326			.data = &as370_soc_pinctrl_data,
   327		},
   328		{}
   329	};
 > 330	MODULE_DEVICE_TABLE(of, as370_pinctrl_match);
   331	

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