linux-kernel - Re: [PATCH v2] mfd: tc6393xb: Make disable callback return void

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Message-ID: <202206200102.cUbYiyCL-lkp@intel.com>
Date:   Mon, 20 Jun 2022 02:20:57 +0800
From:   kernel test robot <lkp@...el.com>
To:     Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>, Lee Jones <lee.jones@...aro.org>,
        Daniel Mack <daniel@...que.org>,
        Haojian Zhuang <haojian.zhuang@...il.com>,
        Robert Jarzmik <robert.jarzmik@...e.fr>
Cc:     kbuild-all@...ts.01.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, kernel@...gutronix.de
Subject: Re: [PATCH v2] mfd: tc6393xb: Make disable callback return void

Hi "Uwe,

I love your patch! Yet something to improve:

[auto build test ERROR on f2906aa863381afb0015a9eb7fefad885d4e5a56]

url:    https://github.com/intel-lab-lkp/linux/commits/Uwe-Kleine-K-nig/mfd-tc6393xb-Make-disable-callback-return-void/20220619-162855
base:   f2906aa863381afb0015a9eb7fefad885d4e5a56
config: arm-pxa_defconfig (https://download.01.org/0day-ci/archive/20220620/202206200102.cUbYiyCL-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 11.3.0
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://github.com/intel-lab-lkp/linux/commit/e2b80b7c107cdbbff99189431a614f791435ebfd
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Uwe-Kleine-K-nig/mfd-tc6393xb-Make-disable-callback-return-void/20220619-162855
        git checkout e2b80b7c107cdbbff99189431a614f791435ebfd
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   arch/arm/mach-pxa/eseries.c:47:13: warning: no previous prototype for 'eseries_fixup' [-Wmissing-prototypes]
      47 | void __init eseries_fixup(struct tag *tags, char **cmdline)
         |             ^~~~~~~~~~~~~
   arch/arm/mach-pxa/eseries.c:76:5: warning: no previous prototype for 'eseries_tmio_enable' [-Wmissing-prototypes]
      76 | int eseries_tmio_enable(struct platform_device *dev)
         |     ^~~~~~~~~~~~~~~~~~~
   arch/arm/mach-pxa/eseries.c:89:6: warning: no previous prototype for 'eseries_tmio_disable' [-Wmissing-prototypes]
      89 | void eseries_tmio_disable(struct platform_device *dev)
         |      ^~~~~~~~~~~~~~~~~~~~
   arch/arm/mach-pxa/eseries.c:95:5: warning: no previous prototype for 'eseries_tmio_suspend' [-Wmissing-prototypes]
      95 | int eseries_tmio_suspend(struct platform_device *dev)
         |     ^~~~~~~~~~~~~~~~~~~~
   arch/arm/mach-pxa/eseries.c:101:5: warning: no previous prototype for 'eseries_tmio_resume' [-Wmissing-prototypes]
     101 | int eseries_tmio_resume(struct platform_device *dev)
         |     ^~~~~~~~~~~~~~~~~~~
   arch/arm/mach-pxa/eseries.c:108:6: warning: no previous prototype for 'eseries_get_tmio_gpios' [-Wmissing-prototypes]
     108 | void eseries_get_tmio_gpios(void)
         |      ^~~~~~~~~~~~~~~~~~~~~~
>> arch/arm/mach-pxa/eseries.c:141:21: error: initialization of 'int (*)(struct platform_device *)' from incompatible pointer type 'void (*)(struct platform_device *)' [-Werror=incompatible-pointer-types]
     141 |         .disable  = &eseries_tmio_disable,
         |                     ^
   arch/arm/mach-pxa/eseries.c:141:21: note: (near initialization for 'e330_tc6387xb_info.disable')
   cc1: some warnings being treated as errors


vim +141 arch/arm/mach-pxa/eseries.c

e478fe4cd50b86 Eric Miao 2010-06-20  138  
e478fe4cd50b86 Eric Miao 2010-06-20  139  static struct tc6387xb_platform_data e330_tc6387xb_info = {
e478fe4cd50b86 Eric Miao 2010-06-20  140  	.enable   = &eseries_tmio_enable,
e478fe4cd50b86 Eric Miao 2010-06-20 @141  	.disable  = &eseries_tmio_disable,
e478fe4cd50b86 Eric Miao 2010-06-20  142  	.suspend  = &eseries_tmio_suspend,
e478fe4cd50b86 Eric Miao 2010-06-20  143  	.resume   = &eseries_tmio_resume,
e478fe4cd50b86 Eric Miao 2010-06-20  144  };
e478fe4cd50b86 Eric Miao 2010-06-20  145  

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp