linux-kernel - Re: [PATCH 4/8] pwm: dwc: add of/platform support

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Date:   Sat, 6 Aug 2022 08:26:30 +0800
From:   kernel test robot <lkp@...el.com>
To:     Ben Dooks <ben.dooks@...ive.com>, linux-pwm@...r.kernel.org
Cc:     kbuild-all@...ts.01.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Lee Jones <lee.jones@...aro.org>,
        u.kleine-koenig@...gutronix.de,
        Thierry Reding <thierry.reding@...il.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Greentime Hu <greentime.hu@...ive.com>,
        jarkko.nikula@...ux.intel.com,
        William Salmon <william.salmon@...ive.com>,
        Jude Onyenegecha --subject-prefix=PATCH v3 
        <jude.onyenegecha@...ive.com>, Ben Dooks <ben.dooks@...ive.com>
Subject: Re: [PATCH 4/8] pwm: dwc: add of/platform support

Hi Ben,

I love your patch! Perhaps something to improve:

[auto build test WARNING on thierry-reding-pwm/for-next]
[also build test WARNING on linus/master v5.19 next-20220805]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Ben-Dooks/dt-bindings-pwm-Document-Synopsys-DesignWare-snps-pwm-dw-apb-timers-pwm2/20220806-015142
base:   https://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm.git for-next
config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20220806/202208060853.DyMRfoge-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 12.1.0
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/3bd100d711908b7d16a2c4793b4f5b597acb8d7f
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Ben-Dooks/dt-bindings-pwm-Document-Synopsys-DesignWare-snps-pwm-dw-apb-timers-pwm2/20220806-015142
        git checkout 3bd100d711908b7d16a2c4793b4f5b597acb8d7f
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=m68k SHELL=/bin/bash drivers/pwm/

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

All warnings (new ones prefixed by >>):

>> drivers/pwm/pwm-dwc.c:321:1: warning: data definition has no type or storage class
     321 | module_pci_driver(dwc_pwm_driver);
         | ^~~~~~~~~~~~~~~~~
   drivers/pwm/pwm-dwc.c:321:1: error: type defaults to 'int' in declaration of 'module_pci_driver' [-Werror=implicit-int]
>> drivers/pwm/pwm-dwc.c:321:1: warning: parameter names (without types) in function declaration
   drivers/pwm/pwm-dwc.c:311:26: warning: 'dwc_pwm_driver' defined but not used [-Wunused-variable]
     311 | static struct pci_driver dwc_pwm_driver = {
         |                          ^~~~~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +321 drivers/pwm/pwm-dwc.c

1ed2b3fca64516 Jarkko Nikula 2020-10-02  320  
1ed2b3fca64516 Jarkko Nikula 2020-10-02 @321  module_pci_driver(dwc_pwm_driver);
1ed2b3fca64516 Jarkko Nikula 2020-10-02  322  

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