[linux-next:master 13293/13681] drivers/pwm/pwm-dwc.c:314:1: error: type defaults to 'int' in declaration of 'module_pci_driver'

[kernel test robot <lkp@intel.com>]

Hi Ben,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   d2af0fa4bfa4ec29d03b449ccd43fee39501112d
commit: c901a57e39db555ad7950fd61e1470cdecc8e654 [13293/13681] pwm: dwc: allow driver to be built with COMPILE_TEST
config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20230221/202302210017.XT59WvsM-lkp@intel.com/config)
compiler: sh4-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://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=c901a57e39db555ad7950fd61e1470cdecc8e654
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout c901a57e39db555ad7950fd61e1470cdecc8e654
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sh olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sh SHELL=/bin/bash drivers/pwm/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202302210017.XT59WvsM-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/pwm/pwm-dwc.c:314:1: warning: data definition has no type or storage class
     314 | module_pci_driver(dwc_pwm_driver);
         | ^~~~~~~~~~~~~~~~~
>> drivers/pwm/pwm-dwc.c:314:1: error: type defaults to 'int' in declaration of 'module_pci_driver' [-Werror=implicit-int]
   drivers/pwm/pwm-dwc.c:314:1: warning: parameter names (without types) in function declaration
   drivers/pwm/pwm-dwc.c:304:26: warning: 'dwc_pwm_driver' defined but not used [-Wunused-variable]
     304 | static struct pci_driver dwc_pwm_driver = {
         |                          ^~~~~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +314 drivers/pwm/pwm-dwc.c

1ed2b3fca64516 Jarkko Nikula 2020-10-02  313  
1ed2b3fca64516 Jarkko Nikula 2020-10-02 @314  module_pci_driver(dwc_pwm_driver);
1ed2b3fca64516 Jarkko Nikula 2020-10-02  315  

:::::: The code at line 314 was first introduced by commit
:::::: 1ed2b3fca64516d1b3503ef21929f3b5f4f41cc6 pwm: Add DesignWare PWM Controller Driver

:::::: TO: Jarkko Nikula <jarkko.nikula@linux.intel.com>
:::::: CC: Thierry Reding <thierry.reding@gmail.com>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests