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Date:   Sat, 6 Aug 2022 07:05:03 +0800
From:   kernel test robot <lkp@intel.com>
To:     Ben Dooks <ben.dooks@sifive.com>, linux-pwm@vger.kernel.org
Cc:     kbuild-all@lists.01.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, Lee Jones <lee.jones@linaro.org>,
        u.kleine-koenig@pengutronix.de,
        Thierry Reding <thierry.reding@gmail.com>,
        Krzysztof Kozlowski <krzk@kernel.org>,
        Greentime Hu <greentime.hu@sifive.com>,
        jarkko.nikula@linux.intel.com,
        William Salmon <william.salmon@sifive.com>,
        Jude Onyenegecha --subject-prefix=PATCH v3 
        <jude.onyenegecha@sifive.com>, Ben Dooks <ben.dooks@sifive.com>
Subject: Re: [PATCH 4/8] pwm: dwc: add of/platform support
Message-ID: <202208060607.ojG964cE-lkp@intel.com>
References: <20220805165033.140958-5-ben.dooks@sifive.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
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In-Reply-To: <20220805165033.140958-5-ben.dooks@sifive.com>
Precedence: bulk

Hi Ben,

I love your patch! Yet something to improve:

[auto build test ERROR on thierry-reding-pwm/for-next]
[also build test ERROR 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: x86_64-randconfig-a002 (https://download.01.org/0day-ci/archive/20220806/202208060607.ojG964cE-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-3) 11.3.0
reproduce (this is a W=1 build):
        # 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
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/pwm/

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

All errors (new ones prefixed by >>):

   In file included from drivers/pwm/pwm-dwc.c:19:
   include/linux/module.h:131:49: error: redefinition of '__inittest'
     131 |         static inline initcall_t __maybe_unused __inittest(void)                \
         |                                                 ^~~~~~~~~~
   include/linux/device/driver.h:266:1: note: in expansion of macro 'module_init'
     266 | module_init(__driver##_init); \
         | ^~~~~~~~~~~
   include/linux/platform_device.h:264:9: note: in expansion of macro 'module_driver'
     264 |         module_driver(__platform_driver, platform_driver_register, \
         |         ^~~~~~~~~~~~~
   drivers/pwm/pwm-dwc.c:369:1: note: in expansion of macro 'module_platform_driver'
     369 | module_platform_driver(dwc_pwm_plat_driver);
         | ^~~~~~~~~~~~~~~~~~~~~~
   include/linux/module.h:131:49: note: previous definition of '__inittest' with type 'int (*(void))(void)'
     131 |         static inline initcall_t __maybe_unused __inittest(void)                \
         |                                                 ^~~~~~~~~~
   include/linux/device/driver.h:266:1: note: in expansion of macro 'module_init'
     266 | module_init(__driver##_init); \
         | ^~~~~~~~~~~
   include/linux/pci.h:1481:9: note: in expansion of macro 'module_driver'
    1481 |         module_driver(__pci_driver, pci_register_driver, pci_unregister_driver)
         |         ^~~~~~~~~~~~~
   drivers/pwm/pwm-dwc.c:321:1: note: in expansion of macro 'module_pci_driver'
     321 | module_pci_driver(dwc_pwm_driver);
         | ^~~~~~~~~~~~~~~~~
   include/linux/module.h:133:13: error: redefinition of 'init_module'
     133 |         int init_module(void) __copy(initfn)                    \
         |             ^~~~~~~~~~~
   include/linux/device/driver.h:266:1: note: in expansion of macro 'module_init'
     266 | module_init(__driver##_init); \
         | ^~~~~~~~~~~
   include/linux/platform_device.h:264:9: note: in expansion of macro 'module_driver'
     264 |         module_driver(__platform_driver, platform_driver_register, \
         |         ^~~~~~~~~~~~~
   drivers/pwm/pwm-dwc.c:369:1: note: in expansion of macro 'module_platform_driver'
     369 | module_platform_driver(dwc_pwm_plat_driver);
         | ^~~~~~~~~~~~~~~~~~~~~~
   include/linux/module.h:133:13: note: previous definition of 'init_module' with type 'int(void)'
     133 |         int init_module(void) __copy(initfn)                    \
         |             ^~~~~~~~~~~
   include/linux/device/driver.h:266:1: note: in expansion of macro 'module_init'
     266 | module_init(__driver##_init); \
         | ^~~~~~~~~~~
   include/linux/pci.h:1481:9: note: in expansion of macro 'module_driver'
    1481 |         module_driver(__pci_driver, pci_register_driver, pci_unregister_driver)
         |         ^~~~~~~~~~~~~
   drivers/pwm/pwm-dwc.c:321:1: note: in expansion of macro 'module_pci_driver'
     321 | module_pci_driver(dwc_pwm_driver);
         | ^~~~~~~~~~~~~~~~~
>> include/linux/module.h:139:49: error: redefinition of '__exittest'
     139 |         static inline exitcall_t __maybe_unused __exittest(void)                \
         |                                                 ^~~~~~~~~~
   include/linux/device/driver.h:271:1: note: in expansion of macro 'module_exit'
     271 | module_exit(__driver##_exit);
         | ^~~~~~~~~~~
   include/linux/platform_device.h:264:9: note: in expansion of macro 'module_driver'
     264 |         module_driver(__platform_driver, platform_driver_register, \
         |         ^~~~~~~~~~~~~
   drivers/pwm/pwm-dwc.c:369:1: note: in expansion of macro 'module_platform_driver'
     369 | module_platform_driver(dwc_pwm_plat_driver);
         | ^~~~~~~~~~~~~~~~~~~~~~
   include/linux/module.h:139:49: note: previous definition of '__exittest' with type 'void (*(void))(void)'
     139 |         static inline exitcall_t __maybe_unused __exittest(void)                \
         |                                                 ^~~~~~~~~~
   include/linux/device/driver.h:271:1: note: in expansion of macro 'module_exit'
     271 | module_exit(__driver##_exit);
         | ^~~~~~~~~~~
   include/linux/pci.h:1481:9: note: in expansion of macro 'module_driver'
    1481 |         module_driver(__pci_driver, pci_register_driver, pci_unregister_driver)
         |         ^~~~~~~~~~~~~
   drivers/pwm/pwm-dwc.c:321:1: note: in expansion of macro 'module_pci_driver'
     321 | module_pci_driver(dwc_pwm_driver);
         | ^~~~~~~~~~~~~~~~~
>> include/linux/module.h:141:14: error: redefinition of 'cleanup_module'
     141 |         void cleanup_module(void) __copy(exitfn)                \
         |              ^~~~~~~~~~~~~~
   include/linux/device/driver.h:271:1: note: in expansion of macro 'module_exit'
     271 | module_exit(__driver##_exit);
         | ^~~~~~~~~~~
   include/linux/platform_device.h:264:9: note: in expansion of macro 'module_driver'
     264 |         module_driver(__platform_driver, platform_driver_register, \
         |         ^~~~~~~~~~~~~
   drivers/pwm/pwm-dwc.c:369:1: note: in expansion of macro 'module_platform_driver'
     369 | module_platform_driver(dwc_pwm_plat_driver);
         | ^~~~~~~~~~~~~~~~~~~~~~
   include/linux/module.h:141:14: note: previous definition of 'cleanup_module' with type 'void(void)'
     141 |         void cleanup_module(void) __copy(exitfn)                \
         |              ^~~~~~~~~~~~~~
   include/linux/device/driver.h:271:1: note: in expansion of macro 'module_exit'
     271 | module_exit(__driver##_exit);
         | ^~~~~~~~~~~
   include/linux/pci.h:1481:9: note: in expansion of macro 'module_driver'
    1481 |         module_driver(__pci_driver, pci_register_driver, pci_unregister_driver)
         |         ^~~~~~~~~~~~~
   drivers/pwm/pwm-dwc.c:321:1: note: in expansion of macro 'module_pci_driver'
     321 | module_pci_driver(dwc_pwm_driver);
         | ^~~~~~~~~~~~~~~~~


vim +/__exittest +139 include/linux/module.h

0fd972a7d91d6e Paul Gortmaker 2015-05-01  128  
0fd972a7d91d6e Paul Gortmaker 2015-05-01  129  /* Each module must use one module_init(). */
0fd972a7d91d6e Paul Gortmaker 2015-05-01  130  #define module_init(initfn)					\
1f318a8bafcfba Arnd Bergmann  2017-02-01  131  	static inline initcall_t __maybe_unused __inittest(void)		\
0fd972a7d91d6e Paul Gortmaker 2015-05-01  132  	{ return initfn; }					\
cf68fffb66d60d Sami Tolvanen  2021-04-08  133  	int init_module(void) __copy(initfn)			\
cf68fffb66d60d Sami Tolvanen  2021-04-08  134  		__attribute__((alias(#initfn)));		\
cf68fffb66d60d Sami Tolvanen  2021-04-08  135  	__CFI_ADDRESSABLE(init_module, __initdata);
0fd972a7d91d6e Paul Gortmaker 2015-05-01  136  
0fd972a7d91d6e Paul Gortmaker 2015-05-01  137  /* This is only required if you want to be unloadable. */
0fd972a7d91d6e Paul Gortmaker 2015-05-01  138  #define module_exit(exitfn)					\
1f318a8bafcfba Arnd Bergmann  2017-02-01 @139  	static inline exitcall_t __maybe_unused __exittest(void)		\
0fd972a7d91d6e Paul Gortmaker 2015-05-01  140  	{ return exitfn; }					\
cf68fffb66d60d Sami Tolvanen  2021-04-08 @141  	void cleanup_module(void) __copy(exitfn)		\
cf68fffb66d60d Sami Tolvanen  2021-04-08  142  		__attribute__((alias(#exitfn)));		\
cf68fffb66d60d Sami Tolvanen  2021-04-08  143  	__CFI_ADDRESSABLE(cleanup_module, __exitdata);
0fd972a7d91d6e Paul Gortmaker 2015-05-01  144  

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