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Date:   Sat, 28 Oct 2023 21:42:57 +0800
From:   kernel test robot <lkp@intel.com>
To:     Anshuman Khandual <anshuman.khandual@arm.com>,
        linux-arm-kernel@lists.infradead.org, suzuki.poulose@arm.com
Cc:     oe-kbuild-all@lists.linux.dev,
        Anshuman Khandual <anshuman.khandual@arm.com>,
        Lorenzo Pieralisi <lpieralisi@kernel.org>,
        Sudeep Holla <sudeep.holla@arm.com>,
        Mike Leach <mike.leach@linaro.org>,
        James Clark <james.clark@arm.com>,
        Maxime Coquelin <mcoquelin.stm32@gmail.com>,
        Alexandre Torgue <alexandre.torgue@foss.st.com>,
        linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org,
        coresight@lists.linaro.org,
        linux-stm32@st-md-mailman.stormreply.com
Subject: Re: [PATCH 7/7] coresight: debug: Move ACPI support from AMBA driver
 to platform driver
Message-ID: <202310282104.0VVIo070-lkp@intel.com>
References: <20231027072943.3418997-8-anshuman.khandual@arm.com>
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In-Reply-To: <20231027072943.3418997-8-anshuman.khandual@arm.com>
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Hi Anshuman,

kernel test robot noticed the following build errors:

[auto build test ERROR on rafael-pm/linux-next]
[also build test ERROR on rafael-pm/acpi-bus soc/for-next atorgue-stm32/stm32-next linus/master v6.6-rc7 next-20231027]
[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/Anshuman-Khandual/coresight-replicator-Move-ACPI-support-from-AMBA-driver-to-platform-driver/20231027-153540
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
patch link:    https://lore.kernel.org/r/20231027072943.3418997-8-anshuman.khandual%40arm.com
patch subject: [PATCH 7/7] coresight: debug: Move ACPI support from AMBA driver to platform driver
config: arm64-randconfig-003-20231028 (https://download.01.org/0day-ci/archive/20231028/202310282104.0VVIo070-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231028/202310282104.0VVIo070-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202310282104.0VVIo070-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from include/linux/device/driver.h:21,
                    from include/linux/device.h:32,
                    from include/linux/amba/bus.h:15,
                    from drivers/hwtracing/coresight/coresight-cpu-debug.c:7:
   include/linux/module.h:131:49: error: redefinition of '__inittest'
     131 |         static inline initcall_t __maybe_unused __inittest(void)                \
         |                                                 ^~~~~~~~~~
   include/linux/device/driver.h:262:1: note: in expansion of macro 'module_init'
     262 | module_init(__driver##_init); \
         | ^~~~~~~~~~~
   include/linux/platform_device.h:303:9: note: in expansion of macro 'module_driver'
     303 |         module_driver(__platform_driver, platform_driver_register, \
         |         ^~~~~~~~~~~~~
   drivers/hwtracing/coresight/coresight-cpu-debug.c:784:1: note: in expansion of macro 'module_platform_driver'
     784 | module_platform_driver(debug_platform_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:262:1: note: in expansion of macro 'module_init'
     262 | module_init(__driver##_init); \
         | ^~~~~~~~~~~
   include/linux/amba/bus.h:186:9: note: in expansion of macro 'module_driver'
     186 |         module_driver(__amba_drv, amba_driver_register, amba_driver_unregister)
         |         ^~~~~~~~~~~~~
   drivers/hwtracing/coresight/coresight-cpu-debug.c:692:1: note: in expansion of macro 'module_amba_driver'
     692 | module_amba_driver(debug_driver);
         | ^~~~~~~~~~~~~~~~~~
   include/linux/module.h:133:13: error: redefinition of 'init_module'
     133 |         int init_module(void) __copy(initfn)                    \
         |             ^~~~~~~~~~~
   include/linux/device/driver.h:262:1: note: in expansion of macro 'module_init'
     262 | module_init(__driver##_init); \
         | ^~~~~~~~~~~
   include/linux/platform_device.h:303:9: note: in expansion of macro 'module_driver'
     303 |         module_driver(__platform_driver, platform_driver_register, \
         |         ^~~~~~~~~~~~~
   drivers/hwtracing/coresight/coresight-cpu-debug.c:784:1: note: in expansion of macro 'module_platform_driver'
     784 | module_platform_driver(debug_platform_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:262:1: note: in expansion of macro 'module_init'
     262 | module_init(__driver##_init); \
         | ^~~~~~~~~~~
   include/linux/amba/bus.h:186:9: note: in expansion of macro 'module_driver'
     186 |         module_driver(__amba_drv, amba_driver_register, amba_driver_unregister)
         |         ^~~~~~~~~~~~~
   drivers/hwtracing/coresight/coresight-cpu-debug.c:692:1: note: in expansion of macro 'module_amba_driver'
     692 | module_amba_driver(debug_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:267:1: note: in expansion of macro 'module_exit'
     267 | module_exit(__driver##_exit);
         | ^~~~~~~~~~~
   include/linux/platform_device.h:303:9: note: in expansion of macro 'module_driver'
     303 |         module_driver(__platform_driver, platform_driver_register, \
         |         ^~~~~~~~~~~~~
   drivers/hwtracing/coresight/coresight-cpu-debug.c:784:1: note: in expansion of macro 'module_platform_driver'
     784 | module_platform_driver(debug_platform_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:267:1: note: in expansion of macro 'module_exit'
     267 | module_exit(__driver##_exit);
         | ^~~~~~~~~~~
   include/linux/amba/bus.h:186:9: note: in expansion of macro 'module_driver'
     186 |         module_driver(__amba_drv, amba_driver_register, amba_driver_unregister)
         |         ^~~~~~~~~~~~~
   drivers/hwtracing/coresight/coresight-cpu-debug.c:692:1: note: in expansion of macro 'module_amba_driver'
     692 | module_amba_driver(debug_driver);
         | ^~~~~~~~~~~~~~~~~~
>> include/linux/module.h:141:14: error: redefinition of 'cleanup_module'
     141 |         void cleanup_module(void) __copy(exitfn)                \
         |              ^~~~~~~~~~~~~~
   include/linux/device/driver.h:267:1: note: in expansion of macro 'module_exit'
     267 | module_exit(__driver##_exit);
         | ^~~~~~~~~~~
   include/linux/platform_device.h:303:9: note: in expansion of macro 'module_driver'
     303 |         module_driver(__platform_driver, platform_driver_register, \
         |         ^~~~~~~~~~~~~
   drivers/hwtracing/coresight/coresight-cpu-debug.c:784:1: note: in expansion of macro 'module_platform_driver'
     784 | module_platform_driver(debug_platform_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:267:1: note: in expansion of macro 'module_exit'
     267 | module_exit(__driver##_exit);
         | ^~~~~~~~~~~
   include/linux/amba/bus.h:186:9: note: in expansion of macro 'module_driver'
     186 |         module_driver(__amba_drv, amba_driver_register, amba_driver_unregister)
         |         ^~~~~~~~~~~~~
   drivers/hwtracing/coresight/coresight-cpu-debug.c:692:1: note: in expansion of macro 'module_amba_driver'
     692 | module_amba_driver(debug_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)));		\
92efda8eb15295 Sami Tolvanen  2022-09-08  135  	___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)));		\
92efda8eb15295 Sami Tolvanen  2022-09-08  143  	___ADDRESSABLE(cleanup_module, __exitdata);
0fd972a7d91d6e Paul Gortmaker 2015-05-01  144  

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