[PATCH] hwrng: Add Arm SMCCC TRNG based driver

[kernel test robot]

Hi Andre,

I love your patch! Yet something to improve:

[auto build test ERROR on char-misc/char-misc-testing]
[also build test ERROR on cryptodev/master v5.13-rc4 next-20210604]
[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]

url:    https://github.com/0day-ci/linux/commits/Andre-Przywara/hwrng-Add-Arm-SMCCC-TRNG-based-driver/20210605-010413
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git 603e4922f1c81fc2ed3a87b4f91a8d3aafc7e093
config: arm64-defconfig (attached as .config)
compiler: aarch64-linux-gcc (GCC) 9.3.0
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/0day-ci/linux/commit/8621d0b34bd766e57a245ca5dd796343235ab8d5
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Andre-Przywara/hwrng-Add-Arm-SMCCC-TRNG-based-driver/20210605-010413
        git checkout 8621d0b34bd766e57a245ca5dd796343235ab8d5
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>

All errors (new ones prefixed by >>):

   In file included from drivers/char/hw_random/arm_smccc_trng.c:18:
>> include/linux/module.h:130:42: error: redefinition of '__inittest'
     130 |  static inline initcall_t __maybe_unused __inittest(void)  \
         |                                          ^~~~~~~~~~
   include/linux/module.h:121:30: note: in expansion of macro 'module_init'
     121 | #define device_initcall(fn)  module_init(fn)
         |                              ^~~~~~~~~~~
   drivers/char/hw_random/arm_smccc_trng.c:159:1: note: in expansion of macro 'device_initcall'
     159 | device_initcall(smccc_trng_dev_init);
         | ^~~~~~~~~~~~~~~
   include/linux/module.h:130:42: note: previous definition of '__inittest' was here
     130 |  static inline initcall_t __maybe_unused __inittest(void)  \
         |                                          ^~~~~~~~~~
   include/linux/device/driver.h:263:1: note: in expansion of macro 'module_init'
     263 | module_init(__driver##_init); \
         | ^~~~~~~~~~~
   include/linux/platform_device.h:257:2: note: in expansion of macro 'module_driver'
     257 |  module_driver(__platform_driver, platform_driver_register, \
         |  ^~~~~~~~~~~~~
   drivers/char/hw_random/arm_smccc_trng.c:150:1: note: in expansion of macro 'module_platform_driver'
     150 | module_platform_driver(smccc_trng_driver);
         | ^~~~~~~~~~~~~~~~~~~~~~
>> include/linux/module.h:132:6: error: redefinition of 'init_module'
     132 |  int init_module(void) __copy(initfn)   \
         |      ^~~~~~~~~~~
   include/linux/module.h:121:30: note: in expansion of macro 'module_init'
     121 | #define device_initcall(fn)  module_init(fn)
         |                              ^~~~~~~~~~~
   drivers/char/hw_random/arm_smccc_trng.c:159:1: note: in expansion of macro 'device_initcall'
     159 | device_initcall(smccc_trng_dev_init);
         | ^~~~~~~~~~~~~~~
   include/linux/module.h:132:6: note: previous definition of 'init_module' was here
     132 |  int init_module(void) __copy(initfn)   \
         |      ^~~~~~~~~~~
   include/linux/device/driver.h:263:1: note: in expansion of macro 'module_init'
     263 | module_init(__driver##_init); \
         | ^~~~~~~~~~~
   include/linux/platform_device.h:257:2: note: in expansion of macro 'module_driver'
     257 |  module_driver(__platform_driver, platform_driver_register, \
         |  ^~~~~~~~~~~~~
   drivers/char/hw_random/arm_smccc_trng.c:150:1: note: in expansion of macro 'module_platform_driver'
     150 | module_platform_driver(smccc_trng_driver);
         | ^~~~~~~~~~~~~~~~~~~~~~


vim +/__inittest +130 include/linux/module.h

0fd972a7d91d6e Paul Gortmaker 2015-05-01  127  
0fd972a7d91d6e Paul Gortmaker 2015-05-01  128  /* Each module must use one module_init(). */
0fd972a7d91d6e Paul Gortmaker 2015-05-01  129  #define module_init(initfn)					\
1f318a8bafcfba Arnd Bergmann  2017-02-01 @130  	static inline initcall_t __maybe_unused __inittest(void)		\
0fd972a7d91d6e Paul Gortmaker 2015-05-01  131  	{ return initfn; }					\
cf68fffb66d60d Sami Tolvanen  2021-04-08 @132  	int init_module(void) __copy(initfn)			\
cf68fffb66d60d Sami Tolvanen  2021-04-08  133  		__attribute__((alias(#initfn)));		\
cf68fffb66d60d Sami Tolvanen  2021-04-08  134  	__CFI_ADDRESSABLE(init_module, __initdata);
0fd972a7d91d6e Paul Gortmaker 2015-05-01  135  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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