Re: [PATCH v2 2/2] hwrng: add Zhaoxin HW RNG driver

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

Hi LeoLiu-oc,

kernel test robot noticed the following build warnings:

[auto build test WARNING on char-misc/char-misc-testing]
[also build test WARNING on char-misc/char-misc-next char-misc/char-misc-linus herbert-cryptodev-2.6/master linus/master v6.5-rc4 next-20230731]
[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/LeoLiu-oc/hwrng-via-rng-convert-to-x86_cpu_id-probing/20230731-164950
base:   char-misc/char-misc-testing
patch link:    https://lore.kernel.org/r/20230731084515.2057375-3-LeoLiu-oc%40zhaoxin.com
patch subject: [PATCH v2 2/2] hwrng: add Zhaoxin HW RNG driver
config: loongarch-allyesconfig (https://download.01.org/0day-ci/archive/20230731/202307311838.VQTSuKH4-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230731/202307311838.VQTSuKH4-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/202307311838.VQTSuKH4-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from arch/loongarch/include/asm/inst.h:10,
                    from arch/loongarch/include/asm/uprobes.h:5,
                    from include/linux/uprobes.h:49,
                    from include/linux/mm_types.h:16,
                    from include/linux/buildid.h:5,
                    from include/linux/module.h:14,
                    from drivers/char/hw_random/zhaoxin-rng.c:10:
>> arch/loongarch/include/asm/asm.h:35: warning: "STACK_ALIGN" redefined
      35 | #define STACK_ALIGN     ~(0xf)
         | 
   In file included from drivers/char/hw_random/zhaoxin-rng.c:9:
   include/crypto/padlock.h:19: note: this is the location of the previous definition
      19 | #define STACK_ALIGN 16
         | 
   drivers/char/hw_random/zhaoxin-rng.c:16:10: fatal error: asm/cpu_device_id.h: No such file or directory
      16 | #include <asm/cpu_device_id.h>
         |          ^~~~~~~~~~~~~~~~~~~~~
   compilation terminated.


vim +/STACK_ALIGN +35 arch/loongarch/include/asm/asm.h

b738c106f7355e Huacai Chen 2022-05-31  31  
b738c106f7355e Huacai Chen 2022-05-31  32  /*
b738c106f7355e Huacai Chen 2022-05-31  33   * Stack alignment
b738c106f7355e Huacai Chen 2022-05-31  34   */
b738c106f7355e Huacai Chen 2022-05-31 @35  #define STACK_ALIGN	~(0xf)
b738c106f7355e Huacai Chen 2022-05-31  36  

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