[arnd-playground:randconfig-7.3-next 610/673] arch/sparc/include/asm/page_32.h:127:9: warning: 'virt_to_phys' redefined

[arnd-playground:randconfig-7.3-next 610/673] arch/sparc/include/asm/page_32.h:127:9: warning: 'virt_to_phys' redefined

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git randconfig-7.3-next
head:   0a1affa74ef2f2c5c5ee74fc604e47a1aefdd286
commit: d217cdb672619041e213243f6f352cb6422d3a59 [610/673] Revert "simplify asm/io.h"
config: sparc-allnoconfig (https://download.01.org/0day-ci/archive/20260925/202609252258.3Zc17438-lkp@intel.com/config)
compiler: sparc-linux-gcc (GCC) 16.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260925/202609252258.3Zc17438-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/202609252258.3Zc17438-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from arch/sparc/include/asm/io_32.h:21,
                    from arch/sparc/include/asm/io.h:7,
                    from include/linux/io.h:12,
                    from lib/iomem_copy.c:8:
   include/asm-generic/io.h: In function 'virt_to_phys':
   include/asm-generic/io.h:1099:16: error: implicit declaration of function '__pa' [-Wimplicit-function-declaration]
    1099 |         return __pa((unsigned long)address);
         |                ^~~~
   include/asm-generic/io.h: In function 'phys_to_virt':
   include/asm-generic/io.h:1107:16: error: implicit declaration of function '__va' [-Wimplicit-function-declaration]
    1107 |         return __va(address);
         |                ^~~~
   include/asm-generic/io.h:1107:16: error: returning 'int' from a function with return type 'void *' makes pointer from integer without a cast [-Wint-conversion]
    1107 |         return __va(address);
         |                ^~~~~~~~~~~~~
   In file included from arch/sparc/include/asm/page.h:8,
                    from include/linux/io.h:13:
   arch/sparc/include/asm/page_32.h: At top level:
>> arch/sparc/include/asm/page_32.h:127:9: warning: 'virt_to_phys' redefined
     127 | #define virt_to_phys            __pa
         |         ^~~~~~~~~~~~
   include/asm-generic/io.h:1096:9: note: this is the location of the previous definition
    1096 | #define virt_to_phys virt_to_phys
         |         ^~~~~~~~~~~~
>> arch/sparc/include/asm/page_32.h:128:9: warning: 'phys_to_virt' redefined
     128 | #define phys_to_virt            __va
         |         ^~~~~~~~~~~~
   include/asm-generic/io.h:1104:9: note: this is the location of the previous definition
    1104 | #define phys_to_virt phys_to_virt
         |         ^~~~~~~~~~~~


vim +/virt_to_phys +127 arch/sparc/include/asm/page_32.h

f5e706ad886b6a include/asm-sparc/page_32.h Sam Ravnborg 2008-07-17  126  
f5e706ad886b6a include/asm-sparc/page_32.h Sam Ravnborg 2008-07-17 @127  #define virt_to_phys		__pa
f5e706ad886b6a include/asm-sparc/page_32.h Sam Ravnborg 2008-07-17 @128  #define phys_to_virt		__va
f5e706ad886b6a include/asm-sparc/page_32.h Sam Ravnborg 2008-07-17  129  

:::::: The code at line 127 was first introduced by commit
:::::: f5e706ad886b6a5eb59637830110b09ccebf01c5 sparc: join the remaining header files

:::::: TO: Sam Ravnborg <sam@ravnborg.org>
:::::: CC: David S. Miller <davem@davemloft.net>

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