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* [esmil:d1-6.8.y 33/50] sound/soc/sunxi/sun20i-codec.c:427:14: warning: duplicate 'const' declaration specifier
@ 2024-02-08 18:24 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-02-08 18:24 UTC (permalink / raw)
  To: Samuel Holland; +Cc: llvm, oe-kbuild-all, Emil Renner Berthing

tree:   https://github.com/esmil/linux d1-6.8.y
head:   f3b6698ac10e7f6528408bda7d8d162065a44af1
commit: 2bf2b3c3e381c76f1f04c3863bfbd5e03b35195f [33/50] ASoC: sun20i-codec: New driver for D1 internal codec
config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20240209/202402090253.dnjRPDPC-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 7dd790db8b77c4a833c06632e903dc4f13877a64)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240209/202402090253.dnjRPDPC-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/202402090253.dnjRPDPC-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from sound/soc/sunxi/sun20i-codec.c:4:
   In file included from include/linux/io.h:13:
   In file included from arch/s390/include/asm/io.h:78:
   include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     547 |         val = __raw_readb(PCI_IOBASE + addr);
         |                           ~~~~~~~~~~ ^
   include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     560 |         val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
         |                                                         ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu'
      37 | #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x))
         |                                                           ^
   include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16'
     102 | #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x))
         |                                                      ^
   In file included from sound/soc/sunxi/sun20i-codec.c:4:
   In file included from include/linux/io.h:13:
   In file included from arch/s390/include/asm/io.h:78:
   include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     573 |         val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
         |                                                         ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu'
      35 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
         |                                                           ^
   include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32'
     115 | #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x))
         |                                                      ^
   In file included from sound/soc/sunxi/sun20i-codec.c:4:
   In file included from include/linux/io.h:13:
   In file included from arch/s390/include/asm/io.h:78:
   include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     584 |         __raw_writeb(value, PCI_IOBASE + addr);
         |                             ~~~~~~~~~~ ^
   include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     594 |         __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
         |                                                       ~~~~~~~~~~ ^
   include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     604 |         __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
         |                                                       ~~~~~~~~~~ ^
   include/asm-generic/io.h:692:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     692 |         readsb(PCI_IOBASE + addr, buffer, count);
         |                ~~~~~~~~~~ ^
   include/asm-generic/io.h:700:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     700 |         readsw(PCI_IOBASE + addr, buffer, count);
         |                ~~~~~~~~~~ ^
   include/asm-generic/io.h:708:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     708 |         readsl(PCI_IOBASE + addr, buffer, count);
         |                ~~~~~~~~~~ ^
   include/asm-generic/io.h:717:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     717 |         writesb(PCI_IOBASE + addr, buffer, count);
         |                 ~~~~~~~~~~ ^
   include/asm-generic/io.h:726:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     726 |         writesw(PCI_IOBASE + addr, buffer, count);
         |                 ~~~~~~~~~~ ^
   include/asm-generic/io.h:735:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     735 |         writesl(PCI_IOBASE + addr, buffer, count);
         |                 ~~~~~~~~~~ ^
>> sound/soc/sunxi/sun20i-codec.c:427:14: warning: duplicate 'const' declaration specifier [-Wduplicate-decl-specifier]
     427 | static const SOC_ENUM_DOUBLE_DECL(sun20i_codec_line_out_mode_enum,
         |              ^
   include/sound/soc.h:384:2: note: expanded from macro 'SOC_ENUM_DOUBLE_DECL'
     384 |         const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \
         |         ^
   13 warnings generated.


vim +/const +427 sound/soc/sunxi/sun20i-codec.c

   426	
 > 427	static const SOC_ENUM_DOUBLE_DECL(sun20i_codec_line_out_mode_enum,
   428					  SUN20I_CODEC_DAC,
   429					  SUN20I_CODEC_DAC_LINEOUTL_DIFFEN,
   430					  SUN20I_CODEC_DAC_LINEOUTR_DIFFEN,
   431					  sun20i_codec_line_out_mode_enum_text);
   432	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

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