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* [robh:dt/header-cleanups 57/59] drivers/regulator/ti-abb-regulator.c:669:34: warning: unused variable 'ti_abb_of_match'
@ 2023-05-02  2:10 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2023-05-02  2:10 UTC (permalink / raw)
  To: Rob Herring; +Cc: llvm, oe-kbuild-all

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git dt/header-cleanups
head:   34ab035cf8c37588331031cac8fc0dd07f15f3cc
commit: 23496cc222294cb10cd0a3601c443f75a5016ad6 [57/59] Use of_device_get_match_data
config: hexagon-randconfig-r031-20230501 (https://download.01.org/0day-ci/archive/20230502/202305021028.M12yAwRC-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project b1465cd49efcbc114a75220b153f5a055ce7911f)
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://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git/commit/?id=23496cc222294cb10cd0a3601c443f75a5016ad6
        git remote add robh https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git
        git fetch --no-tags robh dt/header-cleanups
        git checkout 23496cc222294cb10cd0a3601c443f75a5016ad6
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/regulator/ sound/soc/codecs/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202305021028.M12yAwRC-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from drivers/regulator/ti-abb-regulator.c:15:
   In file included from include/linux/io.h:13:
   In file included from arch/hexagon/include/asm/io.h:334:
   include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           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]
           val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
                                                           ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
   #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
                                                     ^
   In file included from drivers/regulator/ti-abb-regulator.c:15:
   In file included from include/linux/io.h:13:
   In file included from arch/hexagon/include/asm/io.h:334:
   include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
                                                           ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
   #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
                                                     ^
   In file included from drivers/regulator/ti-abb-regulator.c:15:
   In file included from include/linux/io.h:13:
   In file included from arch/hexagon/include/asm/io.h:334:
   include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           __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]
           __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]
           __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
                                                         ~~~~~~~~~~ ^
>> drivers/regulator/ti-abb-regulator.c:669:34: warning: unused variable 'ti_abb_of_match' [-Wunused-const-variable]
   static const struct of_device_id ti_abb_of_match[] = {
                                    ^
   7 warnings generated.
--
   In file included from sound/soc/codecs/rt5677.c:16:
   In file included from include/linux/regmap.h:20:
   In file included from include/linux/iopoll.h:14:
   In file included from include/linux/io.h:13:
   In file included from arch/hexagon/include/asm/io.h:334:
   include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           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]
           val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
                                                           ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
   #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
                                                     ^
   In file included from sound/soc/codecs/rt5677.c:16:
   In file included from include/linux/regmap.h:20:
   In file included from include/linux/iopoll.h:14:
   In file included from include/linux/io.h:13:
   In file included from arch/hexagon/include/asm/io.h:334:
   include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
                                                           ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
   #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
                                                     ^
   In file included from sound/soc/codecs/rt5677.c:16:
   In file included from include/linux/regmap.h:20:
   In file included from include/linux/iopoll.h:14:
   In file included from include/linux/io.h:13:
   In file included from arch/hexagon/include/asm/io.h:334:
   include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           __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]
           __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]
           __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
                                                         ~~~~~~~~~~ ^
>> sound/soc/codecs/rt5677.c:5233:36: warning: unused variable 'rt5677_acpi_match' [-Wunused-const-variable]
   static const struct acpi_device_id rt5677_acpi_match[] = {
                                      ^
   7 warnings generated.


vim +/ti_abb_of_match +669 drivers/regulator/ti-abb-regulator.c

6127daa85094e2 Nishanth Menon     2014-01-23  668  
40b1936efebdb9 Andrii.Tseglytskyi 2013-05-02 @669  static const struct of_device_id ti_abb_of_match[] = {
40b1936efebdb9 Andrii.Tseglytskyi 2013-05-02  670  	{.compatible = "ti,abb-v1", .data = &abb_regs_v1},
40b1936efebdb9 Andrii.Tseglytskyi 2013-05-02  671  	{.compatible = "ti,abb-v2", .data = &abb_regs_v2},
6127daa85094e2 Nishanth Menon     2014-01-23  672  	{.compatible = "ti,abb-v3", .data = &abb_regs_generic},
40b1936efebdb9 Andrii.Tseglytskyi 2013-05-02  673  	{ },
40b1936efebdb9 Andrii.Tseglytskyi 2013-05-02  674  };
40b1936efebdb9 Andrii.Tseglytskyi 2013-05-02  675  

:::::: The code at line 669 was first introduced by commit
:::::: 40b1936efebdb9c31d9ed6fe59055f71ea366509 regulator: Introduce TI Adaptive Body Bias(ABB) on-chip LDO driver

:::::: TO: Andrii.Tseglytskyi <andrii.tseglytskyi@ti.com>
:::::: CC: Mark Brown <broonie@opensource.wolfsonmicro.com>

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

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