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Date:   Fri, 19 Mar 2021 15:04:52 +0800
From:   kernel test robot <lkp@...el.com>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>
Subject: include/linux/unaligned/be_byteshift.h:46:19: error: redefinition of
 'get_unaligned_be32'

Hi Linus,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   8b12a62a4e3ed4ae99c715034f557eb391d6b196
commit: de8860b1ed4701ea7e6f760f02d79ca6a3b656a1 iio: magnetometer: Add driver for Yamaha YAS530
date:   10 weeks ago
config: m68k-randconfig-s032-20210318 (attached as .config)
compiler: m68k-linux-gcc (GCC) 9.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.3-277-gc089cd2d-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=de8860b1ed4701ea7e6f760f02d79ca6a3b656a1
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout de8860b1ed4701ea7e6f760f02d79ca6a3b656a1
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=m68k 

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

All errors (new ones prefixed by >>):

   In file included from include/linux/build_bug.h:5,
                    from include/linux/bitfield.h:10,
                    from drivers/iio/magnetometer/yamaha-yas530.c:22:
   include/linux/scatterlist.h: In function 'sg_set_buf':
   arch/m68k/include/asm/page_no.h:33:50: warning: ordered comparison of pointer with null pointer [-Wextra]
      33 | #define virt_addr_valid(kaddr) (((void *)(kaddr) >= (void *)PAGE_OFFSET) && \
         |                                                  ^~
   include/linux/compiler.h:78:42: note: in definition of macro 'unlikely'
      78 | # define unlikely(x) __builtin_expect(!!(x), 0)
         |                                          ^
   include/linux/scatterlist.h:137:2: note: in expansion of macro 'BUG_ON'
     137 |  BUG_ON(!virt_addr_valid(buf));
         |  ^~~~~~
   include/linux/scatterlist.h:137:10: note: in expansion of macro 'virt_addr_valid'
     137 |  BUG_ON(!virt_addr_valid(buf));
         |          ^~~~~~~~~~~~~~~
   In file included from drivers/iio/magnetometer/yamaha-yas530.c:35:
   include/linux/unaligned/be_byteshift.h: At top level:
   include/linux/unaligned/be_byteshift.h:41:19: error: redefinition of 'get_unaligned_be16'
      41 | static inline u16 get_unaligned_be16(const void *p)
         |                   ^~~~~~~~~~~~~~~~~~
   In file included from arch/m68k/include/asm/unaligned.h:18,
                    from include/asm-generic/uaccess.h:13,
                    from arch/m68k/include/asm/uaccess.h:394,
                    from include/linux/uaccess.h:11,
                    from include/linux/sched/task.h:11,
                    from include/linux/sched/signal.h:9,
                    from include/linux/rcuwait.h:6,
                    from include/linux/percpu-rwsem.h:7,
                    from include/linux/fs.h:33,
                    from include/linux/cgroup.h:17,
                    from include/linux/memcontrol.h:13,
                    from include/linux/swap.h:9,
                    from include/linux/suspend.h:5,
                    from include/linux/regulator/consumer.h:35,
                    from drivers/iio/magnetometer/yamaha-yas530.c:33:
   include/linux/unaligned/access_ok.h:23:28: note: previous definition of 'get_unaligned_be16' was here
      23 | static __always_inline u16 get_unaligned_be16(const void *p)
         |                            ^~~~~~~~~~~~~~~~~~
   In file included from drivers/iio/magnetometer/yamaha-yas530.c:35:
>> include/linux/unaligned/be_byteshift.h:46:19: error: redefinition of 'get_unaligned_be32'
      46 | static inline u32 get_unaligned_be32(const void *p)
         |                   ^~~~~~~~~~~~~~~~~~
   In file included from arch/m68k/include/asm/unaligned.h:18,
                    from include/asm-generic/uaccess.h:13,
                    from arch/m68k/include/asm/uaccess.h:394,
                    from include/linux/uaccess.h:11,
                    from include/linux/sched/task.h:11,
                    from include/linux/sched/signal.h:9,
                    from include/linux/rcuwait.h:6,
                    from include/linux/percpu-rwsem.h:7,
                    from include/linux/fs.h:33,
                    from include/linux/cgroup.h:17,
                    from include/linux/memcontrol.h:13,
                    from include/linux/swap.h:9,
                    from include/linux/suspend.h:5,
                    from include/linux/regulator/consumer.h:35,
                    from drivers/iio/magnetometer/yamaha-yas530.c:33:
   include/linux/unaligned/access_ok.h:28:28: note: previous definition of 'get_unaligned_be32' was here
      28 | static __always_inline u32 get_unaligned_be32(const void *p)
         |                            ^~~~~~~~~~~~~~~~~~
   In file included from drivers/iio/magnetometer/yamaha-yas530.c:35:
   include/linux/unaligned/be_byteshift.h:51:19: error: redefinition of 'get_unaligned_be64'
      51 | static inline u64 get_unaligned_be64(const void *p)
         |                   ^~~~~~~~~~~~~~~~~~
   In file included from arch/m68k/include/asm/unaligned.h:18,
                    from include/asm-generic/uaccess.h:13,
                    from arch/m68k/include/asm/uaccess.h:394,
                    from include/linux/uaccess.h:11,
                    from include/linux/sched/task.h:11,
                    from include/linux/sched/signal.h:9,
                    from include/linux/rcuwait.h:6,
                    from include/linux/percpu-rwsem.h:7,
                    from include/linux/fs.h:33,
                    from include/linux/cgroup.h:17,
                    from include/linux/memcontrol.h:13,
                    from include/linux/swap.h:9,
                    from include/linux/suspend.h:5,
                    from include/linux/regulator/consumer.h:35,
                    from drivers/iio/magnetometer/yamaha-yas530.c:33:
   include/linux/unaligned/access_ok.h:33:28: note: previous definition of 'get_unaligned_be64' was here
      33 | static __always_inline u64 get_unaligned_be64(const void *p)
         |                            ^~~~~~~~~~~~~~~~~~
   In file included from drivers/iio/magnetometer/yamaha-yas530.c:35:
   include/linux/unaligned/be_byteshift.h:56:20: error: redefinition of 'put_unaligned_be16'
      56 | static inline void put_unaligned_be16(u16 val, void *p)
         |                    ^~~~~~~~~~~~~~~~~~
   In file included from arch/m68k/include/asm/unaligned.h:18,
                    from include/asm-generic/uaccess.h:13,
                    from arch/m68k/include/asm/uaccess.h:394,
                    from include/linux/uaccess.h:11,
                    from include/linux/sched/task.h:11,
                    from include/linux/sched/signal.h:9,
                    from include/linux/rcuwait.h:6,
                    from include/linux/percpu-rwsem.h:7,
                    from include/linux/fs.h:33,
                    from include/linux/cgroup.h:17,
                    from include/linux/memcontrol.h:13,
                    from include/linux/swap.h:9,
                    from include/linux/suspend.h:5,
                    from include/linux/regulator/consumer.h:35,
                    from drivers/iio/magnetometer/yamaha-yas530.c:33:
   include/linux/unaligned/access_ok.h:53:29: note: previous definition of 'put_unaligned_be16' was here
      53 | static __always_inline void put_unaligned_be16(u16 val, void *p)
         |                             ^~~~~~~~~~~~~~~~~~
   In file included from drivers/iio/magnetometer/yamaha-yas530.c:35:
>> include/linux/unaligned/be_byteshift.h:61:20: error: redefinition of 'put_unaligned_be32'
      61 | static inline void put_unaligned_be32(u32 val, void *p)
         |                    ^~~~~~~~~~~~~~~~~~
   In file included from arch/m68k/include/asm/unaligned.h:18,
                    from include/asm-generic/uaccess.h:13,
                    from arch/m68k/include/asm/uaccess.h:394,
                    from include/linux/uaccess.h:11,
                    from include/linux/sched/task.h:11,
                    from include/linux/sched/signal.h:9,
                    from include/linux/rcuwait.h:6,
                    from include/linux/percpu-rwsem.h:7,
                    from include/linux/fs.h:33,
                    from include/linux/cgroup.h:17,
                    from include/linux/memcontrol.h:13,
                    from include/linux/swap.h:9,
                    from include/linux/suspend.h:5,
                    from include/linux/regulator/consumer.h:35,
                    from drivers/iio/magnetometer/yamaha-yas530.c:33:
   include/linux/unaligned/access_ok.h:58:29: note: previous definition of 'put_unaligned_be32' was here
      58 | static __always_inline void put_unaligned_be32(u32 val, void *p)
         |                             ^~~~~~~~~~~~~~~~~~
   In file included from drivers/iio/magnetometer/yamaha-yas530.c:35:
   include/linux/unaligned/be_byteshift.h:66:20: error: redefinition of 'put_unaligned_be64'
      66 | static inline void put_unaligned_be64(u64 val, void *p)
         |                    ^~~~~~~~~~~~~~~~~~
   In file included from arch/m68k/include/asm/unaligned.h:18,
                    from include/asm-generic/uaccess.h:13,
                    from arch/m68k/include/asm/uaccess.h:394,
                    from include/linux/uaccess.h:11,
                    from include/linux/sched/task.h:11,
                    from include/linux/sched/signal.h:9,
                    from include/linux/rcuwait.h:6,
                    from include/linux/percpu-rwsem.h:7,
                    from include/linux/fs.h:33,
                    from include/linux/cgroup.h:17,
                    from include/linux/memcontrol.h:13,
                    from include/linux/swap.h:9,
                    from include/linux/suspend.h:5,
                    from include/linux/regulator/consumer.h:35,
                    from drivers/iio/magnetometer/yamaha-yas530.c:33:
   include/linux/unaligned/access_ok.h:63:29: note: previous definition of 'put_unaligned_be64' was here
      63 | static __always_inline void put_unaligned_be64(u64 val, void *p)
         |                             ^~~~~~~~~~~~~~~~~~

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for SND_ATMEL_SOC_PDC
   Depends on SOUND && !UML && SND && SND_SOC && SND_ATMEL_SOC && HAS_DMA
   Selected by
   - SND_ATMEL_SOC_SSC && SOUND && !UML && SND && SND_SOC && SND_ATMEL_SOC
   - SND_ATMEL_SOC_SSC_PDC && SOUND && !UML && SND && SND_SOC && SND_ATMEL_SOC && ATMEL_SSC


vim +/get_unaligned_be32 +46 include/linux/unaligned/be_byteshift.h

064106a91be5e7 Harvey Harrison 2008-04-29  45  
064106a91be5e7 Harvey Harrison 2008-04-29 @46  static inline u32 get_unaligned_be32(const void *p)
064106a91be5e7 Harvey Harrison 2008-04-29  47  {
19f747f7370fcf Bart Van Assche 2020-03-13  48  	return __get_unaligned_be32(p);
064106a91be5e7 Harvey Harrison 2008-04-29  49  }
064106a91be5e7 Harvey Harrison 2008-04-29  50  
064106a91be5e7 Harvey Harrison 2008-04-29  51  static inline u64 get_unaligned_be64(const void *p)
064106a91be5e7 Harvey Harrison 2008-04-29  52  {
19f747f7370fcf Bart Van Assche 2020-03-13  53  	return __get_unaligned_be64(p);
064106a91be5e7 Harvey Harrison 2008-04-29  54  }
064106a91be5e7 Harvey Harrison 2008-04-29  55  
064106a91be5e7 Harvey Harrison 2008-04-29  56  static inline void put_unaligned_be16(u16 val, void *p)
064106a91be5e7 Harvey Harrison 2008-04-29  57  {
064106a91be5e7 Harvey Harrison 2008-04-29  58  	__put_unaligned_be16(val, p);
064106a91be5e7 Harvey Harrison 2008-04-29  59  }
064106a91be5e7 Harvey Harrison 2008-04-29  60  
064106a91be5e7 Harvey Harrison 2008-04-29 @61  static inline void put_unaligned_be32(u32 val, void *p)
064106a91be5e7 Harvey Harrison 2008-04-29  62  {
064106a91be5e7 Harvey Harrison 2008-04-29  63  	__put_unaligned_be32(val, p);
064106a91be5e7 Harvey Harrison 2008-04-29  64  }
064106a91be5e7 Harvey Harrison 2008-04-29  65  

:::::: The code at line 46 was first introduced by commit
:::::: 064106a91be5e76cb42c1ddf5d3871e3a1bd2a23 kernel: add common infrastructure for unaligned access

:::::: TO: Harvey Harrison <harvey.harrison@...il.com>
:::::: CC: Linus Torvalds <torvalds@...ux-foundation.org>

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

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