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 <[email protected]> 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 <[email protected]> :::::: CC: Linus Torvalds <[email protected]> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
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