Hi Yuxi, kernel test robot noticed the following build errors: [auto build test ERROR on pavel-leds/for-next] [also build test ERROR on linus/master v6.10-rc3 next-20240611] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Yuxi-Wang/dt-bindings-leds-add-mps-mp3326-LED/20240611-165810 base: git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds.git for-next patch link: https://lore.kernel.org/r/20240611083236.1609-3-Yuxi.Wang%40monolithicpower.com patch subject: [PATCH V2 2/2] leds: add mp3326 driver config: s390-randconfig-r081-20240612 (https://download.01.org/0day-ci/archive/20240612/202406120751.SskLd0jn-lkp@xxxxxxxxx/config) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 4403cdbaf01379de96f8d0d6ea4f51a085e37766) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240612/202406120751.SskLd0jn-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202406120751.SskLd0jn-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from drivers/leds/leds-mp3326.c:10: In file included from include/linux/module.h:19: In file included from include/linux/elf.h:6: In file included from arch/s390/include/asm/elf.h:173: In file included from arch/s390/include/asm/mmu_context.h:11: In file included from arch/s390/include/asm/pgalloc.h:18: In file included from include/linux/mm.h:1856: include/linux/vmstat.h:502:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 502 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 503 | item]; | ~~~~ include/linux/vmstat.h:509:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 509 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 510 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:516:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 516 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:521:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 521 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 522 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:530:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 530 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 531 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/leds/leds-mp3326.c:13: 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/s390/include/asm/io.h:75: 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 drivers/leds/leds-mp3326.c:13: 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/s390/include/asm/io.h:75: 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 drivers/leds/leds-mp3326.c:13: 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/s390/include/asm/io.h:75: 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); | ~~~~~~~~~~ ^ drivers/leds/leds-mp3326.c:232:41: warning: variable 'i' is uninitialized when used here [-Wuninitialized] 232 | chip->regmap_fields[led->subled_info[i].channel] | ^ drivers/leds/leds-mp3326.c:220:7: note: initialize the variable 'i' to silence this warning 220 | int i; | ^ | = 0 >> drivers/leds/leds-mp3326.c:493:8: error: incompatible function pointer types initializing 'ssize_t (*)(struct device *, struct device_attribute *, char *)' (aka 'long (*)(struct device *, struct device_attribute *, char *)') with an expression of type 'int (struct device *, struct device_attribute *, char *)' [-Wincompatible-function-pointer-types] 493 | static DEVICE_ATTR_RW(led_pwm); | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/device.h:132:45: note: expanded from macro 'DEVICE_ATTR_RW' 132 | struct device_attribute dev_attr_##_name = __ATTR_RW(_name) | ^~~~~~~~~~~~~~~~ include/linux/sysfs.h:138:46: note: expanded from macro '__ATTR_RW' 138 | #define __ATTR_RW(_name) __ATTR(_name, 0644, _name##_show, _name##_store) | ^~~~~~~~~~~~ <scratch space>:105:1: note: expanded from here 105 | led_pwm_show | ^~~~~~~~~~~~ include/linux/sysfs.h:104:10: note: expanded from macro '__ATTR' 104 | .show = _show, \ | ^~~~~ >> drivers/leds/leds-mp3326.c:493:8: error: incompatible function pointer types initializing 'ssize_t (*)(struct device *, struct device_attribute *, const char *, size_t)' (aka 'long (*)(struct device *, struct device_attribute *, const char *, unsigned long)') with an expression of type 'int (struct device *, struct device_attribute *, const char *, size_t)' (aka 'int (struct device *, struct device_attribute *, const char *, unsigned long)') [-Wincompatible-function-pointer-types] 493 | static DEVICE_ATTR_RW(led_pwm); | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/device.h:132:45: note: expanded from macro 'DEVICE_ATTR_RW' 132 | struct device_attribute dev_attr_##_name = __ATTR_RW(_name) | ^~~~~~~~~~~~~~~~ include/linux/sysfs.h:138:60: note: expanded from macro '__ATTR_RW' 138 | #define __ATTR_RW(_name) __ATTR(_name, 0644, _name##_show, _name##_store) | ^~~~~~~~~~~~~ <scratch space>:106:1: note: expanded from here 106 | led_pwm_store | ^~~~~~~~~~~~~ include/linux/sysfs.h:105:11: note: expanded from macro '__ATTR' 105 | .store = _store, \ | ^~~~~~ drivers/leds/leds-mp3326.c:494:8: error: incompatible function pointer types initializing 'ssize_t (*)(struct device *, struct device_attribute *, char *)' (aka 'long (*)(struct device *, struct device_attribute *, char *)') with an expression of type 'int (struct device *, struct device_attribute *, char *)' [-Wincompatible-function-pointer-types] 494 | static DEVICE_ATTR_RW(led_enable); | ^~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/device.h:132:45: note: expanded from macro 'DEVICE_ATTR_RW' 132 | struct device_attribute dev_attr_##_name = __ATTR_RW(_name) | ^~~~~~~~~~~~~~~~ include/linux/sysfs.h:138:46: note: expanded from macro '__ATTR_RW' 138 | #define __ATTR_RW(_name) __ATTR(_name, 0644, _name##_show, _name##_store) | ^~~~~~~~~~~~ <scratch space>:109:1: note: expanded from here 109 | led_enable_show | ^~~~~~~~~~~~~~~ include/linux/sysfs.h:104:10: note: expanded from macro '__ATTR' 104 | .show = _show, \ | ^~~~~ drivers/leds/leds-mp3326.c:494:8: error: incompatible function pointer types initializing 'ssize_t (*)(struct device *, struct device_attribute *, const char *, size_t)' (aka 'long (*)(struct device *, struct device_attribute *, const char *, unsigned long)') with an expression of type 'int (struct device *, struct device_attribute *, const char *, size_t)' (aka 'int (struct device *, struct device_attribute *, const char *, unsigned long)') [-Wincompatible-function-pointer-types] 494 | static DEVICE_ATTR_RW(led_enable); | ^~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/device.h:132:45: note: expanded from macro 'DEVICE_ATTR_RW' 132 | struct device_attribute dev_attr_##_name = __ATTR_RW(_name) | ^~~~~~~~~~~~~~~~ include/linux/sysfs.h:138:60: note: expanded from macro '__ATTR_RW' 138 | #define __ATTR_RW(_name) __ATTR(_name, 0644, _name##_show, _name##_store) | ^~~~~~~~~~~~~ <scratch space>:110:1: note: expanded from here 110 | led_enable_store | ^~~~~~~~~~~~~~~~ include/linux/sysfs.h:105:11: note: expanded from macro '__ATTR' 105 | .store = _store, \ | ^~~~~~ drivers/leds/leds-mp3326.c:495:8: error: incompatible function pointer types initializing 'ssize_t (*)(struct device *, struct device_attribute *, char *)' (aka 'long (*)(struct device *, struct device_attribute *, char *)') with an expression of type 'int (struct device *, struct device_attribute *, char *)' [-Wincompatible-function-pointer-types] 495 | static DEVICE_ATTR_RO(led_short_fault); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/device.h:136:45: note: expanded from macro 'DEVICE_ATTR_RO' 136 | struct device_attribute dev_attr_##_name = __ATTR_RO(_name) | ^~~~~~~~~~~~~~~~ include/linux/sysfs.h:117:10: note: expanded from macro '__ATTR_RO' 117 | .show = _name##_show, \ | ^~~~~~~~~~~~ <scratch space>:114:1: note: expanded from here 114 | led_short_fault_show | ^~~~~~~~~~~~~~~~~~~~ drivers/leds/leds-mp3326.c:496:8: error: incompatible function pointer types initializing 'ssize_t (*)(struct device *, struct device_attribute *, char *)' (aka 'long (*)(struct device *, struct device_attribute *, char *)') with an expression of type 'int (struct device *, struct device_attribute *, char *)' [-Wincompatible-function-pointer-types] 496 | static DEVICE_ATTR_RO(led_open_fault); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/device.h:136:45: note: expanded from macro 'DEVICE_ATTR_RO' 136 | struct device_attribute dev_attr_##_name = __ATTR_RO(_name) | ^~~~~~~~~~~~~~~~ include/linux/sysfs.h:117:10: note: expanded from macro '__ATTR_RO' 117 | .show = _name##_show, \ | ^~~~~~~~~~~~ <scratch space>:117:1: note: expanded from here 117 | led_open_fault_show | ^~~~~~~~~~~~~~~~~~~ drivers/leds/leds-mp3326.c:686:11: error: incompatible function pointer types initializing 'int (*)(struct i2c_client *, const struct i2c_device_id *)' with an expression of type 'int (struct i2c_client *)' [-Wincompatible-function-pointer-types] 686 | .probe = mp3326_leds_probe, | ^~~~~~~~~~~~~~~~~ 18 warnings and 7 errors generated. vim +493 drivers/leds/leds-mp3326.c 492 > 493 static DEVICE_ATTR_RW(led_pwm); 494 static DEVICE_ATTR_RW(led_enable); 495 static DEVICE_ATTR_RO(led_short_fault); 496 static DEVICE_ATTR_RO(led_open_fault); 497 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
