tree: https://git.kernel.org/pub/scm/linux/kernel/git/lee/leds.git for-leds-next head: b9bd590268485652b928110b5543057543b5d02b commit: efd0d1cbb8c5dd1049922e839fa7d85811facd53 [61/62] leds: leds-lp55xx: Convert mutex lock/unlock to guard API config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20240710/202407100245.4payjdih-lkp@xxxxxxxxx/config) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project a0c6b8aef853eedaa0980f07c0a502a5a8a9740e) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240710/202407100245.4payjdih-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/202407100245.4payjdih-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from drivers/leds/leds-lp5521.c:15: In file included from include/linux/i2c.h:13: In file included from include/linux/acpi.h:14: In file included from include/linux/device.h:32: In file included from include/linux/device/driver.h:21: 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:2253: include/linux/vmstat.h:500:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 500 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 501 | item]; | ~~~~ include/linux/vmstat.h:507:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 507 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 508 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:514:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 514 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:519:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 519 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 520 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:528:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 528 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 529 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ >> drivers/leds/leds-lp5521.c:189:15: error: too many arguments provided to function-like macro invocation 189 | guard(mutex, &chip->lock); | ^ include/linux/cleanup.h:163:9: note: macro 'guard' defined here 163 | #define guard(_name) \ | ^ >> drivers/leds/leds-lp5521.c:189:2: error: use of undeclared identifier 'guard' 189 | guard(mutex, &chip->lock); | ^ 5 warnings and 2 errors generated. -- In file included from drivers/leds/leds-lp5523.c:15: In file included from include/linux/i2c.h:13: In file included from include/linux/acpi.h:14: In file included from include/linux/device.h:32: In file included from include/linux/device/driver.h:21: 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:2253: include/linux/vmstat.h:500:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 500 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 501 | item]; | ~~~~ include/linux/vmstat.h:507:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 507 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 508 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:514:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 514 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:519:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 519 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 520 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:528:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 528 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 529 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ >> drivers/leds/leds-lp5523.c:192:15: error: too many arguments provided to function-like macro invocation 192 | guard(mutex, &chip->lock); | ^ include/linux/cleanup.h:163:9: note: macro 'guard' defined here 163 | #define guard(_name) \ | ^ >> drivers/leds/leds-lp5523.c:192:2: error: use of undeclared identifier 'guard' 192 | guard(mutex, &chip->lock); | ^ 5 warnings and 2 errors generated. -- In file included from drivers/leds/leds-lp5562.c:13: In file included from include/linux/i2c.h:13: In file included from include/linux/acpi.h:14: In file included from include/linux/device.h:32: In file included from include/linux/device/driver.h:21: 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:2253: include/linux/vmstat.h:500:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 500 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 501 | item]; | ~~~~ include/linux/vmstat.h:507:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 507 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 508 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:514:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 514 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:519:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 519 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 520 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:528:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 528 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 529 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ >> drivers/leds/leds-lp5562.c:175:15: error: too many arguments provided to function-like macro invocation 175 | guard(mutex, &chip->lock); | ^ include/linux/cleanup.h:163:9: note: macro 'guard' defined here 163 | #define guard(_name) \ | ^ >> drivers/leds/leds-lp5562.c:175:2: error: use of undeclared identifier 'guard' 175 | guard(mutex, &chip->lock); | ^ drivers/leds/leds-lp5562.c:272:15: error: too many arguments provided to function-like macro invocation 272 | guard(mutex, &chip->lock); | ^ include/linux/cleanup.h:163:9: note: macro 'guard' defined here 163 | #define guard(_name) \ | ^ drivers/leds/leds-lp5562.c:272:2: error: use of undeclared identifier 'guard' 272 | guard(mutex, &chip->lock); | ^ drivers/leds/leds-lp5562.c:324:15: error: too many arguments provided to function-like macro invocation 324 | guard(mutex, &chip->lock); | ^ include/linux/cleanup.h:163:9: note: macro 'guard' defined here 163 | #define guard(_name) \ | ^ drivers/leds/leds-lp5562.c:324:2: error: use of undeclared identifier 'guard' 324 | guard(mutex, &chip->lock); | ^ 5 warnings and 6 errors generated. -- In file included from drivers/leds/leds-lp5569.c:10: In file included from include/linux/i2c.h:13: In file included from include/linux/acpi.h:14: In file included from include/linux/device.h:32: In file included from include/linux/device/driver.h:21: 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:2253: include/linux/vmstat.h:500:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 500 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 501 | item]; | ~~~~ include/linux/vmstat.h:507:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 507 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 508 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:514:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 514 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:519:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 519 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 520 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:528:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 528 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 529 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ >> drivers/leds/leds-lp5569.c:400:15: error: too many arguments provided to function-like macro invocation 400 | guard(mutex, &chip->lock); | ^ include/linux/cleanup.h:163:9: note: macro 'guard' defined here 163 | #define guard(_name) \ | ^ >> drivers/leds/leds-lp5569.c:400:2: error: use of undeclared identifier 'guard' 400 | guard(mutex, &chip->lock); | ^ 5 warnings and 2 errors generated. -- In file included from drivers/leds/leds-lp55xx-common.c:17: In file included from include/linux/i2c.h:13: In file included from include/linux/acpi.h:14: In file included from include/linux/device.h:32: In file included from include/linux/device/driver.h:21: 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:2253: include/linux/vmstat.h:500:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 500 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 501 | item]; | ~~~~ include/linux/vmstat.h:507:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 507 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 508 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:514:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 514 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:519:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 519 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 520 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:528:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 528 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 529 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/leds/leds-lp55xx-common.c:18: In file included from include/linux/iopoll.h:14: In file included from include/linux/io.h:14: In file included from arch/s390/include/asm/io.h:93: include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 548 | val = __raw_readb(PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 561 | 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-lp55xx-common.c:18: In file included from include/linux/iopoll.h:14: In file included from include/linux/io.h:14: In file included from arch/s390/include/asm/io.h:93: include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 574 | 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-lp55xx-common.c:18: In file included from include/linux/iopoll.h:14: In file included from include/linux/io.h:14: In file included from arch/s390/include/asm/io.h:93: include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 585 | __raw_writeb(value, PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:693:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 693 | readsb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:701:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 701 | readsw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:709:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 709 | readsl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:718:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 718 | writesb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:727:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 727 | writesw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:736:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 736 | writesl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ >> drivers/leds/leds-lp55xx-common.c:276:15: error: too many arguments provided to function-like macro invocation 276 | guard(mutex, &chip->lock); | ^ include/linux/cleanup.h:163:9: note: macro 'guard' defined here 163 | #define guard(_name) \ | ^ >> drivers/leds/leds-lp55xx-common.c:276:2: error: use of undeclared identifier 'guard' 276 | guard(mutex, &chip->lock); | ^ drivers/leds/leds-lp55xx-common.c:291:15: error: too many arguments provided to function-like macro invocation 291 | guard(mutex, &chip->lock); | ^ include/linux/cleanup.h:163:9: note: macro 'guard' defined here 163 | #define guard(_name) \ | ^ drivers/leds/leds-lp55xx-common.c:291:2: error: use of undeclared identifier 'guard' 291 | guard(mutex, &chip->lock); | ^ drivers/leds/leds-lp55xx-common.c:409:15: error: too many arguments provided to function-like macro invocation 409 | guard(mutex, &chip->lock); | ^ include/linux/cleanup.h:163:9: note: macro 'guard' defined here 163 | #define guard(_name) \ | ^ drivers/leds/leds-lp55xx-common.c:409:2: error: use of undeclared identifier 'guard' 409 | guard(mutex, &chip->lock); | ^ drivers/leds/leds-lp55xx-common.c:637:15: error: too many arguments provided to function-like macro invocation 637 | guard(mutex, &chip->lock); | ^ include/linux/cleanup.h:163:9: note: macro 'guard' defined here 163 | #define guard(_name) \ | ^ drivers/leds/leds-lp55xx-common.c:637:2: error: use of undeclared identifier 'guard' 637 | guard(mutex, &chip->lock); | ^ drivers/leds/leds-lp55xx-common.c:676:15: error: too many arguments provided to function-like macro invocation 676 | guard(mutex, &chip->lock); | ^ include/linux/cleanup.h:163:9: note: macro 'guard' defined here 163 | #define guard(_name) \ | ^ drivers/leds/leds-lp55xx-common.c:676:2: error: use of undeclared identifier 'guard' 676 | guard(mutex, &chip->lock); | ^ drivers/leds/leds-lp55xx-common.c:704:15: error: too many arguments provided to function-like macro invocation 704 | guard(mutex, &chip->lock); | ^ include/linux/cleanup.h:163:9: note: macro 'guard' defined here 163 | #define guard(_name) \ | ^ drivers/leds/leds-lp55xx-common.c:704:2: error: use of undeclared identifier 'guard' 704 | guard(mutex, &chip->lock); | ^ drivers/leds/leds-lp55xx-common.c:803:15: error: too many arguments provided to function-like macro invocation 803 | guard(mutex, &chip->lock); | ^ include/linux/cleanup.h:163:9: note: macro 'guard' defined here 163 | #define guard(_name) \ | ^ drivers/leds/leds-lp55xx-common.c:803:2: error: use of undeclared identifier 'guard' 803 | guard(mutex, &chip->lock); | ^ drivers/leds/leds-lp55xx-common.c:827:15: error: too many arguments provided to function-like macro invocation 827 | guard(mutex, &chip->lock); | ^ include/linux/cleanup.h:163:9: note: macro 'guard' defined here 163 | #define guard(_name) \ | ^ drivers/leds/leds-lp55xx-common.c:827:2: error: use of undeclared identifier 'guard' 827 | guard(mutex, &chip->lock); | ^ drivers/leds/leds-lp55xx-common.c:851:15: error: too many arguments provided to function-like macro invocation 851 | guard(mutex, &chip->lock); | ^ include/linux/cleanup.h:163:9: note: macro 'guard' defined here 163 | #define guard(_name) \ | ^ drivers/leds/leds-lp55xx-common.c:851:2: error: use of undeclared identifier 'guard' 851 | guard(mutex, &chip->lock); | ^ drivers/leds/leds-lp55xx-common.c:870:15: error: too many arguments provided to function-like macro invocation 870 | guard(mutex, &chip->lock); | ^ include/linux/cleanup.h:163:9: note: macro 'guard' defined here 163 | #define guard(_name) \ | ^ fatal error: too many errors emitted, stopping now [-ferror-limit=] 17 warnings and 20 errors generated. vim +189 drivers/leds/leds-lp5521.c 180 181 static ssize_t lp5521_selftest(struct device *dev, 182 struct device_attribute *attr, 183 char *buf) 184 { 185 struct lp55xx_led *led = i2c_get_clientdata(to_i2c_client(dev)); 186 struct lp55xx_chip *chip = led->chip; 187 int ret; 188 > 189 guard(mutex, &chip->lock); 190 191 ret = lp5521_run_selftest(chip, buf); 192 193 return sysfs_emit(buf, "%s\n", ret ? "FAIL" : "OK"); 194 } 195 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
