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charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: ff30564411ffdcee49d579cb15eb13185a36e253 commit: 96e20adc43c4f81e9163a5188cee75a6dd393e09 regulator: change stubbed devm_regulator_get_enable to return Ok date: 3 months ago config: s390-randconfig-001-20240728 (https://download.01.org/0day-ci/archive/20240728/202407280548.1MbEgmkH-lkp@intel.com/config) compiler: clang version 16.0.6 (https://github.com/llvm/llvm-project 7cbf1a2591520c2491aa35339f227775f4d3adf6) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240728/202407280548.1MbEgmkH-lkp@intel.com/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 | Closes: https://lore.kernel.org/oe-kbuild-all/202407280548.1MbEgmkH-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from drivers/iio/light/opt4001.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/s390/include/asm/io.h:78: 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/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu' #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x)) ^ include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16' #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x)) ^ In file included from drivers/iio/light/opt4001.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/s390/include/asm/io.h:78: 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/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu' #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) ^ include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32' #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x)) ^ In file included from drivers/iio/light/opt4001.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/s390/include/asm/io.h:78: 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); ~~~~~~~~~~ ^ include/asm-generic/io.h:692:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 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] 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] 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] 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] 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] writesl(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ >> drivers/iio/light/opt4001.c:215:9: error: call to '__compiletime_assert_530' declared with 'error' attribute: FIELD_PREP: value too large for the field reg |= FIELD_PREP(OPT4001_CTRL_CONV_TIME_MASK, chip->int_time); ^ include/linux/bitfield.h:115:3: note: expanded from macro 'FIELD_PREP' __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \ ^ include/linux/bitfield.h:68:3: note: expanded from macro '__BF_FIELD_CHECK' BUILD_BUG_ON_MSG(__builtin_constant_p(_val) ? \ ^ include/linux/build_bug.h:39:37: note: expanded from macro 'BUILD_BUG_ON_MSG' #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ^ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:437:2: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ^ include/linux/compiler_types.h:430:4: note: expanded from macro '__compiletime_assert' prefix ## suffix(); \ ^ :17:1: note: expanded from here __compiletime_assert_530 ^ 12 warnings and 1 error generated. vim +215 drivers/iio/light/opt4001.c 9a9608418292bb Stefan Windfeldt-Prytz 2023-04-26 207 9a9608418292bb Stefan Windfeldt-Prytz 2023-04-26 208 static int opt4001_set_conf(struct opt4001_chip *chip) 9a9608418292bb Stefan Windfeldt-Prytz 2023-04-26 209 { 9a9608418292bb Stefan Windfeldt-Prytz 2023-04-26 210 struct device *dev = &chip->client->dev; 9a9608418292bb Stefan Windfeldt-Prytz 2023-04-26 211 u16 reg; 9a9608418292bb Stefan Windfeldt-Prytz 2023-04-26 212 int ret; 9a9608418292bb Stefan Windfeldt-Prytz 2023-04-26 213 9a9608418292bb Stefan Windfeldt-Prytz 2023-04-26 214 reg = FIELD_PREP(OPT4001_CTRL_RANGE_MASK, OPT4001_CTRL_LIGHT_SCALE_AUTO); 9a9608418292bb Stefan Windfeldt-Prytz 2023-04-26 @215 reg |= FIELD_PREP(OPT4001_CTRL_CONV_TIME_MASK, chip->int_time); 9a9608418292bb Stefan Windfeldt-Prytz 2023-04-26 216 reg |= FIELD_PREP(OPT4001_CTRL_OPER_MODE_MASK, OPT4001_CTRL_OPER_MODE_CONTINUOUS); 9a9608418292bb Stefan Windfeldt-Prytz 2023-04-26 217 9a9608418292bb Stefan Windfeldt-Prytz 2023-04-26 218 ret = regmap_write(chip->regmap, OPT4001_CTRL, reg); 9a9608418292bb Stefan Windfeldt-Prytz 2023-04-26 219 if (ret) 9a9608418292bb Stefan Windfeldt-Prytz 2023-04-26 220 dev_err(dev, "Failed to set configuration\n"); 9a9608418292bb Stefan Windfeldt-Prytz 2023-04-26 221 9a9608418292bb Stefan Windfeldt-Prytz 2023-04-26 222 return ret; 9a9608418292bb Stefan Windfeldt-Prytz 2023-04-26 223 } 9a9608418292bb Stefan Windfeldt-Prytz 2023-04-26 224 :::::: The code at line 215 was first introduced by commit :::::: 9a9608418292bb8733805c3f3123dfe0454fadac iio: light: Add support for TI OPT4001 light sensor :::::: TO: Stefan Windfeldt-Prytz :::::: CC: Jonathan Cameron -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki