drivers/iio/light/opt4001.c:215:9: error: call to '__compiletime_assert_326' declared with 'error' attribute: FIELD_PREP: value too large for the field

From: kernel test robot
Date: Sat Oct 05 2024 - 15:41:37 EST

Next message: Frank Wunderlich: "Re: [PATCH v1 3/4] dt-bindings: pinctrl: add binding for MT7988 SoC"
Previous message: Drew Fustini: "[PATCH 2/2] pinctrl: th1520: Fix return value for unknown pin error"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

Hi Matti,

FYI, the error/warning still remains.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 27cc6fdf720183dce1dbd293483ec5a9cb6b595e
commit: 96e20adc43c4f81e9163a5188cee75a6dd393e09 regulator: change stubbed devm_regulator_get_enable to return Ok
date: 6 months ago
config: um-randconfig-r073-20241006 (https://download.01.org/0day-ci/archive/20241006/202410060310.IDQuMDkm-lkp@xxxxxxxxx/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project fef3566a25ff0e34fb87339ba5e13eca17cec00f)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241006/202410060310.IDQuMDkm-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/202410060310.IDQuMDkm-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

In file included from drivers/iio/light/opt4001.c:11:
In file included from include/linux/i2c.h:19:
In file included from include/linux/regulator/consumer.h:35:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:26:
In file included from include/linux/kernel_stat.h:9:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/um/include/asm/hardirq.h:5:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/um/include/asm/io.h:24:
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/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
| ^
In file included from drivers/iio/light/opt4001.c:11:
In file included from include/linux/i2c.h:19:
In file included from include/linux/regulator/consumer.h:35:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:26:
In file included from include/linux/kernel_stat.h:9:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/um/include/asm/hardirq.h:5:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/um/include/asm/io.h:24:
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/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
| ^
In file included from drivers/iio/light/opt4001.c:11:
In file included from include/linux/i2c.h:19:
In file included from include/linux/regulator/consumer.h:35:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:26:
In file included from include/linux/kernel_stat.h:9:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/um/include/asm/hardirq.h:5:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/um/include/asm/io.h:24:
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);
| ~~~~~~~~~~ ^
In file included from drivers/iio/light/opt4001.c:11:
In file included from include/linux/i2c.h:19:
In file included from include/linux/regulator/consumer.h:35:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:21:
In file included from include/linux/mm.h:2208:
include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
>> drivers/iio/light/opt4001.c:215:9: error: call to '__compiletime_assert_326' declared with 'error' attribute: FIELD_PREP: value too large for the field
215 | reg |= FIELD_PREP(OPT4001_CTRL_CONV_TIME_MASK, chip->int_time);
| ^
include/linux/bitfield.h:115:3: note: expanded from macro 'FIELD_PREP'
115 | __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
| ^
include/linux/bitfield.h:68:3: note: expanded from macro '__BF_FIELD_CHECK'
68 | BUILD_BUG_ON_MSG(__builtin_constant_p(_val) ? \
| ^
include/linux/build_bug.h:39:37: note: expanded from macro 'BUILD_BUG_ON_MSG'
39 | #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'
437 | __compiletime_assert(condition, msg, prefix, suffix)
| ^
include/linux/compiler_types.h:430:4: note: expanded from macro '__compiletime_assert'
430 | prefix ## suffix(); \
| ^
<scratch space>:25:1: note: expanded from here
25 | __compiletime_assert_326
| ^
13 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 <stefan.windfeldt-prytz@xxxxxxxx>
:::::: CC: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

Next message: Frank Wunderlich: "Re: [PATCH v1 3/4] dt-bindings: pinctrl: add binding for MT7988 SoC"
Previous message: Drew Fustini: "[PATCH 2/2] pinctrl: th1520: Fix return value for unknown pin error"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]