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Message-ID: <202410060310.IDQuMDkm-lkp@intel.com>
Date: Sun, 6 Oct 2024 03:40:53 +0800
From: kernel test robot <lkp@...el.com>
To: Matti Vaittinen <matti.vaittinen@...rohmeurope.com>,
Matti Vaittinen <mazziesaccount@...il.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
Mark Brown <broonie@...nel.org>, Guenter Roeck <linux@...ck-us.net>
Subject: 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
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@intel.com/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@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 <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410060310.IDQuMDkm-lkp@intel.com/
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@...s.com>
:::::: CC: Jonathan Cameron <Jonathan.Cameron@...wei.com>
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