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Message-ID: <202410161852.GepOULQn-lkp@intel.com>
Date: Wed, 16 Oct 2024 19:00:37 +0800
From: kernel test robot <lkp@...el.com>
To: Per-Daniel Olsson <perdaniel.olsson@...s.com>,
Jonathan Cameron <jic23@...nel.org>,
Lars-Peter Clausen <lars@...afoo.de>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk@...nel.org>,
Conor Dooley <conor+dt@...nel.org>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org, rickard.andersson@...s.com,
kernel@...s.com, Per-Daniel Olsson <perdaniel.olsson@...s.com>
Subject: Re: [PATCH v3 2/2] iio: light: Add support for TI OPT4060 color
sensor
Hi Per-Daniel,
kernel test robot noticed the following build warnings:
[auto build test WARNING on eca631b8fe808748d7585059c4307005ca5c5820]
url: https://github.com/intel-lab-lkp/linux/commits/Per-Daniel-Olsson/dt-bindings-iio-light-Document-TI-OPT4060-RGBW-sensor/20241015-224128
base: eca631b8fe808748d7585059c4307005ca5c5820
patch link: https://lore.kernel.org/r/20241015143713.2017626-3-perdaniel.olsson%40axis.com
patch subject: [PATCH v3 2/2] iio: light: Add support for TI OPT4060 color sensor
config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20241016/202410161852.GepOULQn-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project bfe84f7085d82d06d61c632a7bad1e692fd159e4)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241016/202410161852.GepOULQn-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/202410161852.GepOULQn-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from drivers/iio/light/opt4060.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:8:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
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:14:
In file included from arch/hexagon/include/asm/io.h:328:
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/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/opt4060.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:8:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
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:14:
In file included from arch/hexagon/include/asm/io.h:328:
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/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/opt4060.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:8:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
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:14:
In file included from arch/hexagon/include/asm/io.h:328:
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);
| ~~~~~~~~~~ ^
In file included from drivers/iio/light/opt4060.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:2213:
include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
>> drivers/iio/light/opt4060.c:836:2: warning: label at end of compound statement is a C23 extension [-Wc23-extensions]
836 | }
| ^
8 warnings generated.
Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for GET_FREE_REGION
Depends on [n]: SPARSEMEM [=n]
Selected by [m]:
- RESOURCE_KUNIT_TEST [=m] && RUNTIME_TESTING_MENU [=y] && KUNIT [=m]
vim +836 drivers/iio/light/opt4060.c
807
808 static int opt4060_write_event(struct iio_dev *indio_dev,
809 const struct iio_chan_spec *chan,
810 enum iio_event_type type,
811 enum iio_event_direction dir,
812 enum iio_event_info info,
813 int val, int val2)
814 {
815 struct opt4060_chip *chip = iio_priv(indio_dev);
816
817 switch (info) {
818 case IIO_EV_INFO_VALUE:
819 if (chan->type == IIO_INTENSITY && type == IIO_EV_TYPE_THRESH) {
820 u32 th_lo, th_hi;
821
822 if (opt4060_get_thresholds(chip, &th_lo, &th_hi))
823 return -EFAULT;
824 if (dir == IIO_EV_DIR_FALLING)
825 th_lo = val;
826 else if (dir == IIO_EV_DIR_RISING)
827 th_hi = val;
828 if (opt4060_set_thresholds(chip, th_lo, th_hi))
829 return -EFAULT;
830 return 0;
831 }
832 break;
833 case IIO_EV_INFO_PERIOD:
834 return opt4060_write_ev_period(chip, val, val2);
835 default:
> 836 }
837 return -EINVAL;
838 }
839
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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