Re: [PATCH v2 6/7] iio: adc: ad485x: add ad485x driver

From: kernel test robot
Date: Mon Oct 07 2024 - 14:19:37 EST


Hi Antoniu,

kernel test robot noticed the following build errors:

[auto build test ERROR on v6.11]
[cannot apply to jic23-iio/togreg robh/for-next v6.12-rc1 linus/master next-20241004]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Antoniu-Miclaus/iio-backend-add-support-for-data-size-set/20241004-221608
base: v6.11
patch link: https://lore.kernel.org/r/20241004140922.233939-6-antoniu.miclaus%40analog.com
patch subject: [PATCH v2 6/7] iio: adc: ad485x: add ad485x driver
config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20241008/202410080232.6SxmYFFA-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/20241008/202410080232.6SxmYFFA-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/202410080232.6SxmYFFA-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

In file included from drivers/iio/adc/ad485x.c:18:
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: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/adc/ad485x.c:18:
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: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/adc/ad485x.c:18:
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: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/adc/ad485x.c: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:2232:
include/linux/vmstat.h:517:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
517 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
>> drivers/iio/adc/ad485x.c:408:9: error: call to undeclared function 'FIELD_GET'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
408 | return FIELD_GET(AD485X_PACKET_FORMAT_MASK, format);
| ^
7 warnings and 1 error generated.


vim +/FIELD_GET +408 drivers/iio/adc/ad485x.c

396
397 static int ad485x_get_packet_format(struct iio_dev *indio_dev,
398 const struct iio_chan_spec *chan)
399 {
400 struct ad485x_state *st = iio_priv(indio_dev);
401 unsigned int format;
402 int ret;
403
404 ret = regmap_read(st->regmap, AD485X_REG_PACKET, &format);
405 if (ret)
406 return ret;
407
> 408 return FIELD_GET(AD485X_PACKET_FORMAT_MASK, format);
409 }
410

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