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Message-ID: <202411062051.TLRkJSSL-lkp@intel.com>
Date: Wed, 6 Nov 2024 20:30:54 +0800
From: kernel test robot <lkp@...el.com>
To: Eason Yang <j2anfernee@...il.com>, avifishman70@...il.com,
tmaimon77@...il.com, tali.perry1@...il.com, venture@...gle.com,
yuenn@...gle.com, benjaminfair@...gle.com, jic23@...nel.org,
lars@...afoo.de, robh@...nel.org, krzk+dt@...nel.org,
conor+dt@...nel.org, nuno.sa@...log.com, dlechner@...libre.com,
javier.carrasco.cruz@...il.com, andy@...nel.org,
marcelo.schmitt@...log.com, olivier.moysan@...s.st.com,
mitrutzceclan@...il.com, matteomartelli3@...il.com,
alisadariana@...il.com, joao.goncalves@...adex.com,
marius.cristea@...rochip.com, mike.looijmans@...ic.nl,
chanh@...amperecomputing.com, KWLIU@...oton.com,
yhyang2@...oton.com
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
openbmc@...ts.ozlabs.org, linux-iio@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 2/2] iio: adc: add Nuvoton NCT720x ADC driver
Hi Eason,
kernel test robot noticed the following build warnings:
[auto build test WARNING on jic23-iio/togreg]
[also build test WARNING on linus/master v6.12-rc6 next-20241106]
[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/Eason-Yang/dt-bindings-iio-adc-Add-binding-for-Nuvoton-NCT720x-ADCs/20241106-104046
base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
patch link: https://lore.kernel.org/r/20241106023916.440767-3-j2anfernee%40gmail.com
patch subject: [PATCH v1 2/2] iio: adc: add Nuvoton NCT720x ADC driver
config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20241106/202411062051.TLRkJSSL-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 592c0fe55f6d9a811028b5f3507be91458ab2713)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241106/202411062051.TLRkJSSL-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/202411062051.TLRkJSSL-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from drivers/iio/adc/nct720x.c:9:
In file included from include/linux/device.h:32:
In file included from include/linux/device/driver.h:21:
In file included from include/linux/module.h:19:
In file included from include/linux/elf.h:6:
In file included from arch/s390/include/asm/elf.h:181:
In file included from arch/s390/include/asm/mmu_context.h:11:
In file included from arch/s390/include/asm/pgalloc.h:18:
In file included from include/linux/mm.h:2213:
include/linux/vmstat.h:504:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
504 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~ ^
505 | item];
| ~~~~
include/linux/vmstat.h:511:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
511 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~ ^
512 | NR_VM_NUMA_EVENT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~~
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_"
| ~~~~~~~~~~~ ^ ~~~
include/linux/vmstat.h:524:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
524 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~ ^
525 | NR_VM_NUMA_EVENT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~~
>> drivers/iio/adc/nct720x.c:526:16: warning: cast to smaller integer type 'enum nct720x_chips' from 'const void *' [-Wvoid-pointer-to-enum-cast]
526 | chip->type = (enum nct720x_chips)device_get_match_data(&client->dev);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
5 warnings generated.
vim +526 drivers/iio/adc/nct720x.c
511
512 static int nct720x_probe(struct i2c_client *client)
513 {
514 const struct i2c_device_id *id = i2c_client_get_device_id(client);
515 struct nct720x_chip_info *chip;
516 struct iio_dev *indio_dev;
517 int ret;
518 u32 tmp;
519
520 indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*chip));
521 if (!indio_dev)
522 return -ENOMEM;
523 chip = iio_priv(indio_dev);
524
525 if (client->dev.of_node)
> 526 chip->type = (enum nct720x_chips)device_get_match_data(&client->dev);
527 else
528 chip->type = i2c_match_id(nct720x_id, client)->driver_data;
529
530 chip->vin_max = (chip->type == nct7201) ? NCT7201_VIN_MAX : NCT7202_VIN_MAX;
531
532 ret = of_property_read_u32(client->dev.of_node, "read-vin-data-size", &tmp);
533 if (ret < 0) {
534 pr_err("read-vin-data-size property not found\n");
535 return ret;
536 }
537
538 if (tmp == 8) {
539 chip->use_read_byte_vin = true;
540 } else if (tmp == 16) {
541 chip->use_read_byte_vin = false;
542 } else {
543 pr_err("invalid read-vin-data-size (%d)\n", tmp);
544 return -EINVAL;
545 }
546
547 mutex_init(&chip->access_lock);
548
549 /* this is only used for device removal purposes */
550 i2c_set_clientdata(client, indio_dev);
551
552 chip->client = client;
553
554 ret = nct720x_init_chip(chip);
555 if (ret < 0)
556 return ret;
557
558 indio_dev->name = id->name;
559 indio_dev->channels = nct720x_channels;
560 indio_dev->num_channels = ARRAY_SIZE(nct720x_channels);
561 indio_dev->info = &nct720x_info;
562 indio_dev->modes = INDIO_DIRECT_MODE;
563
564 iio_device_register(indio_dev);
565
566 return 0;
567 }
568
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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