Re: [PATCH 2/2] iio: adc: vf610_adc: limit i.MX6SX's channel number to 4
From: kernel test robot
Date: Tue Nov 05 2024 - 10:47:51 EST
Hi Frank,
kernel test robot noticed the following build warnings:
[auto build test WARNING on jic23-iio/togreg]
[also build test WARNING on next-20241105]
[cannot apply to linus/master v6.12-rc6]
[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/Frank-Li/iio-adc-vf610_adc-limit-i-MX6SX-s-channel-number-to-4/20241105-071339
base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
patch link: https://lore.kernel.org/r/20241104231200.2745342-2-Frank.Li%40nxp.com
patch subject: [PATCH 2/2] iio: adc: vf610_adc: limit i.MX6SX's channel number to 4
config: x86_64-buildonly-randconfig-005-20241105 (https://download.01.org/0day-ci/archive/20241105/202411052345.gyJaM3h4-lkp@xxxxxxxxx/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241105/202411052345.gyJaM3h4-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/202411052345.gyJaM3h4-lkp@xxxxxxxxx/
All warnings (new ones prefixed by >>):
In file included from drivers/iio/adc/vf610_adc.c:20:
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/adc/vf610_adc.c:874:28: warning: cast to smaller integer type 'u32' (aka 'unsigned int') from 'const void *' [-Wvoid-pointer-to-int-cast]
874 | indio_dev->num_channels = (u32)device_get_match_data(dev);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2 warnings generated.
vim +874 drivers/iio/adc/vf610_adc.c
817
818 static int vf610_adc_probe(struct platform_device *pdev)
819 {
820 struct device *dev = &pdev->dev;
821 struct vf610_adc *info;
822 struct iio_dev *indio_dev;
823 int irq;
824 int ret;
825
826 indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(struct vf610_adc));
827 if (!indio_dev)
828 return dev_err_probe(&pdev->dev, -ENOMEM, "Failed allocating iio device\n");
829
830 info = iio_priv(indio_dev);
831 info->dev = &pdev->dev;
832
833 info->regs = devm_platform_ioremap_resource(pdev, 0);
834 if (IS_ERR(info->regs))
835 return PTR_ERR(info->regs);
836
837 irq = platform_get_irq(pdev, 0);
838 if (irq < 0)
839 return irq;
840
841 ret = devm_request_irq(info->dev, irq,
842 vf610_adc_isr, 0,
843 dev_name(&pdev->dev), indio_dev);
844 if (ret < 0)
845 dev_err_probe(&pdev->dev, ret, "failed requesting irq, irq = %d\n", irq);
846
847 info->clk = devm_clk_get_enabled(&pdev->dev, "adc");
848 if (IS_ERR(info->clk))
849 return dev_err_probe(&pdev->dev, PTR_ERR(info->clk),
850 "failed getting clock, err = %ld\n",
851 PTR_ERR(info->clk));
852
853 info->vref = devm_regulator_get(&pdev->dev, "vref");
854 if (IS_ERR(info->vref))
855 return PTR_ERR(info->vref);
856
857 info->vref_uv = devm_regulator_get_enable_read_voltage(&pdev->dev, "vref");
858 if (info->vref_uv < 0)
859 return info->vref_uv;
860
861 device_property_read_u32_array(dev, "fsl,adck-max-frequency", info->max_adck_rate, 3);
862
863 info->adc_feature.default_sample_time = DEFAULT_SAMPLE_TIME;
864 device_property_read_u32(dev, "min-sample-time", &info->adc_feature.default_sample_time);
865
866 platform_set_drvdata(pdev, indio_dev);
867
868 init_completion(&info->completion);
869
870 indio_dev->name = dev_name(&pdev->dev);
871 indio_dev->info = &vf610_adc_iio_info;
872 indio_dev->modes = INDIO_DIRECT_MODE;
873 indio_dev->channels = vf610_adc_iio_channels;
> 874 indio_dev->num_channels = (u32)device_get_match_data(dev);
875
876 vf610_adc_cfg_init(info);
877 vf610_adc_hw_init(info);
878
879 ret = devm_iio_triggered_buffer_setup(&pdev->dev, indio_dev, &iio_pollfunc_store_time,
880 NULL, &iio_triggered_buffer_setup_ops);
881 if (ret < 0)
882 return dev_err_probe(&pdev->dev, ret, "Couldn't initialise the buffer\n");
883
884 mutex_init(&info->lock);
885
886 ret = devm_iio_device_register(&pdev->dev, indio_dev);
887 if (ret)
888 return dev_err_probe(&pdev->dev, ret, "Couldn't register the device.\n");
889
890 return 0;
891 }
892
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki