Re: [PATCH] iio:proximity:hx9031as: Add TYHX HX9031AS/HX9023S sensor driver

From: kernel test robot
Date: Sat May 11 2024 - 15:19:34 EST


Hi Yasin,

kernel test robot noticed the following build warnings:

[auto build test WARNING on jic23-iio/togreg]
[also build test WARNING on linus/master v6.9-rc7 next-20240510]
[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/Yasin-Lee/iio-proximity-hx9031as-Add-TYHX-HX9031AS-HX9023S-sensor-driver/20240510-173839
base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
patch link: https://lore.kernel.org/r/SN7PR12MB8101EDFA7F91A59761095A28A4E72%40SN7PR12MB8101.namprd12.prod.outlook.com
patch subject: [PATCH] iio:proximity:hx9031as: Add TYHX HX9031AS/HX9023S sensor driver
config: arc-randconfig-r133-20240512 (https://download.01.org/0day-ci/archive/20240512/202405120334.eHnXGJwn-lkp@xxxxxxxxx/config)
compiler: arceb-elf-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20240512/202405120334.eHnXGJwn-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/202405120334.eHnXGJwn-lkp@xxxxxxxxx/

sparse warnings: (new ones prefixed by >>)
>> drivers/iio/proximity/hx9031as.c:1919:21: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be16 [usertype] val @@ got signed int @@
drivers/iio/proximity/hx9031as.c:1919:21: sparse: expected restricted __be16 [usertype] val
drivers/iio/proximity/hx9031as.c:1919:21: sparse: got signed int
drivers/iio/proximity/hx9031as.c: note: in included file (through include/linux/mmzone.h, include/linux/gfp.h, include/linux/umh.h, include/linux/kmod.h, ...):
include/linux/page-flags.h:242:46: sparse: sparse: self-comparison always evaluates to false
include/linux/page-flags.h:242:46: sparse: sparse: self-comparison always evaluates to false

vim +1919 drivers/iio/proximity/hx9031as.c

1902
1903 static irqreturn_t hx9031as_trigger_handler(int irq, void *private)
1904 {
1905 struct iio_poll_func *pf = private;
1906 struct iio_dev *indio_dev = pf->indio_dev;
1907 struct hx9031as_data *data = iio_priv(indio_dev);
1908 __be16 val;
1909 int bit = 0;
1910 int ii = 0;
1911
1912 ENTER;
1913 mutex_lock(&data->mutex);
1914
1915 hx9031as_sample();
1916 hx9031as_get_prox_state();
1917
1918 for_each_set_bit(bit, indio_dev->active_scan_mask, indio_dev->masklength) {
> 1919 val = hx9031as_pdata.diff[indio_dev->channels[bit].channel];
1920 data->buffer.channels[ii++] = val;
1921 PRINT_INF("bit=%d, ii=%d, val=%d\n", bit, ii - 1, val);
1922 }
1923
1924 iio_push_to_buffers_with_timestamp(indio_dev, &data->buffer, pf->timestamp);
1925 mutex_unlock(&data->mutex);
1926
1927 iio_trigger_notify_done(indio_dev->trig);
1928 return IRQ_HANDLED;
1929 }
1930

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https://github.com/intel/lkp-tests/wiki