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Message-ID: <202406060440.I43MwC4B-lkp@intel.com>
Date: Thu, 6 Jun 2024 04:50:23 +0800
From: kernel test robot <lkp@...el.com>
To: Marcelo Schmitt <marcelo.schmitt@...log.com>, broonie@...nel.org,
lars@...afoo.de, Michael.Hennerich@...log.com, jic23@...nel.org,
robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
conor+dt@...nel.org, nuno.sa@...log.com, dlechner@...libre.com,
marcelo.schmitt1@...il.com
Cc: oe-kbuild-all@...ts.linux.dev, linux-iio@...r.kernel.org,
devicetree@...r.kernel.org, linux-spi@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 6/6] iio: adc: Add support for AD4000
Hi Marcelo,
kernel test robot noticed the following build warnings:
[auto build test WARNING on broonie-spi/for-next]
[also build test WARNING on jic23-iio/togreg linus/master v6.10-rc2 next-20240605]
[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/Marcelo-Schmitt/spi-Add-SPI-mode-bit-for-MOSI-idle-state-configuration/20240605-231912
base: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git for-next
patch link: https://lore.kernel.org/r/e340f48324b0ea3afb1c715cb2fba184c27112a1.1717539384.git.marcelo.schmitt%40analog.com
patch subject: [PATCH v3 6/6] iio: adc: Add support for AD4000
config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20240606/202406060440.I43MwC4B-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240606/202406060440.I43MwC4B-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/202406060440.I43MwC4B-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/iio/adc/ad4000.c: In function 'ad4000_single_conversion':
>> drivers/iio/adc/ad4000.c:375:13: warning: variable 'ret' set but not used [-Wunused-but-set-variable]
375 | int ret;
| ^~~
vim +/ret +375 drivers/iio/adc/ad4000.c
369
370 static int ad4000_single_conversion(struct iio_dev *indio_dev,
371 const struct iio_chan_spec *chan, int *val)
372 {
373 struct ad4000_state *st = iio_priv(indio_dev);
374 u32 sample;
> 375 int ret;
376
377 ret = ad4000_convert_and_acquire(st);
378
379 if (chan->scan_type.storagebits > 16)
380 sample = be32_to_cpu(st->scan.data.sample_buf32);
381 else
382 sample = be16_to_cpu(st->scan.data.sample_buf16);
383
384 switch (chan->scan_type.realbits) {
385 case 16:
386 break;
387 case 18:
388 sample = FIELD_GET(AD4000_18BIT_MSK, sample);
389 break;
390 case 20:
391 sample = FIELD_GET(AD4000_20BIT_MSK, sample);
392 break;
393 default:
394 return -EINVAL;
395 }
396
397 if (chan->scan_type.sign == 's')
398 *val = sign_extend32(sample, chan->scan_type.realbits - 1);
399
400 return IIO_VAL_INT;
401 }
402
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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