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Message-ID: <202505091706.owR2rZED-lkp@intel.com>
Date: Fri, 9 May 2025 18:10:43 +0800
From: kernel test robot <lkp@...el.com>
To: Pop Ioan Daniel <pop.ioan-daniel@...log.com>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Michael Hennerich <Michael.Hennerich@...log.com>,
	Jonathan Cameron <jic23@...nel.org>,
	David Lechner <dlechner@...libre.com>,
	Nuno Sá <nuno.sa@...log.com>,
	Andy Shevchenko <andy@...nel.org>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Sergiu Cuciurean <sergiu.cuciurean@...log.com>,
	Dragos Bogdan <dragos.bogdan@...log.com>,
	Antoniu Miclaus <antoniu.miclaus@...log.com>,
	Olivier Moysan <olivier.moysan@...s.st.com>,
	Javier Carrasco <javier.carrasco.cruz@...il.com>,
	Matti Vaittinen <matti.vaittinen@...rohmeurope.com>,
	Matti Vaittinen <mazziesaccount@...il.com>,
	Tobias Sperling <tobias.sperling@...ting.com>,
	Marcelo Schmitt <marcelo.schmitt@...log.com>,
	Alisa-Dariana Roman <alisadariana@...il.com>,
	Ramona Alexandra Nechita <ramona.nechita@...log.com>,
	linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev
Subject: Re: [PATCH v2 1/4] iio: backend: update
 iio_backend_oversampling_ratio_set

Hi Pop,

kernel test robot noticed the following build errors:

[auto build test ERROR on jic23-iio/togreg]
[also build test ERROR on linus/master v6.15-rc5 next-20250508]
[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/Pop-Ioan-Daniel/iio-backend-update-iio_backend_oversampling_ratio_set/20250508-203339
base:   https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
patch link:    https://lore.kernel.org/r/20250508123107.3797042-2-pop.ioan-daniel%40analog.com
patch subject: [PATCH v2 1/4] iio: backend: update iio_backend_oversampling_ratio_set
config: arm-randconfig-004-20250509 (https://download.01.org/0day-ci/archive/20250509/202505091706.owR2rZED-lkp@intel.com/config)
compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project f819f46284f2a79790038e1f6649172789734ae8)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250509/202505091706.owR2rZED-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/202505091706.owR2rZED-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/iio/adc/ad4851.c:324:53: error: incompatible pointer to integer conversion passing 'const struct iio_chan_spec *' to parameter of type 'unsigned int' [-Wint-conversion]
     324 |         ret = iio_backend_oversampling_ratio_set(st->back, chan, osr);
         |                                                            ^~~~
   include/linux/iio/backend.h:212:25: note: passing argument to parameter 'chan' here
     212 |                                        unsigned int chan,
         |                                                     ^
   1 error generated.


vim +324 drivers/iio/adc/ad4851.c

   295	
   296	static int ad4851_set_oversampling_ratio(struct iio_dev *indio_dev,
   297						 const struct iio_chan_spec *chan,
   298						 unsigned int osr)
   299	{
   300		struct ad4851_state *st = iio_priv(indio_dev);
   301		int val, ret;
   302	
   303		guard(mutex)(&st->lock);
   304	
   305		if (osr == 1) {
   306			ret = regmap_clear_bits(st->regmap, AD4851_REG_OVERSAMPLE,
   307						AD4851_OS_EN_MSK);
   308			if (ret)
   309				return ret;
   310		} else {
   311			val = ad4851_osr_to_regval(osr);
   312			if (val < 0)
   313				return -EINVAL;
   314	
   315			ret = regmap_update_bits(st->regmap, AD4851_REG_OVERSAMPLE,
   316						 AD4851_OS_EN_MSK |
   317						 AD4851_OS_RATIO_MSK,
   318						 FIELD_PREP(AD4851_OS_EN_MSK, 1) |
   319						 FIELD_PREP(AD4851_OS_RATIO_MSK, val));
   320			if (ret)
   321				return ret;
   322		}
   323	
 > 324		ret = iio_backend_oversampling_ratio_set(st->back, chan, osr);
   325		if (ret)
   326			return ret;
   327	
   328		switch (st->info->resolution) {
   329		case 20:
   330			switch (osr) {
   331			case 0:
   332				return -EINVAL;
   333			case 1:
   334				val = 20;
   335				break;
   336			default:
   337				val = 24;
   338				break;
   339			}
   340			break;
   341		case 16:
   342			val = 16;
   343			break;
   344		default:
   345			return -EINVAL;
   346		}
   347	
   348		ret = iio_backend_data_size_set(st->back, val);
   349		if (ret)
   350			return ret;
   351	
   352		if (osr == 1 || st->info->resolution == 16) {
   353			ret = regmap_clear_bits(st->regmap, AD4851_REG_PACKET,
   354						AD4851_PACKET_FORMAT_MASK);
   355			if (ret)
   356				return ret;
   357	
   358			st->resolution_boost_enabled = false;
   359		} else {
   360			ret = regmap_update_bits(st->regmap, AD4851_REG_PACKET,
   361						 AD4851_PACKET_FORMAT_MASK,
   362						 FIELD_PREP(AD4851_PACKET_FORMAT_MASK, 1));
   363			if (ret)
   364				return ret;
   365	
   366			st->resolution_boost_enabled = true;
   367		}
   368	
   369		if (st->osr != osr) {
   370			ret = ad4851_scale_fill(indio_dev);
   371			if (ret)
   372				return ret;
   373	
   374			st->osr = osr;
   375		}
   376	
   377		return 0;
   378	}
   379	

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

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