linux-kernel - Re: [PATCH v3 2/2] iio: dac: support the ad8460 Waveform DAC

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Message-ID: <202409050100.CGStaazP-lkp@intel.com>
Date: Thu, 5 Sep 2024 01:23:00 +0800
From: kernel test robot <lkp@...el.com>
To: Mariel Tinaco <Mariel.Tinaco@...log.com>, linux-iio@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	Jonathan Cameron <jic23@...nel.org>,
	Lars-Peter Clausen <lars@...afoo.de>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk@...nel.org>,
	Michael Hennerich <Michael.Hennerich@...log.com>,
	Conor Dooley <conor+dt@...nel.org>,
	Marcelo Schmitt <marcelo.schmitt1@...il.com>,
	Dimitri Fedrau <dima.fedrau@...il.com>,
	David Lechner <dlechner@...libre.com>,
	Nuno Sá <noname.nuno@...il.com>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev
Subject: Re: [PATCH v3 2/2] iio: dac: support the ad8460 Waveform DAC

Hi Mariel,

kernel test robot noticed the following build errors:

[auto build test ERROR on c4b43d8336e52dce6d124e428aa3b71703e62647]

url:    https://github.com/intel-lab-lkp/linux/commits/Mariel-Tinaco/dt-bindings-iio-dac-add-docs-for-ad8460/20240904-103413
base:   c4b43d8336e52dce6d124e428aa3b71703e62647
patch link:    https://lore.kernel.org/r/20240904023040.23352-3-Mariel.Tinaco%40analog.com
patch subject: [PATCH v3 2/2] iio: dac: support the ad8460 Waveform DAC
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20240905/202409050100.CGStaazP-lkp@intel.com/config)
compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240905/202409050100.CGStaazP-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/202409050100.CGStaazP-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/iio/dac/ad8460.c:165:9: error: call to undeclared function 'get_unaligned_le16'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
     165 |         *val = get_unaligned_le16(state->spi_tx_buf);
         |                ^
>> drivers/iio/dac/ad8460.c:172:2: error: call to undeclared function 'put_unaligned_le16'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
     172 |         put_unaligned_le16(FIELD_PREP(AD8460_DATA_BYTE_FULL_MSK, val),
         |         ^
   2 errors generated.


vim +/get_unaligned_le16 +165 drivers/iio/dac/ad8460.c

   155	
   156	static int ad8460_get_hvdac_word(struct ad8460_state *state, int index, int *val)
   157	{
   158		int ret;
   159	
   160		ret = regmap_bulk_read(state->regmap, AD8460_HVDAC_DATA_WORD_LOW(index),
   161				       &state->spi_tx_buf, AD8460_DATA_BYTE_WORD_LENGTH);
   162		if (ret)
   163			return ret;
   164	
 > 165		*val = get_unaligned_le16(state->spi_tx_buf);
   166	
   167		return ret;
   168	}
   169	
   170	static int ad8460_set_hvdac_word(struct ad8460_state *state, int index, int val)
   171	{
 > 172		put_unaligned_le16(FIELD_PREP(AD8460_DATA_BYTE_FULL_MSK, val),
   173					     &state->spi_tx_buf);
   174	
   175		return regmap_bulk_write(state->regmap, AD8460_HVDAC_DATA_WORD_LOW(index),
   176					 state->spi_tx_buf, AD8460_DATA_BYTE_WORD_LENGTH);
   177	}
   178	

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