Re: [PATCH V5 4/5] iio: adc: Add support for QCOM PMIC5 Gen3 ADC

[kernel test robot <lkp@intel.com>]

Hi Jishnu,

kernel test robot noticed the following build errors:

[auto build test ERROR on 5ffa57f6eecefababb8cbe327222ef171943b183]

url:    https://github.com/intel-lab-lkp/linux/commits/Jishnu-Prakash/dt-bindings-iio-adc-Move-QCOM-ADC-bindings-to-iio-adc-folder/20250201-023723
base:   5ffa57f6eecefababb8cbe327222ef171943b183
patch link:    https://lore.kernel.org/r/20250131183242.3653595-5-jishnu.prakash%40oss.qualcomm.com
patch subject: [PATCH V5 4/5] iio: adc: Add support for QCOM PMIC5 Gen3 ADC
config: hexagon-allyesconfig (https://download.01.org/0day-ci/archive/20250202/202502020700.dqk9AzTu-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250202/202502020700.dqk9AzTu-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202502020700.dqk9AzTu-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/iio/adc/qcom-adc5-gen3-common.c:72:11: error: call to undeclared function 'FIELD_PREP'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
      72 |         *data |= FIELD_PREP(ADC5_GEN3_DIG_PARAM_CAL_SEL_MASK, prop->cal_method);
         |                  ^
   1 error generated.


vim +/FIELD_PREP +72 drivers/iio/adc/qcom-adc5-gen3-common.c

    67	
    68	void adc5_gen3_update_dig_param(struct adc5_channel_common_prop *prop, u8 *data)
    69	{
    70		/* Update calibration select and decimation ratio select */
    71		*data &= ~(ADC5_GEN3_DIG_PARAM_CAL_SEL_MASK | ADC5_GEN3_DIG_PARAM_DEC_RATIO_SEL_MASK);
  > 72		*data |= FIELD_PREP(ADC5_GEN3_DIG_PARAM_CAL_SEL_MASK, prop->cal_method);
    73		*data |= FIELD_PREP(ADC5_GEN3_DIG_PARAM_DEC_RATIO_SEL_MASK, prop->decimation);
    74	}
    75	EXPORT_SYMBOL(adc5_gen3_update_dig_param);
    76	

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