linux-kernel - Re: [PATCH v3 1/3] iio: light: ltr390: Add configurable gain and resolution

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Message-ID: <202407300717.9WTaBkEv-lkp@intel.com>
Date: Tue, 30 Jul 2024 07:45:02 +0800
From: kernel test robot <lkp@...el.com>
To: Abhash Jha <abhashkumarjha123@...il.com>, linux-iio@...r.kernel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	anshulusr@...il.com, jic23@...nel.org, lars@...afoo.de,
	linux-kernel@...r.kernel.org,
	Abhash Jha <abhashkumarjha123@...il.com>
Subject: Re: [PATCH v3 1/3] iio: light: ltr390: Add configurable gain and
 resolution

Hi Abhash,

kernel test robot noticed the following build errors:

[auto build test ERROR on jic23-iio/togreg]
[also build test ERROR on linus/master v6.11-rc1 next-20240729]
[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/Abhash-Jha/iio-light-ltr390-Add-configurable-gain-and-resolution/20240729-222433
base:   https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
patch link:    https://lore.kernel.org/r/20240729115056.355466-2-abhashkumarjha123%40gmail.com
patch subject: [PATCH v3 1/3] iio: light: ltr390: Add configurable gain and resolution
config: i386-buildonly-randconfig-003-20240730 (https://download.01.org/0day-ci/archive/20240730/202407300717.9WTaBkEv-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/20240730/202407300717.9WTaBkEv-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/202407300717.9WTaBkEv-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/iio/light/ltr390.c:171:6: error: call to undeclared function 'FIELD_PREP'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
     171 |                                         LTR390_ALS_UVS_INT_TIME(idx));
         |                                         ^
   drivers/iio/light/ltr390.c:42:36: note: expanded from macro 'LTR390_ALS_UVS_INT_TIME'
      42 | #define LTR390_ALS_UVS_INT_TIME(x)      FIELD_PREP(LTR390_ALS_UVS_INT_TIME_MASK, (x))
         |                                         ^
   1 error generated.


vim +/FIELD_PREP +171 drivers/iio/light/ltr390.c

   158	
   159	static int ltr390_set_int_time(struct ltr390_data *data, int val)
   160	{
   161		int ret, idx;
   162	
   163		for (idx = 0; idx < ARRAY_SIZE(ltr390_int_time_map_us); idx++) {
   164			if (ltr390_int_time_map_us[idx] != val)
   165				continue;
   166	
   167			guard(mutex)(&data->lock);
   168			ret = regmap_update_bits(data->regmap,
   169						LTR390_ALS_UVS_MEAS_RATE,
   170						LTR390_ALS_UVS_INT_TIME_MASK,
 > 171						LTR390_ALS_UVS_INT_TIME(idx));
   172			if (ret)
   173				return ret;
   174	
   175			data->int_time_us = ltr390_int_time_map_us[idx];
   176			return 0;
   177		}
   178	
   179		return -EINVAL;
   180	}
   181	

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