Re: [PATCH v1 3/4] iio: afe: rescale: Re-use generic struct s32_fract

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

Hi Andy,

kernel test robot noticed the following build errors:

[auto build test ERROR on jic23-iio/togreg]
[also build test ERROR on linus/master v6.13-rc1 next-20241203]
[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/Andy-Shevchenko/iio-afe-rescale-Don-t-use-for-booleans/20241204-124353
base:   https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
patch link:    https://lore.kernel.org/r/20241204013620.862943-4-andriy.shevchenko%40linux.intel.com
patch subject: [PATCH v1 3/4] iio: afe: rescale: Re-use generic struct s32_fract
config: arm-randconfig-003 (https://download.01.org/0day-ci/archive/20241204/202412041908.UaZf89I0-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 592c0fe55f6d9a811028b5f3507be91458ab2713)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241204/202412041908.UaZf89I0-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/202412041908.UaZf89I0-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/iio/test/iio-test-rescale.c:655:10: error: no member named 'numerator' in 'struct rescale'
     655 |         rescale.numerator = t->numerator;
         |         ~~~~~~~ ^
>> drivers/iio/test/iio-test-rescale.c:656:10: error: no member named 'denominator' in 'struct rescale'
     656 |         rescale.denominator = t->denominator;
         |         ~~~~~~~ ^
   drivers/iio/test/iio-test-rescale.c:684:10: error: no member named 'numerator' in 'struct rescale'
     684 |         rescale.numerator = t->numerator;
         |         ~~~~~~~ ^
   drivers/iio/test/iio-test-rescale.c:685:10: error: no member named 'denominator' in 'struct rescale'
     685 |         rescale.denominator = t->denominator;
         |         ~~~~~~~ ^
   4 errors generated.


vim +655 drivers/iio/test/iio-test-rescale.c

8e74a48d17d509 Liam Beguin 2022-02-12  645  
8e74a48d17d509 Liam Beguin 2022-02-12  646  static void iio_rescale_test_scale(struct kunit *test)
8e74a48d17d509 Liam Beguin 2022-02-12  647  {
8e74a48d17d509 Liam Beguin 2022-02-12  648  	struct rescale_tc_data *t = (struct rescale_tc_data *)test->param_value;
8e74a48d17d509 Liam Beguin 2022-02-12  649  	char *buff = kunit_kmalloc(test, PAGE_SIZE, GFP_KERNEL);
8e74a48d17d509 Liam Beguin 2022-02-12  650  	struct rescale rescale;
8e74a48d17d509 Liam Beguin 2022-02-12  651  	int values[2];
8e74a48d17d509 Liam Beguin 2022-02-12  652  	int rel_ppm;
8e74a48d17d509 Liam Beguin 2022-02-12  653  	int ret;
8e74a48d17d509 Liam Beguin 2022-02-12  654  
8e74a48d17d509 Liam Beguin 2022-02-12 @655  	rescale.numerator = t->numerator;
8e74a48d17d509 Liam Beguin 2022-02-12 @656  	rescale.denominator = t->denominator;
8e74a48d17d509 Liam Beguin 2022-02-12  657  	rescale.offset = t->offset;
8e74a48d17d509 Liam Beguin 2022-02-12  658  	values[0] = t->schan_val;
8e74a48d17d509 Liam Beguin 2022-02-12  659  	values[1] = t->schan_val2;
8e74a48d17d509 Liam Beguin 2022-02-12  660  
8e74a48d17d509 Liam Beguin 2022-02-12  661  	ret = rescale_process_scale(&rescale, t->schan_scale_type,
8e74a48d17d509 Liam Beguin 2022-02-12  662  				    &values[0], &values[1]);
8e74a48d17d509 Liam Beguin 2022-02-12  663  
8e74a48d17d509 Liam Beguin 2022-02-12  664  	ret = iio_format_value(buff, ret, 2, values);
8e74a48d17d509 Liam Beguin 2022-02-12  665  	KUNIT_EXPECT_EQ(test, (int)strlen(buff), ret);
8e74a48d17d509 Liam Beguin 2022-02-12  666  
8e74a48d17d509 Liam Beguin 2022-02-12  667  	rel_ppm = iio_test_relative_error_ppm(buff, t->expected);
8e74a48d17d509 Liam Beguin 2022-02-12  668  	KUNIT_EXPECT_GE_MSG(test, rel_ppm, 0, "failed to compute ppm\n");
8e74a48d17d509 Liam Beguin 2022-02-12  669  
8e74a48d17d509 Liam Beguin 2022-02-12  670  	KUNIT_EXPECT_EQ_MSG(test, rel_ppm, 0,
8e74a48d17d509 Liam Beguin 2022-02-12  671  			    "\t    real=%s"
8e74a48d17d509 Liam Beguin 2022-02-12  672  			    "\texpected=%s\n",
8e74a48d17d509 Liam Beguin 2022-02-12  673  			    buff, t->expected);
8e74a48d17d509 Liam Beguin 2022-02-12  674  }
8e74a48d17d509 Liam Beguin 2022-02-12  675  

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