Re: [PATCH v7 3/6] iio: imu: adis: Add DIAG_STAT register

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

Hi Robert,

kernel test robot noticed the following build warnings:

[auto build test WARNING on jic23-iio/togreg]
[also build test WARNING on linus/master v6.14-rc2 next-20250213]
[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/Robert-Budai/iio-imu-adis-Add-custom-ops-struct/20250212-040235
base:   https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
patch link:    https://lore.kernel.org/r/20250211175706.276987-4-robert.budai%40analog.com
patch subject: [PATCH v7 3/6] iio: imu: adis: Add DIAG_STAT register
config: arc-randconfig-r112-20250213 (https://download.01.org/0day-ci/archive/20250214/202502140107.SF1UwFxM-lkp@intel.com/config)
compiler: arceb-elf-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20250214/202502140107.SF1UwFxM-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/202502140107.SF1UwFxM-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/iio/imu/adis.c:319:42: sparse: sparse: incorrect type in argument 3 (different base types) @@     expected unsigned short [usertype] *val @@     got unsigned short [usertype] status_16 @@
   drivers/iio/imu/adis.c:319:42: sparse:     expected unsigned short [usertype] *val
   drivers/iio/imu/adis.c:319:42: sparse:     got unsigned short [usertype] status_16
>> drivers/iio/imu/adis.c:319:42: sparse: sparse: non size-preserving integer to pointer cast

vim +319 drivers/iio/imu/adis.c

   298	
   299	/**
   300	 * __adis_check_status() - Check the device for error conditions (unlocked)
   301	 * @adis: The adis device
   302	 *
   303	 * Returns 0 on success, a negative error code otherwise
   304	 */
   305	int __adis_check_status(struct adis *adis)
   306	{
   307		unsigned int status;
   308		int diag_stat_bits;
   309		u16 status_16;
   310		int ret;
   311		int i;
   312	
   313		if (adis->data->diag_stat_size)
   314			ret = adis->ops->read(adis, adis->data->diag_stat_reg, &status,
   315					      adis->data->diag_stat_size);
   316		else
   317		{
   318			ret = __adis_read_reg_16(adis, adis->data->diag_stat_reg,
 > 319						 status_16);
   320			status = status_16;
   321		}
   322		if (ret)
   323			return ret;
   324	
   325		status &= adis->data->status_error_mask;
   326	
   327		if (status == 0)
   328			return 0;
   329	
   330		diag_stat_bits = BITS_PER_BYTE * (adis->data->diag_stat_size ?
   331						  adis->data->diag_stat_size : 2);
   332	
   333		for (i = 0; i < diag_stat_bits; ++i) {
   334			if (status & BIT(i)) {
   335				dev_err(&adis->spi->dev, "%s.\n",
   336					adis->data->status_error_msgs[i]);
   337			}
   338		}
   339	
   340		return -EIO;
   341	}
   342	EXPORT_SYMBOL_NS_GPL(__adis_check_status, "IIO_ADISLIB");
   343	

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