[linux-next:master 8316/12319] ld.lld: error: undefined symbol: devm_iio_dmaengine_buffer_setup_with_handle

[linux-next:master 8316/12319] ld.lld: error: undefined symbol: devm_iio_dmaengine_buffer_setup_with_handle

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   d7af19298454ed155f5cf67201a70f5cf836c842
commit: 219da3ea842a156e5808176e11db256db9798f6c [8316/12319] iio: adc: ad_sigma_delta: add SPI offload support
config: i386-buildonly-randconfig-2001-20250728 (https://download.01.org/0day-ci/archive/20250728/202507280508.NTndvTIT-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250728/202507280508.NTndvTIT-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/202507280508.NTndvTIT-lkp@intel.com/

Note: the linux-next/master HEAD d7af19298454ed155f5cf67201a70f5cf836c842 builds fine.
      It may have been fixed somewhere.

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: devm_iio_dmaengine_buffer_setup_with_handle
   >>> referenced by ad_sigma_delta.c:820 (drivers/iio/adc/ad_sigma_delta.c:820)
   >>>               drivers/iio/adc/ad_sigma_delta.o:(devm_ad_sd_setup_buffer_and_trigger) in archive vmlinux.a

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