[linux-next:master 6932/13542] drivers/acpi/arm64/iort.c:1406:2: error: call to undeclared function 'iort_iommu_rmr_get_resv_regions'; ISO C99 and later do not support implicit function declarations

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

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   7c5e07b73ff3011c9b82d4a3286a3362b951ad2b
commit: e302eea8f49717253ac64fd45b7cc719e87fa010 [6932/13542] ACPI/IORT: Add a helper to retrieve RMR info directly
config: arm64-buildonly-randconfig-r005-20220728 (https://download.01.org/0day-ci/archive/20220729/202207291335.1sImjcbY-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 8dfaecc4c24494337933aff9d9166486ca0949f1)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=e302eea8f49717253ac64fd45b7cc719e87fa010
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout e302eea8f49717253ac64fd45b7cc719e87fa010
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/acpi/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> drivers/acpi/arm64/iort.c:1406:2: error: call to undeclared function 'iort_iommu_rmr_get_resv_regions'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
           iort_iommu_rmr_get_resv_regions(iommu_fwnode, NULL, head);
           ^
   drivers/acpi/arm64/iort.c:1406:2: note: did you mean 'iort_iommu_get_resv_regions'?
   drivers/acpi/arm64/iort.c:1329:6: note: 'iort_iommu_get_resv_regions' declared here
   void iort_iommu_get_resv_regions(struct device *dev, struct list_head *head)
        ^
   1 error generated.


vim +/iort_iommu_rmr_get_resv_regions +1406 drivers/acpi/arm64/iort.c

  1396	
  1397	/**
  1398	 * iort_get_rmr_sids - Retrieve IORT RMR node reserved regions with
  1399	 *                     associated StreamIDs information.
  1400	 * @iommu_fwnode: fwnode associated with IOMMU
  1401	 * @head: Resereved region list
  1402	 */
  1403	void iort_get_rmr_sids(struct fwnode_handle *iommu_fwnode,
  1404			       struct list_head *head)
  1405	{
> 1406		iort_iommu_rmr_get_resv_regions(iommu_fwnode, NULL, head);
  1407	}
  1408	EXPORT_SYMBOL_GPL(iort_get_rmr_sids);
  1409	

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