[PATCH v3 02/10] iommu/dma: Introduce generic helper to retrieve RMR info

[kernel test robot]

Hi Shameer,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on pm/linux-next]
[also build test WARNING on arm/for-next soc/for-next arm64/for-next/core linus/master v5.12-rc8]
[cannot apply to iommu/next xlnx/master next-20210420]
[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]

url:    https://github.com/0day-ci/linux/commits/Shameer-Kolothum/ACPI-IORT-Support-for-IORT-RMR-node/20210420-173125
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
config: x86_64-randconfig-a002-20210420 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project ca8eef7e3da8f750d7c7aa004fe426d1d34787ea)
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 x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://github.com/0day-ci/linux/commit/c68d4ba37ecc2173a2dc418799e23a184685d681
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Shameer-Kolothum/ACPI-IORT-Support-for-IORT-RMR-node/20210420-173125
        git checkout c68d4ba37ecc2173a2dc418799e23a184685d681
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>

All warnings (new ones prefixed by >>):

   In file included from drivers/iommu/arm/arm-smmu/qcom_iommu.c:13:
>> include/linux/dma-iommu.h:92:31: warning: declaration of 'struct fwnode_handle' will not be visible outside of this function [-Wvisibility]
   int iommu_dma_get_rmrs(struct fwnode_handle *iommu, struct list_head *list);
                                 ^
   include/linux/dma-iommu.h:93:1: error: expected identifier or '('
   {
   ^
   1 warning and 1 error generated.


vim +92 include/linux/dma-iommu.h

    91	
  > 92	int iommu_dma_get_rmrs(struct fwnode_handle *iommu, struct list_head *list);
    93	{
    94		return 0;
    95	}
    96	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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