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-Suppo... base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next config: m68k-randconfig-m031-20210420 (attached as .config) compiler: m68k-linux-gcc (GCC) 9.3.0 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 # https://github.com/0day-ci/linux/commit/2501962e423895e2e4f126ff5998b226f... 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 2501962e423895e2e4f126ff5998b226f4803186 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 ARCH=m68k If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): In file included from drivers/iommu/rockchip-iommu.c:13: 94 | static void iommu_dma_get_rmr_resv_regions(struct device *dev, struct iommu_rmr *rmr, | ^~~~~~~~~ include/linux/dma-iommu.h:100:1: error: expected identifier or '(' before '{' token 100 | { | ^ In file included from drivers/iommu/rockchip-iommu.c:13: include/linux/dma-iommu.h:94:13: warning: 'iommu_dma_get_rmr_resv_regions' defined but not used [-Wunused-function] 94 | static void iommu_dma_get_rmr_resv_regions(struct device *dev, struct iommu_rmr *rmr, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for ADI_AXI_ADC Depends on IIO && HAS_IOMEM && OF Selected by - AD9467 && IIO && SPI vim +94 include/linux/dma-iommu.h 93 95 struct list_head *list) 96 { 97 } 98 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org