Re: [PATCH 2/2] thunderbolt: Use pre-boot DMA protection on AMD systems

[kernel test robot]

Hi Mario,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on joro-iommu/next]
[also build test ERROR on arm-perf/for-next/perf linus/master v5.17-rc8 next-20220315]
[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/Mario-Limonciello/iommu-amd-Add-support-to-indicate-whether-DMA-remap-support-is-enabled/20220316-002821
base:   https://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git next
config: x86_64-randconfig-a012 (https://download.01.org/0day-ci/archive/20220316/202203160904.VB4alCdg-lkp@xxxxxxxxx/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project a6b2f50fb47da3baeee10b1906da6e30ac5d26ec)
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/9b0b7079d348c607cba7af4c87eaae1a79e52d91
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Mario-Limonciello/iommu-amd-Add-support-to-indicate-whether-DMA-remap-support-is-enabled/20220316-002821
        git checkout 9b0b7079d348c607cba7af4c87eaae1a79e52d91
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

   In file included from drivers/thunderbolt/domain.c:9:
>> include/linux/amd-iommu.h:159:52: error: use of undeclared identifier 'ENODEV'
   static inline int amd_iommu_detect(void) { return -ENODEV; }
                                                      ^
   1 error generated.


vim +/ENODEV +159 include/linux/amd-iommu.h

6a9401a7ac13e6 arch/x86/include/asm/amd_iommu.h Joerg Roedel          2009-11-20  158  
480125ba49ba62 arch/x86/include/asm/amd_iommu.h Konrad Rzeszutek Wilk 2010-08-26 @159  static inline int amd_iommu_detect(void) { return -ENODEV; }
6a9401a7ac13e6 arch/x86/include/asm/amd_iommu.h Joerg Roedel          2009-11-20  160  

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