Hi Ashok, Thank you for the patch! Yet something to improve: [auto build test ERROR on pci/next] [also build test ERROR on iommu/next linux/master linus/master v5.8-rc6 next-20200720] [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/Ashok-Raj/PCI-ATS-PASID-and-PRI-... base: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next config: arm64-defconfig (attached as .config) compiler: aarch64-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 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>): 471 | bool pci_pri_supported(struct pci_dev *pdev) | ^~~~~~~~~~~~~~~~~ drivers/pci/ats.c: In function 'pci_pri_supported': 474 | return !!(pci_physfn(pdev)->pri_cap); | ^~~~~~~ | pcie_cap 475 | } | ^ vim +474 drivers/pci/ats.c 463 464 /** 465 * pci_pri_supported - Check if PRI is supported. 466 * @pdev: PCI device structure 467 * 468 * Returns false when no PRI capability is present. 469 * Returns true if PRI feature is supported and enabled 470 */ 472 { 473 /* VFs share the PF PRI configuration */ 476 EXPORT_SYMBOL_GPL(pci_pri_supported); 477 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org