In-Reply-To: <20200819162208.1965707-1-george.cherian(a)marvell.com&gt; References: <20200819162208.1965707-1-george.cherian(a)marvell.com&gt; TO: George Cherian <george.cherian(a)marvell.com&gt; TO: linux-kernel(a)vger.kernel.org TO: linux-arch(a)vger.kernel.org TO: linux-pci(a)vger.kernel.org CC: bhelgaas(a)google.com CC: arnd(a)arndb.de CC: George Cherian <george.cherian(a)marvell.com&gt; Hi George, I love your patch! Yet something to improve: [auto build test ERROR on pci/next] [also build test ERROR on linux/master linus/master v5.9-rc1 next-20200819] [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/George-Cherian/PCI-Add-pci_iounm... base: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next config: powerpc64-randconfig-r001-20200818 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project b34b1e38381fa4d1b1d9751a6b5233b68e734cfe) 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 powerpc64 cross compiling tool for clang build # apt-get install binutils-powerpc64-linux-gnu # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org