Hi "Krzysztof, Thank you for the patch! Yet something to improve: [auto build test ERROR on pci/next] [also build test ERROR on v5.14-rc6 next-20210816] [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/Krzysztof-Ha-asa/PCIe-limit-Max-... base: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next config: arm64-randconfig-p001-20210816 (attached as .config) compiler: aarch64-linux-gcc (GCC) 11.2.0 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/63e17da24ae7c5ee07f3a34fc32cff645... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Krzysztof-Ha-asa/PCIe-limit-Max-Read-Request-Size-on-i-MX-to-512-bytes/20210816-193000 git checkout 63e17da24ae7c5ee07f3a34fc32cff6455e5b0c5 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm64 SHELL=/bin/bash 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 >>): aarch64-linux-ld: drivers/pci/controller/dwc/pci-imx6.o: in function `imx6_pcie_probe': pci-imx6.c:(.text+0x7c8): undefined reference to `max_pcie_mrrs' aarch64-linux-ld: drivers/pci/controller/dwc/pci-imx6.o: relocation R_AARCH64_ADR_PREL_PG_HI21 against symbol `max_pcie_mrrs' which may bind externally can not be used when making a shared object; recompile with -fPIC pci-imx6.c:(.text+0x7c8): dangerous relocation: unsupported relocation --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org