Hi Manivannan,

I love your patch! Yet something to improve:

[auto build test ERROR on pci/next]
[also build test ERROR on linus/master v5.13 next-20210628]
[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/Manivannan-Sadhasivam/Add-Qualcomm-PCIe-Endpoint-driver-support/20210624-152757
base:   https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next
config: powerpc-allmodconfig (attached as .config)
compiler: powerpc64-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/aa700b0071ecb52b6748f470a2b640f9f8986530
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Manivannan-Sadhasivam/Add-Qualcomm-PCIe-Endpoint-driver-support/20210624-152757
        git checkout aa700b0071ecb52b6748f470a2b640f9f8986530
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc 

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

All errors (new ones prefixed by >>, old ones prefixed by <<):

quoted

ERROR: modpost: ".dw_pcie_ep_raise_msi_irq" [drivers/pci/controller/dwc/pcie-qcom-ep.ko] undefined!
ERROR: modpost: ".dw_pcie_ep_raise_legacy_irq" [drivers/pci/controller/dwc/pcie-qcom-ep.ko] undefined!
ERROR: modpost: ".dw_pcie_ep_reset_bar" [drivers/pci/controller/dwc/pcie-qcom-ep.ko] undefined!

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0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org