[PATCH 1/2] powerpc/powernv/pci: Add helper to check if a PE has a single vendor

[kbuild test robot]

Hi Russell,

[auto build test ERROR on powerpc/next]
[also build test ERROR on v4.12-rc6 next-20170623]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Russell-Currey/powerpc-powernv-pci-Add-helper-to-check-if-a-PE-has-a-single-vendor/20170623-201801
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: powerpc-ppc64_defconfig (attached as .config)
compiler: powerpc64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=powerpc 

Note: the linux-review/Russell-Currey/powerpc-powernv-pci-Add-helper-to-check-if-a-PE-has-a-single-vendor/20170623-201801 HEAD cc13610eab0edbbdf3d9a8b29b33b1bc02859672 builds fine.
      It only hurts bisectibility.

All errors (new ones prefixed by >>):

>> arch/powerpc/platforms/powernv/pci-ioda.c:1721:13: error: 'pnv_pci_ioda_pe_single_vendor' defined but not used [-Werror=unused-function]
    static bool pnv_pci_ioda_pe_single_vendor(struct pnv_ioda_pe *pe)
                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   cc1: all warnings being treated as errors

vim +/pnv_pci_ioda_pe_single_vendor +1721 arch/powerpc/platforms/powernv/pci-ioda.c

  1715		 * for physical PE: the device is already added by now;
  1716		 * for virtual PE: sysfs entries are not ready yet and
  1717		 * tce_iommu_bus_notifier will add the device to a group later.
  1718		 */
  1719	}
  1720	
> 1721	static bool pnv_pci_ioda_pe_single_vendor(struct pnv_ioda_pe *pe)
  1722	{
  1723		unsigned short vendor = 0;
  1724		struct pci_dev *pdev;

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
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