Hi Jake,

[auto build test ERROR on pci/next]
[also build test ERROR on v4.4-rc3 next-20151203]

url:    https://github.com/0day-ci/linux/commits/jakeo-microsoft-com/PCI-hv-New-paravirtual-PCI-front-end-for-Hyper-V-VMs/20151205-083943
base:   https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next
config: arm64-defconfig (attached as .config)
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=arm64 

All error/warnings (new ones prefixed by >>):

   drivers/pci/probe.c: In function 'pci_host_bridge_msi_domain':

quoted

drivers/pci/probe.c:682:10: error: implicit declaration of function 'pci_root_bus_fwnode' [-Werror=implicit-function-declaration]

      struct fwnode_handle *fwnode = pci_root_bus_fwnode(bus);
             ^

quoted

drivers/pci/probe.c:682:34: warning: initialization makes pointer from integer without a cast

      struct fwnode_handle *fwnode = pci_root_bus_fwnode(bus);
                                     ^

quoted

drivers/pci/probe.c:685:4: error: implicit declaration of function 'irq_find_matching_fwnode' [-Werror=implicit-function-declaration]

       d = irq_find_matching_fwnode(fwnode,
       ^

quoted

drivers/pci/probe.c:686:12: error: 'DOMAIN_BUS_PCI_MSI' undeclared (first use in this function)

               DOMAIN_BUS_PCI_MSI);
               ^
   drivers/pci/probe.c:686:12: note: each undeclared identifier is reported only once for each function it appears in
   cc1: some warnings being treated as errors

vim +/pci_root_bus_fwnode +682 drivers/pci/probe.c

   676	#ifdef CONFIG_PCI_MSI_IRQ_DOMAIN
   677		/*
   678		 * If no IRQ domain was found via the OF tree, try looking it up
   679		 * directly through the fwnode_handle.
   680		 */
   681		if (!d) {
 > 682			struct fwnode_handle *fwnode = pci_root_bus_fwnode(bus);
   683	
   684			if (fwnode)
 > 685				d = irq_find_matching_fwnode(fwnode,
 > 686							     DOMAIN_BUS_PCI_MSI);
   687		}
   688	#endif
   689	

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0-DAY kernel test infrastructure                Open Source Technology Center
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