Re: [PATCH V4 18/29] microblaze/PCI: Defer IRQ assignment to device enable time

From: kbuild test robot <lkp@intel.com>
To: Matthew Minter <matt@masarand.com>
Cc: kbuild-all@01.org, linux-pci@vger.kernel.org,
	bhelgaas@google.com, Liviu.Dudau@arm.com,
	ddaney@caviumnetworks.com, lorenzo.pieralisi@arm.com,
	Matthew Minter <matt@masarand.com>
Subject: Re: [PATCH V4 18/29] microblaze/PCI: Defer IRQ assignment to device enable time
Date: Fri, 23 Oct 2015 13:40:32 +0800	[thread overview]
Message-ID: <201510231357.jQ4uKY8P%fengguang.wu@intel.com> (raw)
In-Reply-To: <1445576642-29624-19-git-send-email-matt@masarand.com>

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Hi Matthew,

[auto build test WARNING on v4.3-rc6 -- if it's inappropriate base, please suggest rules for selecting the more suitable base]

url:    https://github.com/0day-ci/linux/commits/Matthew-Minter/PCI-Build-setup-irq-o-on-all-arches/20151023-131018
config: microblaze-mmu_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=microblaze 

All warnings (new ones prefixed by >>):

   arch/microblaze/pci/pci-common.c: In function 'pcibios_root_bridge_prepare':
>> arch/microblaze/pci/pci-common.c:863:18: warning: assignment from incompatible pointer type
     bridge->map_irq = of_irq_parse_and_map_pci;
                     ^

vim +863 arch/microblaze/pci/pci-common.c

   847		pr_debug("PCI: Fixup bus devices %d (%s)\n",
   848			 bus->number, bus->self ? pci_name(bus->self) : "PHB");
   849	
   850		list_for_each_entry(dev, &bus->devices, bus_list) {
   851			/* Setup OF node pointer in archdata */
   852			dev->dev.of_node = pci_device_to_OF_node(dev);
   853	
   854			/* Fixup NUMA node as it may not be setup yet by the generic
   855			 * code and is needed by the DMA init
   856			 */
   857			set_dev_node(&dev->dev, pcibus_to_node(dev->bus));
   858		}
   859	}
   860	
   861	int pcibios_root_bridge_prepare(struct pci_host_bridge *bridge)
   862	{
 > 863		bridge->map_irq = of_irq_parse_and_map_pci;
   864		return 0;
   865	}
   866	
   867	void pcibios_fixup_bus(struct pci_bus *bus)
   868	{
   869		/* When called from the generic PCI probe, read PCI<->PCI bridge
   870		 * bases. This is -not- called when generating the PCI tree from
   871		 * the OF device-tree.

---
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