linux-kernel - Re: [PATCH v3 4/7] PCI: Record an fwnode associated with root PCI buses, optionally

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Date:	Tue, 27 Oct 2015 08:44:57 +0800
From:	kbuild test robot <lkp@...el.com>
To:	jakeo@...rosoft.com
Cc:	kbuild-all@...org, gregkh@...uxfoundation.org, kys@...rosoft.com,
	linux-kernel@...r.kernel.org, devel@...uxdriverproject.org,
	olaf@...fle.de, apw@...onical.com, vkuznets@...hat.com,
	tglx@...utronix.de, haiyangz@...rosoft.com, marc.zyngier@....com,
	jiang.liu@...ux.intel.com, bhelgaas@...gle.com,
	linux-pci@...r.kernel.org, Jake Oshins <jakeo@...rosoft.com>
Subject: Re: [PATCH v3 4/7] PCI: Record an fwnode associated with root PCI
 buses, optionally

Hi Jake,

[auto build test ERROR on next-20151022 -- if it's inappropriate base, please suggest rules for selecting the more suitable base]

url:    https://github.com/0day-ci/linux/commits/jakeo-microsoft-com/New-paravirtual-PCI-front-end-for-Hyper-V-VMs/20151027-072118
config: parisc-b180_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=parisc 

All errors (new ones prefixed by >>):

   drivers/parisc/dino.c: In function 'dino_probe':
>> drivers/parisc/dino.c:988:32: error: too few arguments to function 'pci_create_root_bus'
     dino_dev->hba.hba_bus = bus = pci_create_root_bus(&dev->dev,
                                   ^
   In file included from drivers/parisc/dino.c:49:0:
   include/linux/pci.h:791:17: note: declared here
    struct pci_bus *pci_create_root_bus(struct device *parent, int bus,
                    ^

vim +/pci_create_root_bus +988 drivers/parisc/dino.c

30aa80da Yinghai Lu     2012-05-17  982  	dino_dev->hba.bus_num.flags = IORESOURCE_BUS;
30aa80da Yinghai Lu     2012-05-17  983  	pci_add_resource(&resources, &dino_dev->hba.bus_num);
^1da177e Linus Torvalds 2005-04-16  984  	/*
^1da177e Linus Torvalds 2005-04-16  985  	** It's not used to avoid chicken/egg problems
^1da177e Linus Torvalds 2005-04-16  986  	** with configuration accessor functions.
^1da177e Linus Torvalds 2005-04-16  987  	*/
7590e500 Bjorn Helgaas  2011-10-28 @988  	dino_dev->hba.hba_bus = bus = pci_create_root_bus(&dev->dev,
7590e500 Bjorn Helgaas  2011-10-28  989  			 dino_current_bus, &dino_cfg_ops, NULL, &resources);
c4e06576 Bjorn Helgaas  2011-10-28  990  	if (!bus) {
c4e06576 Bjorn Helgaas  2011-10-28  991  		printk(KERN_ERR "ERROR: failed to scan PCI bus on %s (duplicate bus number %d?)\n",

:::::: The code at line 988 was first introduced by commit
:::::: 7590e500ad83d9ac1e55eed4720e053eff14b8e5 parisc/PCI: dino: convert to pci_create_root_bus() for correct root bus resources

:::::: TO: Bjorn Helgaas <bhelgaas@...gle.com>
:::::: CC: Jesse Barnes <jbarnes@...tuousgeek.org>

---
0-DAY kernel test infrastructure                Open Source Technology Center
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