linux-kernel - Re: [PATCH v2 1/6] PCI: Add helpers to request/release memory and I/O regions

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Date:	Sun, 5 Jun 2016 07:32:13 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Johannes Thumshirn <jthumshirn@...e.de>
Cc:	kbuild-all@...org, Bjorn Helgaas <bhelgaas@...gle.com>,
	linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
	Christoph Hellwig <hch@...radead.org>,
	Johannes Thumshirn <jthumshirn@...e.de>
Subject: Re: [PATCH v2 1/6] PCI: Add helpers to request/release memory and
 I/O regions

Hi,

[auto build test ERROR on jkirsher-next-queue/dev-queue]
[also build test ERROR on v4.7-rc1 next-20160603]
[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/Johannes-Thumshirn/Introduce-pci_-request-release-_-mem-io-_regions/20160602-153400
base:   https://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue.git dev-queue
config: mips-rt305x_defconfig (attached as .config)
compiler: mips-linux-gnu-gcc (Debian 5.3.1-8) 5.3.1 20160205
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=mips 

All errors (new ones prefixed by >>):

   In file included from lib/pci_iomap.c:6:0:
   include/linux/pci.h: In function 'pci_request_io_regions':
>> include/linux/pci.h:2021:9: error: implicit declaration of function 'pci_request_selected_regions' [-Werror=implicit-function-declaration]
     return pci_request_selected_regions(pdev,
            ^
>> include/linux/pci.h:2022:8: error: implicit declaration of function 'pci_select_bars' [-Werror=implicit-function-declaration]
           pci_select_bars(pdev, IORESOURCE_IO), name);
           ^
   include/linux/pci.h: In function 'pci_release_io_regions':
   include/linux/pci.h:2028:9: error: implicit declaration of function 'pci_release_selected_regions' [-Werror=implicit-function-declaration]
     return pci_release_selected_regions(pdev,
            ^
   include/linux/pci.h:2028:9: warning: 'return' with a value, in function returning void
   include/linux/pci.h: In function 'pci_release_mem_regions':
   include/linux/pci.h:2042:9: warning: 'return' with a value, in function returning void
     return pci_release_selected_regions(pdev,
            ^
   cc1: some warnings being treated as errors

vim +/pci_request_selected_regions +2021 include/linux/pci.h

  2015		return (pdev->dev_flags & PCI_DEV_FLAGS_ASSIGNED) == PCI_DEV_FLAGS_ASSIGNED;
  2016	}
  2017	
  2018	static inline int
  2019	pci_request_io_regions(struct pci_dev *pdev, const char *name)
  2020	{
> 2021		return pci_request_selected_regions(pdev,
> 2022				    pci_select_bars(pdev, IORESOURCE_IO), name);
  2023	}
  2024	
  2025	static inline void

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