[alsa-devel] [sound:for-next 2/20] drivers/pci/pci.c:5859:6: error: redefinition of 'pci_pr3_present'

From: kbuild test robot <lkp@intel.com>
To: Kai-Heng Feng <kai.heng.feng@canonical.com>
Cc: Takashi Iwai <tiwai@suse.de>,
	alsa-devel@alsa-project.org, kbuild-all@lists.01.org
Subject: [alsa-devel] [sound:for-next 2/20] drivers/pci/pci.c:5859:6: error: redefinition of 'pci_pr3_present'
Date: Thu, 17 Oct 2019 17:42:47 +0800	[thread overview]
Message-ID: <201910171743.2X4agjN2%lkp@intel.com> (raw)

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git for-next
head:   fa5a68b2abcefe2204075c80662e02cf59567a9f
commit: 2e1a529c10e18e62da55eac42c278f11216dddaa [2/20] PCI: Add pci_pr3_present() helper to check Power Resource for D3hot
config: parisc-c3000_defconfig (attached as .config)
compiler: hppa-linux-gcc (GCC) 7.4.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 2e1a529c10e18e62da55eac42c278f11216dddaa
        # save the attached .config to linux build tree
        GCC_VERSION=7.4.0 make.cross ARCH=parisc 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> drivers/pci/pci.c:5859:6: error: redefinition of 'pci_pr3_present'
    bool pci_pr3_present(struct pci_dev *pdev)
         ^~~~~~~~~~~~~~~
   In file included from include/linux/of_pci.h:5:0,
                    from drivers/pci/pci.c:17:
   include/linux/pci.h:2317:13: note: previous definition of 'pci_pr3_present' was here
    static bool pci_pr3_present(struct pci_dev *pdev) { return false; }
                ^~~~~~~~~~~~~~~
   drivers/pci/pci.c: In function 'pci_pr3_present':
>> drivers/pci/pci.c:5870:13: error: dereferencing pointer to incomplete type 'struct acpi_device'
     return adev->power.flags.power_resources &&
                ^~
>> drivers/pci/pci.c:5871:3: error: implicit declaration of function 'acpi_has_method'; did you mean 'acpi_has_watchdog'? [-Werror=implicit-function-declaration]
      acpi_has_method(adev->handle, "_PR3");
      ^~~~~~~~~~~~~~~
      acpi_has_watchdog
   In file included from include/linux/of_pci.h:5:0,
                    from drivers/pci/pci.c:17:
   At top level:
   include/linux/pci.h:2317:13: warning: 'pci_pr3_present' defined but not used [-Wunused-function]
    static bool pci_pr3_present(struct pci_dev *pdev) { return false; }
                ^~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/pci_pr3_present +5859 drivers/pci/pci.c

  5858	
> 5859	bool pci_pr3_present(struct pci_dev *pdev)
  5860	{
  5861		struct acpi_device *adev;
  5862	
  5863		if (acpi_disabled)
  5864			return false;
  5865	
  5866		adev = ACPI_COMPANION(&pdev->dev);
  5867		if (!adev)
  5868			return false;
  5869	
> 5870		return adev->power.flags.power_resources &&
> 5871			acpi_has_method(adev->handle, "_PR3");
  5872	}
  5873	EXPORT_SYMBOL_GPL(pci_pr3_present);
  5874	

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

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