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Date:   Thu, 3 Aug 2023 13:04:10 +0800
From:   kernel test robot <lkp@intel.com>
To:     Mario Limonciello <mario.limonciello@amd.com>,
        Mika Westerberg <mika.westerberg@linux.intel.com>,
        "Rafael J . Wysocki" <rafael@kernel.org>,
        Bjorn Helgaas <helgaas@kernel.org>
Cc:     oe-kbuild-all@lists.linux.dev, linux-pci@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org,
        Iain Lane <iain@orangesquash.org.uk>,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        Kuppuswamy Sathyanarayanan 
        <sathyanarayanan.kuppuswamy@linux.intel.com>,
        Mario Limonciello <mario.limonciello@amd.com>
Subject: Re: [PATCH v8 2/2] PCI/ACPI: Use device constraints instead of dates
 to opt devices into D3
Message-ID: <202308031243.Mmwm1IHI-lkp@intel.com>
References: <20230802201013.910-3-mario.limonciello@amd.com>
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In-Reply-To: <20230802201013.910-3-mario.limonciello@amd.com>
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Hi Mario,

kernel test robot noticed the following build errors:

[auto build test ERROR on rafael-pm/linux-next]
[also build test ERROR on pci/next pci/for-linus westeri-thunderbolt/next linus/master v6.5-rc4 next-20230802]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Mario-Limonciello/ACPI-Add-comments-to-clarify-some-ifdef-statements/20230803-041214
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
patch link:    https://lore.kernel.org/r/20230802201013.910-3-mario.limonciello%40amd.com
patch subject: [PATCH v8 2/2] PCI/ACPI: Use device constraints instead of dates to opt devices into D3
config: i386-randconfig-i005-20230731 (https://download.01.org/0day-ci/archive/20230803/202308031243.Mmwm1IHI-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce: (https://download.01.org/0day-ci/archive/20230803/202308031243.Mmwm1IHI-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308031243.Mmwm1IHI-lkp@intel.com/

All errors (new ones prefixed by >>):

   ld: drivers/pci/pci-acpi.o: in function `acpi_pci_device_constraint_d3':
>> drivers/pci/pci-acpi.c:1055: undefined reference to `acpi_get_lps0_constraint'


vim +1055 drivers/pci/pci-acpi.c

  1045	
  1046	/*
  1047	 * acpi_pci_device_constraint_d3 - determine if device constraints require D3
  1048	 * @dev: PCI device to check
  1049	 *
  1050	 * Returns true if the PEP constraints for the device is enabled and
  1051	 * requires D3.
  1052	 */
  1053	bool acpi_pci_device_constraint_d3(struct pci_dev *dev)
  1054	{
> 1055		int constraint = acpi_get_lps0_constraint(&dev->dev);
  1056	
  1057		if (constraint < 0) {
  1058			pci_dbg(dev, "ACPI device constraint not present\n");
  1059			return false;
  1060		}
  1061	
  1062		return constraint >= 3;
  1063	}
  1064	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki