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Message-ID: <202506281332.JQb144bv-lkp@intel.com>
Date: Sat, 28 Jun 2025 13:28:00 +0800
From: kernel test robot <lkp@...el.com>
To: Mario Limonciello <superm1@...nel.org>,
Bjorn Helgaas <helgaas@...nel.org>
Cc: oe-kbuild-all@...ts.linux.dev, Alex Deucher <alexander.deucher@....com>,
Christian König <christian.koenig@....com>,
David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
Lukas Wunner <lukas@...ner.de>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>,
Thomas Zimmermann <tzimmermann@...e.de>,
David Woodhouse <dwmw2@...radead.org>,
Lu Baolu <baolu.lu@...ux.intel.com>, Joerg Roedel <joro@...tes.org>,
Will Deacon <will@...nel.org>, Robin Murphy <robin.murphy@....com>,
Alex Williamson <alex.williamson@...hat.com>,
Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
"(open list:INTEL IOMMU (VT-d))" <iommu@...ts.linux.dev>,
linux-pci@...r.kernel.org, kvm@...r.kernel.org,
linux-sound@...r.kernel.org, Daniel Dadap <ddadap@...dia.com>,
Mario Limonciello <mario.limonciello@....com>
Subject: Re: [PATCH v6 9/9] PCI: Add a new 'boot_display' attribute
Hi Mario,
kernel test robot noticed the following build errors:
[auto build test ERROR on pci/next]
[also build test ERROR on pci/for-linus tiwai-sound/for-next tiwai-sound/for-linus tip/x86/core linus/master v6.16-rc3 next-20250627]
[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/PCI-Add-helper-for-checking-if-a-PCI-device-is-a-display-controller/20250627-123349
base: https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git next
patch link: https://lore.kernel.org/r/20250627043108.3141206-10-superm1%40kernel.org
patch subject: [PATCH v6 9/9] PCI: Add a new 'boot_display' attribute
config: arc-randconfig-001-20250628 (https://download.01.org/0day-ci/archive/20250628/202506281332.JQb144bv-lkp@intel.com/config)
compiler: arc-linux-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250628/202506281332.JQb144bv-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202506281332.JQb144bv-lkp@intel.com/
All error/warnings (new ones prefixed by >>):
drivers/pci/pci-sysfs.c: In function 'pci_create_sysfs_dev_files':
>> drivers/pci/pci-sysfs.c:1701:11: error: implicit declaration of function 'pci_create_boot_display_file'; did you mean 'pci_create_sysfs_dev_files'? [-Werror=implicit-function-declaration]
retval = pci_create_boot_display_file(pdev);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
pci_create_sysfs_dev_files
drivers/pci/pci-sysfs.c: In function 'pci_remove_sysfs_dev_files':
>> drivers/pci/pci-sysfs.c:1719:2: error: implicit declaration of function 'pci_remove_boot_display_file'; did you mean 'pci_remove_sysfs_dev_files'? [-Werror=implicit-function-declaration]
pci_remove_boot_display_file(pdev);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
pci_remove_sysfs_dev_files
In file included from include/linux/pci.h:37,
from drivers/pci/pci-sysfs.c:19:
At top level:
>> include/linux/device.h:199:26: warning: 'dev_attr_boot_display' defined but not used [-Wunused-variable]
struct device_attribute dev_attr_##_name = __ATTR_RO(_name)
^~~~~~~~~
drivers/pci/pci-sysfs.c:688:8: note: in expansion of macro 'DEVICE_ATTR_RO'
static DEVICE_ATTR_RO(boot_display);
^~~~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +1701 drivers/pci/pci-sysfs.c
1693
1694 int __must_check pci_create_sysfs_dev_files(struct pci_dev *pdev)
1695 {
1696 int retval;
1697
1698 if (!sysfs_initialized)
1699 return -EACCES;
1700
> 1701 retval = pci_create_boot_display_file(pdev);
1702 if (retval)
1703 return retval;
1704
1705 return pci_create_resource_files(pdev);
1706 }
1707
1708 /**
1709 * pci_remove_sysfs_dev_files - cleanup PCI specific sysfs files
1710 * @pdev: device whose entries we should free
1711 *
1712 * Cleanup when @pdev is removed from sysfs.
1713 */
1714 void pci_remove_sysfs_dev_files(struct pci_dev *pdev)
1715 {
1716 if (!sysfs_initialized)
1717 return;
1718
> 1719 pci_remove_boot_display_file(pdev);
1720 pci_remove_resource_files(pdev);
1721 }
1722
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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