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@xxxxxxxxx> 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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