tree: https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git for-next head: bacd861452d2be86a4df341b12e32db7dac8021e commit: 52525b7a3cf82adec5c6cf0ecbd23ff228badc94 [37/38] PCI: Add a helper to check Power Resource Requirements _PR3 existence config: sparc64-allmodconfig (attached as .config) compiler: sparc64-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 52525b7a3cf82adec5c6cf0ecbd23ff228badc94 # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=sparc64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from arch/sparc/kernel/iommu.c:20:0: >> include/linux/pci.h:2317:13: error: 'pci_pr3_present' defined but not used [-Werror=unused-function] static bool pci_pr3_present(struct pci_dev *pdev) { return false; } ^~~~~~~~~~~~~~~ cc1: all warnings being treated as errors vim +/pci_pr3_present +2317 include/linux/pci.h 2310 2311 void 2312 pci_msi_register_fwnode_provider(struct fwnode_handle *(*fn)(struct device *)); 2313 bool pci_pr3_present(struct pci_dev *pdev); 2314 #else 2315 static inline struct irq_domain * 2316 pci_host_bridge_acpi_msi_domain(struct pci_bus *bus) { return NULL; } > 2317 static bool pci_pr3_present(struct pci_dev *pdev) { return false; } 2318 #endif 2319 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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