Currently pci_ats_disabled() is only defined when CONFIG_PCI is enabled. Since we're about to use the function in the Arm SMMUv3 driver, which could be built with CONFIG_PCI disabled, add a definition of pci_ats_disabled() for !CONFIG_PCI. Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@xxxxxxx> --- include/linux/pci.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/pci.h b/include/linux/pci.h index 169c6a18d0b0..61d7cd888bad 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1713,6 +1713,7 @@ static inline int pci_irqd_intx_xlate(struct irq_domain *d, static inline const struct pci_device_id *pci_match_id(const struct pci_device_id *ids, struct pci_dev *dev) { return NULL; } +static inline bool pci_ats_disabled(void) { return true; } #endif /* CONFIG_PCI */ #ifdef CONFIG_PCI_ATS -- 2.21.0