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PCI: Add a stub for pci_ats_disabled()

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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.

Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Jean-Philippe Brucker 2019-04-17 19:24:41 +01:00 committed by Will Deacon
parent 6e1ffbb7c2
commit b9ae16d80a
1 changed files with 1 additions and 0 deletions
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include/linux/pci.h
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@ -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