Commit 6a49d812 authored by Yu Zhao's avatar Yu Zhao Committed by Jesse Barnes

PCI: enhance pci_ari_enabled()

Change parameter of pci_ari_enabled() from 'pci_dev' to 'pci_bus'.

ARI forwarding on the bridge mostly concerns the subordinate devices
rather than the bridge itself. So this change will make the function
easier to use.
Signed-off-by: default avatarYu Zhao <yu.zhao@intel.com>
Signed-off-by: default avatarJesse Barnes <jbarnes@virtuousgeek.org>
parent 999da9fd
......@@ -165,13 +165,13 @@ struct pci_slot_attribute {
extern void pci_enable_ari(struct pci_dev *dev);
/**
* pci_ari_enabled - query ARI forwarding status
* @dev: the PCI device
* @bus: the PCI bus
*
* Returns 1 if ARI forwarding is enabled, or 0 if not enabled;
*/
static inline int pci_ari_enabled(struct pci_dev *dev)
static inline int pci_ari_enabled(struct pci_bus *bus)
{
return dev->ari_enabled;
return bus->self && bus->self->ari_enabled;
}
#endif /* DRIVERS_PCI_H */
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