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PCI: enhance pci_ari_enabled()

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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: Yu Zhao <yu.zhao@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Yu Zhao
2008-11-22 02:38:21 +08:00
committed by Jesse Barnes
parent 999da9fd48
commit 6a49d81200
1 changed files with 3 additions and 3 deletions
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6
drivers/pci/pci.h
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@@ -165,13 +165,13 @@ struct pci_slot_attribute {
extern void pci_enable_ari(struct pci_dev *dev); extern void pci_enable_ari(struct pci_dev *dev);
/** /**
* pci_ari_enabled - query ARI forwarding status * 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; * 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 */ #endif /* DRIVERS_PCI_H */