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

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

drivers/pci/pci.h

+3 −3
Original line number Original line Diff line number Diff line
@@ -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 */