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authorYu Zhao <yu.zhao@intel.com>2008-11-22 02:38:21 +0800
committerJesse Barnes <jbarnes@virtuousgeek.org>2009-01-07 11:12:59 -0800
commit6a49d8120021897e139641062236215aac5d220e (patch)
tree894221dce19f76f3232c1f7b9801d1786aabeaf9 /drivers/pci/pci.h
parent999da9fd489cd9774a89122940190376e19b21ce (diff)
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: Yu Zhao <yu.zhao@intel.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'drivers/pci/pci.h')
-rw-r--r--drivers/pci/pci.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 7242b511a93f..392388468f6f 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -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 */