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| author | Yu Zhao <yu.zhao@intel.com> | 2008-11-22 02:38:21 +0800 |
|---|---|---|
| committer | Jesse Barnes <jbarnes@virtuousgeek.org> | 2009-01-07 11:12:59 -0800 |
| commit | 6a49d8120021897e139641062236215aac5d220e (patch) | |
| tree | 894221dce19f76f3232c1f7b9801d1786aabeaf9 /drivers/pci/pci.h | |
| parent | 999da9fd489cd9774a89122940190376e19b21ce (diff) | |
| download | linux-6a49d8120021897e139641062236215aac5d220e.tar.bz2 | |
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.h | 6 |
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 */ |