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Message-ID: <20081121183821.GB7810@yzhao12-linux.sh.intel.com>
Date: Sat, 22 Nov 2008 02:38:21 +0800
From: Yu Zhao <yu.zhao@...el.com>
To: "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>
Cc: "achiang@...com" <achiang@...com>,
"bjorn.helgaas@...com" <bjorn.helgaas@...com>,
"grundler@...isc-linux.org" <grundler@...isc-linux.org>,
"greg@...ah.com" <greg@...ah.com>, "mingo@...e.hu" <mingo@...e.hu>,
"jbarnes@...tuousgeek.org" <jbarnes@...tuousgeek.org>,
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"horms@...ge.net.au" <horms@...ge.net.au>,
"yinghai@...nel.org" <yinghai@...nel.org>,
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"kvm@...r.kernel.org" <kvm@...r.kernel.org>,
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<virtualization@...ts.linux-foundation.org>
Subject: [PATCH 1/13 v7] 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@...el.com>
---
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 9de87e9..1449884 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -162,13 +162,13 @@ 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 */
--
1.5.6.4
--
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