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| author | Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> | 2009-11-11 14:30:56 +0900 |
|---|---|---|
| committer | Jesse Barnes <jbarnes@virtuousgeek.org> | 2009-11-24 15:25:12 -0800 |
| commit | 06a1cbafb253c4c60d6a54a994887f5fbceabcc0 (patch) | |
| tree | e534c369ab1878a5d86996c29d629d1f5d8f9f75 /drivers/pci/pci.c | |
| parent | d7b7e60526d54da4c94afe5f137714cee7d05c41 (diff) | |
| download | linux-3.10-06a1cbafb253c4c60d6a54a994887f5fbceabcc0.tar.gz linux-3.10-06a1cbafb253c4c60d6a54a994887f5fbceabcc0.tar.bz2 linux-3.10-06a1cbafb253c4c60d6a54a994887f5fbceabcc0.zip | |
PCI: use pci_pcie_cap() in pci core
Use pcie_cap() instead of pci_find_capability() to get PCIe capability
offset in PCI core code. This avoids unnecessary search in PCI
configuration space.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'drivers/pci/pci.c')
| -rw-r--r-- | drivers/pci/pci.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index e3145f02027..bbc82f08d1c 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -741,8 +741,8 @@ static int pci_save_pcie_state(struct pci_dev *dev) u16 *cap; u16 flags; - pos = pci_find_capability(dev, PCI_CAP_ID_EXP); - if (pos <= 0) + pos = pci_pcie_cap(dev); + if (!pos) return 0; save_state = pci_find_saved_cap(dev, PCI_CAP_ID_EXP); @@ -1535,7 +1535,7 @@ void pci_enable_ari(struct pci_dev *dev) if (!bridge || !bridge->is_pcie) return; - pos = pci_find_capability(bridge, PCI_CAP_ID_EXP); + pos = pci_pcie_cap(bridge); if (!pos) return; @@ -2140,7 +2140,7 @@ static int pcie_flr(struct pci_dev *dev, int probe) u32 cap; u16 status; - pos = pci_find_capability(dev, PCI_CAP_ID_EXP); + pos = pci_pcie_cap(dev); if (!pos) return -ENOTTY; @@ -2489,7 +2489,7 @@ int pcie_get_readrq(struct pci_dev *dev) int ret, cap; u16 ctl; - cap = pci_find_capability(dev, PCI_CAP_ID_EXP); + cap = pci_pcie_cap(dev); if (!cap) return -EINVAL; @@ -2519,7 +2519,7 @@ int pcie_set_readrq(struct pci_dev *dev, int rq) v = (ffs(rq) - 8) << 12; - cap = pci_find_capability(dev, PCI_CAP_ID_EXP); + cap = pci_pcie_cap(dev); if (!cap) goto out; |