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PCI: use pci_pcie_cap() in pci core

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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>
This commit is contained in:
Kenji Kaneshige
2009-11-11 14:30:56 +09:00
committed by Jesse Barnes
parent d7b7e60526
commit 06a1cbafb2
2 changed files with 8 additions and 8 deletions
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drivers/pci/probe.c
+2 -2
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@@ -703,7 +703,7 @@ static void set_pcie_hotplug_bridge(struct pci_dev *pdev)
u16 reg16;
u32 reg32;
pos = pci_find_capability(pdev, PCI_CAP_ID_EXP);
pos = pci_pcie_cap(pdev);
if (!pos)
return;
pci_read_config_word(pdev, pos + PCI_EXP_FLAGS, &reg16);
@@ -920,7 +920,7 @@ int pci_cfg_space_size(struct pci_dev *dev)
if (class == PCI_CLASS_BRIDGE_HOST)
return pci_cfg_space_size_ext(dev);
pos = pci_find_capability(dev, PCI_CAP_ID_EXP);
pos = pci_pcie_cap(dev);
if (!pos) {
pos = pci_find_capability(dev, PCI_CAP_ID_PCIX);
if (!pos)