PCI: introduce pci_pcie_cap()

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Introduce pci_pcie_cap() API that returns saved PCIe capability offset
(currently it is saved in 'pcie_cap' field in the struct PCI dev).
Using pci_pcie_cap() instead of pci_find_capability() 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>

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Kenji Kaneshige 2009-11-11 14:29:54 +09:00 • committed by Jesse Barnes

parent 8c8def26bf

commit d7b7e60526

1 changed files with 16 additions and 0 deletions

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include/linux/pci.h

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