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| author | Jon Mason <jdmason@kudzu.us> | 2011-06-30 10:42:47 -0500 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-07-06 15:05:41 -0400 |
| commit | 68dd49ef907f92127aabb30b3368b80eb0ffb459 (patch) | |
| tree | 94517dca5fed65a13e951063c8d9e4cc605d1d3c | |
| parent | 333c0dbfcd7847d02d75a2d2a80d2f5e1cdc51dc (diff) | |
| download | blackbird-op-linux-68dd49ef907f92127aabb30b3368b80eb0ffb459.tar.gz blackbird-op-linux-68dd49ef907f92127aabb30b3368b80eb0ffb459.zip | |
iwlwifi: remove unnecessary read of PCI_CAP_ID_EXP
The PCIE capability offset is saved during PCI bus walking. It will
remove an unnecessary search in the PCI configuration space if this
value is referenced instead of reacquiring it.
Signed-off-by: Jon Mason <jdmason@kudzu.us>
Acked-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-pci.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-pci.c b/drivers/net/wireless/iwlwifi/iwl-pci.c index 2c26b42bd158..74911348a2ee 100644 --- a/drivers/net/wireless/iwlwifi/iwl-pci.c +++ b/drivers/net/wireless/iwlwifi/iwl-pci.c @@ -94,7 +94,7 @@ static u16 iwl_pciexp_link_ctrl(struct iwl_bus *bus) u16 pci_lnk_ctl; struct pci_dev *pci_dev = IWL_BUS_GET_PCI_DEV(bus); - pos = pci_find_capability(pci_dev, PCI_CAP_ID_EXP); + pos = pci_pcie_cap(pci_dev); pci_read_config_word(pci_dev, pos + PCI_EXP_LNKCTL, &pci_lnk_ctl); return pci_lnk_ctl; } |
