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authorJon Mason <jdmason@kudzu.us>2011-06-30 10:42:47 -0500
committerJohn W. Linville <linville@tuxdriver.com>2011-07-06 15:05:41 -0400
commit68dd49ef907f92127aabb30b3368b80eb0ffb459 (patch)
tree94517dca5fed65a13e951063c8d9e4cc605d1d3c /drivers
parent333c0dbfcd7847d02d75a2d2a80d2f5e1cdc51dc (diff)
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-pci.c2
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;
}