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[17/19] iwlegacy: remove unnecessary read of PCI_CAP_ID_EXP

Message ID 1309196934-16314-1-git-send-email-jdmason@kudzu.us (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Jon Mason June 27, 2011, 5:48 p.m. UTC
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>
---
 drivers/net/wireless/iwlegacy/iwl-core.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
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Patch

diff --git a/drivers/net/wireless/iwlegacy/iwl-core.h b/drivers/net/wireless/iwlegacy/iwl-core.h
index a2de7e9..84da793 100644
--- a/drivers/net/wireless/iwlegacy/iwl-core.h
+++ b/drivers/net/wireless/iwlegacy/iwl-core.h
@@ -484,7 +484,7 @@  static inline u16 iwl_legacy_pcie_link_ctl(struct iwl_priv *priv)
 {
 	int pos;
 	u16 pci_lnk_ctl;
-	pos = pci_find_capability(priv->pci_dev, PCI_CAP_ID_EXP);
+	pos = pci_pcie_cap(priv->pci_dev);
 	pci_read_config_word(priv->pci_dev, pos + PCI_EXP_LNKCTL, &pci_lnk_ctl);
 	return pci_lnk_ctl;
 }