From: Jon Mason Date: Mon, 27 Jun 2011 17:48:54 +0000 (-0500) Subject: iwlegacy: remove unnecessary read of PCI_CAP_ID_EXP X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=f05b691150af4cfccbfba6cc708b9a58b9216903;p=~shefty%2Frdma-dev.git iwlegacy: 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 Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/iwlegacy/iwl-core.h b/drivers/net/wireless/iwlegacy/iwl-core.h index a2de7e99170..84da79376ef 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; }