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iwlwifi: Use PCI Express Capability accessors

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Use PCI Express Capability access functions to simplify iwlwifi driver.

[bhelgaas: split iwlegacy, iwlwifi, rtlwifi into separate patches]
Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Jiang Liu 2012-08-20 14:17:06 -06:00 committed by Bjorn Helgaas
parent 4460eb5292
commit a7238b37ce
1 changed files with 2 additions and 5 deletions
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7
drivers/net/wireless/iwlwifi/pcie/trans.c
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@ -675,13 +675,10 @@ static void iwl_set_pwr_vmain(struct iwl_trans *trans)
static u16 iwl_pciexp_link_ctrl(struct iwl_trans *trans)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
int pos;
u16 pci_lnk_ctl;
struct pci_dev *pci_dev = trans_pcie->pci_dev;
pos = pci_pcie_cap(pci_dev);
pci_read_config_word(pci_dev, pos + PCI_EXP_LNKCTL, &pci_lnk_ctl);
pcie_capability_read_word(trans_pcie->pci_dev, PCI_EXP_LNKCTL,
&pci_lnk_ctl);
return pci_lnk_ctl;
}