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authorJiang Liu <jiang.liu@huawei.com>2012-08-20 23:51:20 +0400
committerBjorn Helgaas <bhelgaas@google.com>2012-08-23 20:11:14 +0400
commitc772b44e32ea8255e5d0ffaac0a7b76043b14565 (patch)
treea4ca888bf061dd2a5a28389914841c1db0382767 /drivers/net/ethernet/chelsio
parent9503e255763da2e6b5b0d0d9dfa104e1ca8d035a (diff)
downloadlinux-c772b44e32ea8255e5d0ffaac0a7b76043b14565.tar.xz
cxgb3: Use PCI Express Capability accessors
Use PCI Express Capability access functions to simplify cxgb3 driver. [bhelgaas: split cxgb3 and cxgb4 into separate patches] Signed-off-by: Jiang Liu <jiang.liu@huawei.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/net/ethernet/chelsio')
-rw-r--r--drivers/net/ethernet/chelsio/cxgb3/t3_hw.c22
1 files changed, 8 insertions, 14 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb3/t3_hw.c b/drivers/net/ethernet/chelsio/cxgb3/t3_hw.c
index bff8a3cdd3df..aef45d3113ba 100644
--- a/drivers/net/ethernet/chelsio/cxgb3/t3_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb3/t3_hw.c
@@ -3289,22 +3289,18 @@ static void config_pcie(struct adapter *adap)
unsigned int log2_width, pldsize;
unsigned int fst_trn_rx, fst_trn_tx, acklat, rpllmt;
- pci_read_config_word(adap->pdev,
- adap->pdev->pcie_cap + PCI_EXP_DEVCTL,
- &val);
+ pcie_capability_read_word(adap->pdev, PCI_EXP_DEVCTL, &val);
pldsize = (val & PCI_EXP_DEVCTL_PAYLOAD) >> 5;
pci_read_config_word(adap->pdev, 0x2, &devid);
if (devid == 0x37) {
- pci_write_config_word(adap->pdev,
- adap->pdev->pcie_cap + PCI_EXP_DEVCTL,
- val & ~PCI_EXP_DEVCTL_READRQ &
- ~PCI_EXP_DEVCTL_PAYLOAD);
+ pcie_capability_write_word(adap->pdev, PCI_EXP_DEVCTL,
+ val & ~PCI_EXP_DEVCTL_READRQ &
+ ~PCI_EXP_DEVCTL_PAYLOAD);
pldsize = 0;
}
- pci_read_config_word(adap->pdev, adap->pdev->pcie_cap + PCI_EXP_LNKCTL,
- &val);
+ pcie_capability_read_word(adap->pdev, PCI_EXP_LNKCTL, &val);
fst_trn_tx = G_NUMFSTTRNSEQ(t3_read_reg(adap, A_PCIE_PEX_CTRL0));
fst_trn_rx = adap->params.rev == 0 ? fst_trn_tx :
@@ -3425,15 +3421,13 @@ out_err:
static void get_pci_mode(struct adapter *adapter, struct pci_params *p)
{
static unsigned short speed_map[] = { 33, 66, 100, 133 };
- u32 pci_mode, pcie_cap;
+ u32 pci_mode;
- pcie_cap = pci_pcie_cap(adapter->pdev);
- if (pcie_cap) {
+ if (pci_is_pcie(adapter->pdev)) {
u16 val;
p->variant = PCI_VARIANT_PCIE;
- pci_read_config_word(adapter->pdev, pcie_cap + PCI_EXP_LNKSTA,
- &val);
+ pcie_capability_read_word(adapter->pdev, PCI_EXP_LNKSTA, &val);
p->width = (val >> 4) & 0x3f;
return;
}