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bnx2x: Use PCI Express Capability accessors

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Use PCI Express Capability access functions to simplify bnx2x driver.

[bhelgaas: split bnx2x and tg3 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 13:26:51 -06:00 committed by Bjorn Helgaas
parent 8200bc72a8
commit 2a80eebcbf
1 changed files with 5 additions and 20 deletions
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25
drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
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@ -1162,14 +1162,9 @@ static int bnx2x_send_final_clnup(struct bnx2x *bp, u8 clnup_func,
static u8 bnx2x_is_pcie_pending(struct pci_dev *dev)
{
int pos;
u16 status;
pos = pci_pcie_cap(dev);
if (!pos)
return false;
pci_read_config_word(dev, pos + PCI_EXP_DEVSTA, &status);
pcie_capability_read_word(dev, PCI_EXP_DEVSTA, &status);
return status & PCI_EXP_DEVSTA_TRPND;
}
@ -6149,8 +6144,7 @@ static void bnx2x_init_pxp(struct bnx2x *bp)
u16 devctl;
int r_order, w_order;
pci_read_config_word(bp->pdev,
pci_pcie_cap(bp->pdev) + PCI_EXP_DEVCTL, &devctl);
pcie_capability_read_word(bp->pdev, PCI_EXP_DEVCTL, &devctl);
DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
if (bp->mrrs == -1)
@ -9386,15 +9380,10 @@ static int __devinit bnx2x_prev_mark_path(struct bnx2x *bp)
static bool __devinit bnx2x_can_flr(struct bnx2x *bp)
{
int pos;
u32 cap;
struct pci_dev *dev = bp->pdev;
pos = pci_pcie_cap(dev);
if (!pos)
return false;
pci_read_config_dword(dev, pos + PCI_EXP_DEVCAP, &cap);
pcie_capability_read_dword(dev, PCI_EXP_DEVCAP, &cap);
if (!(cap & PCI_EXP_DEVCAP_FLR))
return false;
@ -9403,7 +9392,7 @@ static bool __devinit bnx2x_can_flr(struct bnx2x *bp)
static int __devinit bnx2x_do_flr(struct bnx2x *bp)
{
int i, pos;
int i;
u16 status;
struct pci_dev *dev = bp->pdev;
@ -9411,16 +9400,12 @@ static int __devinit bnx2x_do_flr(struct bnx2x *bp)
if (bnx2x_can_flr(bp))
return -ENOTTY;
pos = pci_pcie_cap(dev);
if (!pos)
return -ENOTTY;
/* Wait for Transaction Pending bit clean */
for (i = 0; i < 4; i++) {
if (i)
msleep((1 << (i - 1)) * 100);
pci_read_config_word(dev, pos + PCI_EXP_DEVSTA, &status);
pcie_capability_read_word(dev, PCI_EXP_DEVSTA, &status);
if (!(status & PCI_EXP_DEVSTA_TRPND))
goto clear;
}