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PCI/core: Use PCI Express Capability accessors

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Use PCI Express Capability access functions to simplify core.

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Jiang Liu
2012-07-24 17:20:06 +08:00
committed by Bjorn Helgaas
parent 8c0d3a02c1
commit 59875ae489
3 changed files with 66 additions and 274 deletions
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9
drivers/pci/quirks.c
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@@ -3081,17 +3081,10 @@ static int reset_intel_generic_dev(struct pci_dev *dev, int probe)
static int reset_intel_82599_sfp_virtfn(struct pci_dev *dev, int probe)
{
int pos;
pos = pci_find_capability(dev, PCI_CAP_ID_EXP);
if (!pos)
return -ENOTTY;
if (probe)
return 0;
pci_write_config_word(dev, pos + PCI_EXP_DEVCTL,
PCI_EXP_DEVCTL_BCR_FLR);
pcie_capability_write_word(dev, PCI_EXP_DEVCTL, PCI_EXP_DEVCTL_BCR_FLR);
msleep(100);
return 0;