PCI_EXP_LNKCTL
pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL, &bridge_cfg);
pci_read_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL, &gpu_cfg);
pci_write_config_word(root, bridge_pos + PCI_EXP_LNKCTL, tmp16);
pci_write_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL, tmp16);
pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL, &bridge_cfg);
pci_read_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL, &gpu_cfg);
pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL, &tmp16);
pci_write_config_word(root, bridge_pos + PCI_EXP_LNKCTL, tmp16);
pci_read_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL, &tmp16);
pci_write_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL, tmp16);
case PCI_EXP_LNKCTL:
pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL, &bridge_cfg);
pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL, &gpu_cfg);
pci_write_config_word(root, bridge_pos + PCI_EXP_LNKCTL, tmp16);
pci_write_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL, tmp16);
pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL, &bridge_cfg);
pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL, &gpu_cfg);
pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL, &tmp16);
pci_write_config_word(root, bridge_pos + PCI_EXP_LNKCTL, tmp16);
pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL, &tmp16);
pci_write_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL, tmp16);
pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL, &bridge_cfg);
pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL, &gpu_cfg);
pci_write_config_word(root, bridge_pos + PCI_EXP_LNKCTL, tmp16);
pci_write_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL, tmp16);
pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL, &bridge_cfg);
pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL, &gpu_cfg);
pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL, &tmp16);
pci_write_config_word(root, bridge_pos + PCI_EXP_LNKCTL, tmp16);
pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL, &tmp16);
pci_write_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL, tmp16);