pci_enable_device
r = pci_enable_device(dev->pdev);
ret = pci_enable_device(pdev);
ret = pci_enable_device(pdev);
ret = pci_enable_device(pdev);
ret = pci_enable_device(pdev);
if (pci_enable_device(pdev))
if (pci_enable_device(dev->pdev)) {
ret = pci_enable_device(pdev);