int
pci_enable_device(struct pci_dev *dev)
{
- int err = pci_enable_device_bars(dev, (1 << PCI_NUM_RESOURCES) - 1);
+ int err;
+
+ if (dev->is_enabled)
+ return 0;
+
+ err = pci_enable_device_bars(dev, (1 << PCI_NUM_RESOURCES) - 1);
if (err)
return err;
pci_fixup_device(pci_fixup_enable, dev);
pci_disable_device(struct pci_dev *dev)
{
u16 pci_command;
-
+
+ if (dev->msi_enabled)
+ disable_msi_mode(dev, pci_find_capability(dev, PCI_CAP_ID_MSI),
+ PCI_CAP_ID_MSI);
+ if (dev->msix_enabled)
+ disable_msi_mode(dev, pci_find_capability(dev, PCI_CAP_ID_MSI),
+ PCI_CAP_ID_MSIX);
+
pci_read_config_word(dev, PCI_COMMAND, &pci_command);
if (pci_command & PCI_COMMAND_MASTER) {
pci_command &= ~PCI_COMMAND_MASTER;