- if (pci_find_capability(dev, PCI_CAP_ID_EXP)) {
- /* PCI Express Endpoint device detected */
- pci_intx(dev, 1); /* enable intx */
- }
-}
-
-static int msi_lookup_irq(struct pci_dev *dev, int type)
-{
- int irq;
- unsigned long flags;
-
- spin_lock_irqsave(&msi_lock, flags);
- for (irq = 0; irq < NR_IRQS; irq++) {
- if (!msi_desc[irq] || msi_desc[irq]->dev != dev ||
- msi_desc[irq]->msi_attrib.type != type ||
- msi_desc[irq]->msi_attrib.default_irq != dev->irq)
- continue;
- spin_unlock_irqrestore(&msi_lock, flags);
- /* This pre-assigned MSI irq for this device
- already exits. Override dev->irq with this irq */
- dev->irq = irq;
- return 0;
- }
- spin_unlock_irqrestore(&msi_lock, flags);