2 * Copyright 2006-2007, Michael Ellerman, IBM Corporation.
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version
7 * 2 of the License, or (at your option) any later version.
10 #include <linux/kernel.h>
11 #include <linux/msi.h>
12 #include <linux/pci.h>
14 #include <asm/machdep.h>
16 int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
18 struct pci_controller *phb = pci_bus_to_host(dev->bus);
20 if (!phb->controller_ops.setup_msi_irqs ||
21 !phb->controller_ops.teardown_msi_irqs) {
22 pr_debug("msi: Platform doesn't provide MSI callbacks.\n");
26 /* PowerPC doesn't support multiple MSI yet */
27 if (type == PCI_CAP_ID_MSI && nvec > 1)
30 return phb->controller_ops.setup_msi_irqs(dev, nvec, type);
33 void arch_teardown_msi_irqs(struct pci_dev *dev)
35 struct pci_controller *phb = pci_bus_to_host(dev->bus);
37 phb->controller_ops.teardown_msi_irqs(dev);