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_msi_check_device(struct pci_dev* dev, int nvec, int type)
18 if (!ppc_md.setup_msi_irqs || !ppc_md.teardown_msi_irqs) {
19 pr_debug("msi: Platform doesn't provide MSI callbacks.\n");
23 /* PowerPC doesn't support multiple MSI yet */
24 if (type == PCI_CAP_ID_MSI && nvec > 1)
27 if (ppc_md.msi_check_device) {
28 pr_debug("msi: Using platform check routine.\n");
29 return ppc_md.msi_check_device(dev, nvec, type);
35 int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
37 return ppc_md.setup_msi_irqs(dev, nvec, type);
40 void arch_teardown_msi_irqs(struct pci_dev *dev)
42 ppc_md.teardown_msi_irqs(dev);